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huntergdavis/Quick-Grapher - GitHub
open-source open-science html5 library visualization GitHub
january 2012 by Vaguery

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[1110.4876] REBOUND: An open-source multi-purpose N-body code for collisional dynamics

REBOUND is a new multi-purpose N-body code which is freely available under an open-source license. It was designed for collisional dynamics such as planetary rings but can also solve the classical N-body problem. It is highly modular and can be customized easily to work on a wide variety of different problems in astrophysics and beyond.

simulation computational-science astrophysics numerical-methods simulator library open-source nudge-targets
january 2012 by Vaguery

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Multivalent Tools: PDF Impose

"Imposition arranges one or more existing pages onto another page. In its simplest form, it's n-up, such as shrinking 4 pages onto 1 to save paper when printing. It's easy to arrange pages and rotations for booklets. More sophisticated use of the tool can rearrange and rotate pages to produce complex layouts, as for folded brochures."

typesetting printing utilities open-source
june 2011 by Vaguery

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Groklaw - Red Hat Makes History With Patent Settlement - Compatible with GPLv3

"You know what this means? It means that those who claim the GPL isolates itself from standards bodies' IP pledges are wrong. It *is* possible to come up with language that satisfies the GPL and still acknowledges patents, and this is the proof. That means Microsoft could do it for OOXML if it wanted to. So who is isolating whom? Thank you, Red Hat, for innovating again to protect the FOSS community."

open-source patents litigation GPL precedent
june 2011 by Vaguery

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Beat — Dorian Taylor

"I keep underscoring rent be cause its mirror image is patronage (in the modern, commercial sense). The former is a form of excise, the latter is a gift. It equates to people donating their surplus to you because they want you to have it—because they're confident you'll put it to good use. You can use that surplus to do interesting and valuable things. Push too hard, however, and they'll abandon you altogether."

economics business-model disintermediation open-source rent-seeking
may 2011 by Vaguery

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"Big Memory" Company Terracotta Snapped Up by Europe's Fourth Largest Software Company

"In-memory is a hot topic right now, thanks in part to SAP pushing its in-memory analytics platform HANA at Sapphire last week. HANA, however, is not a direct competitor to BigMemory. According to RedMonk co-founder James Governor, competitors include Oracle Coherence, IBM eXtreme Scale, Hazelcast and Gigaspaces.

"Indeed distributed cache is well known enough to be seen as a 'competitor' to NoSQL approaches," Governor wrote. "Both take load off the database - less database work generally means greater scalability""

software-architecture distributed-processing data-analysis database open-source
may 2011 by Vaguery

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How Open Source Projects Can Prepare Students for Better Careers

Working within a FOSS project community brings new benefits. First, there’s the real-world experience of participating in a distributed team. More and more of the world’s software projects are developed in highly connected developer communities around the globe, regardless of whether they are public and liberally licensed or closed and proprietary. The communications and social skills learned from an experience like this will be essential.

Development skills will also be honed. This is achieved through constructive feedback and the experience of working within a mature, well-run FOSS project team. This experience provides version control, configuration management tools, regular automated builds, and testing and packaging issues. These are essential professional software development skills that are seldom well-taught in formal school settings.

open-source business-culture training collaboration business-school gift-economy-has-its-nose-under-the-tent
may 2011 by Vaguery

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Neural Ensemble News: Open Research Computation: a new journal for publications describing scientific software

"The goals of the journal are to promote sharing of high-quality scientific software (e.g. there must be a test suite with 100% code coverage), promote discussion of best practice in research software development, and to enable researchers to be rewarded through publication for the time spent on developing software tools for others to use."

agility scientific-computing software-development open-source journals
december 2010 by Vaguery

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Welcome - OpenCV Wiki

"OpenCV (Open Source Computer Vision) is a library of programming functions for real time computer vision.

OpenCV is released under a BSD license, it is free for both academic and commercial use.
The library has >500 optimized algorithms (see figure below). It is used around the world, has >2M downloads and >40K people in the user group. Uses range from interactive art, to mine inspection, stitching maps on the web on through advanced robotics."

image-processing computer-vision library open-source nudge scientific-computing
august 2010 by Vaguery

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Fair value on commons-based intellectual property assets: Lessons of an estimation over Linux kernel. - Munich RePEc Personal Archive

"Actual accounting systems are based on transactions. But in the current, knowledge-based economy much of the value creation precedes, sometimes by years, the occurrence of transactions. Until then, the accounting system does not register any value created in contrast to the investments made into R&D, which are fully expensed. This difference, between how the accounting system is handling value created and is handling investments into value creation, is the major reason for the growing disconnect between market values and financial information."

open-source accounting business-culture economics finance
july 2010 by Vaguery

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[1006.0764] General Purpose Convolution Algorithm in S4-Classes by means of FFT

"Object orientation provides a flexible framework for the implementation of the convolution of arbitrary distributions of real-valued random variables.
We discuss an algorithm which is based on the Discrete Fourier Transformation and its fast computability via the Fast Fourier Transformation. It directly applies to lattice-supported distributions. In the case of continuous distributions an additional discretization to a linear lattice is necessary and the resulting lattice-supported distributions are suitably smoothed after convolution."

statistics R library probability-theory libraries open-source nudge
june 2010 by Vaguery

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[1006.0031] A FLOSS Visual EM Simulator for 3D Antennas

"This paper introduces the FLOSS Free Libre Open Source Software [VEMSA3D], a contraction of "Visual Electromagnetic Simulator for 3D Antennas", which are geometrically modeled, either exactly or approximately, as thin wire polygonal structures; presents its GUI Graphical User Interface capabilities, in interactive mode and/or in handling suitable formed antenna data files; demonstrates the effectiveness of its use in a number of practical antenna applications, with direct comparison to experimental measurements and other freeware results; and provides the inexperienced user with a specific list of instructions to successfully build the given source code by using only freely available IDE Integrated Development Environment tools-including a cross-platform one.…"

antennas radio engineering-design simulation FLOSS open-source modeling nudge-targets
june 2010 by Vaguery

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FOSS Trading: Introducing IBrokers (and Jeff Ryan)

"I'll start by highlighting that while all the software in this post is indeed free (true to FOSS), an account with Interactive Brokers is needed to make use of it. For those not familiar with IB, they offer a trading platform that excels on numerous fronts but is most appealing to those of us who trade algorithmically. IB makes available a rather comprehensive API that makes data access and trade execution entirely possible programmatically via a handful of "supported" languages. These include Java (the language of the platform), C#, VBA and even Excel. The also have a POSIX compliant C++ version for those who enjoy C++ but dislike Windows.

For those who dislike Windows and C++, the community of IB users have a few "non-official" options. They include some nice implementations in C, Python (2), Matlab, and something even more abstracted in the trading-shim. While all well and good, there was one missing: R.…"

trading financial-engineering services service-providers open-source FOSS FLOSS
may 2010 by Vaguery

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gource - Project Hosting on Google Code

"Software projects are displayed by Gource as an animated tree with the root directory of the project at its centre. Directories appear as branches with files as leaves. Developers can be seen working on the tree at the times they contributed to the project."

software-development project-management open-source visualization want
may 2010 by Vaguery

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R Programming - Wikibooks, collection of open-content textbooks

"This is a guide to the R programming language."

R R-language documentation learning open-source statistics programming
may 2010 by Vaguery

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Groklaw - The GPL is a License, Not a Contract, Which is Why the Sky Isn't Falling

"Of course, you could avoid all such troubles in the first place by not stealing GPL code to begin with. But if something happens inadvertently and some rogue employee sneaks some GPL code into your proprietary product, the sky isn't falling. It's a manageable risk and a solvable problem. No one wants to steal your code in retaliation or force it to be something you don't want it to be. The GPL is unequivocally a license, and that's the truth."

open-source licensing license-agreement law FUD explanation
april 2010 by Vaguery

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A rebase-based workflow | unethical blogger

"Creating concise commits is probably the most important reason to use rebase, when working in a topic branch I will typically commit every 20-40 minutes. In order to not break my flow, the commit messages will typically be brief and cover only a few lines of changes, atomic commits are great when writing code but they're lousy at informing other developers about the changes.…"

git project-management distributed-teams open-source version-control workflow
april 2010 by Vaguery

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R for Mac OS X FAQ

"The requirements for building R vary, depending whether the build machine is an Intel-based or PowerPC-based Mac and whether universal build is desired. The following description shows the minimum requirements for building R.…"

R rsRuby sysadmin open-source instructions libraries statistics nudge
march 2010 by Vaguery

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MapTiler - Map Tile Cutter. Overlay Generator for Google Maps, Google Earth (KML SuperOverlay).

"MapTiler is graphical application for online map publishing. Your map can create overlay of standard maps like Google Maps, Yahoo Maps, Microsoft VirtualEarth or OpenStreetMap and can be also visualized in 3D form by Google Earth. Only thing you have to do for publishing the map is to upload the automatically generated directory with tiles into your webserver."

via:mahatm API maps Google-maps tiling visualization tool generator open-source
march 2010 by Vaguery

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The Determinants of Individual Performance and Collective Value in Private-Collective Software Innovation — HBS Working Knowledge

"We investigate if the actions by individuals in creating effective new innovations are aligned with the reuse of those innovations by others in a private-collective software development context. …"

open-source collaboration whuffie-culture software-development social-norms business-culture
march 2010 by Vaguery

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AI4R :: Artificial Intelligence for Ruby

"AI4R is a collection of ruby algorithms implementations, covering several Artificial intelligence fields, and simple practical examples using them. A Ruby playground for AI researchers. It implements:..."

artificial-intelligence clustering Ruby AI algorithms library open-source languishing?
march 2010 by Vaguery

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News — PyMVPA Home

"PyMVPA is a Python module intended to ease pattern classification analyses of large datasets. In the neuroimaging contexts such analysis techniques are also known as decoding or MVPA analysis. PyMVPA provides high-level abstraction of typical processing steps and a number of implementations of some popular algorithms. While it is not limited to the neuroimaging domain, it is eminently suited for such datasets. PyMVPA is truly free software (in every respect) and additionally requires nothing but free-software to run."

data-analysis Python machine-learning open-source free visualization statistics exploratory-data-analysis
march 2010 by Vaguery

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Make: Online : Open source hardware 2009 - The definitive guide to open source hardware projects in 2009

"Welcome to definitive guide to open source hardware projects in 2009. First up - What is open source hardware? These are projects in which the creators have decided to completely publish all the source, schematics, firmware, software, bill of materials, parts list, drawings and "board" files to recreate the hardware - they also allow any use, including commercial. Similar to open source software like Linux, but this hardware centric."

open-source open-hardware makers engineering engineering-design hobbies reference opensource DIY electronics howto
december 2009 by Vaguery

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ggplot. had.co.nz

"ggplot2 is a plotting system for R, based on the grammar of graphics, which tries to take the good parts of base and lattice graphics and none of the bad parts. It takes care of many of the fiddly details that make plotting a hassle (like drawing legends) as well as providing a powerful model of graphics that makes it easy to produce complex multi-layered graphics."

visualization data-analysis exploratory-data-analysis statistics graphics graphs pretty software open-source documentation ggplot2 R
november 2009 by Vaguery

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Open Design Projects

"Extensive research has been done to analyze the phenomenon of open source software development from various perspectives. By contrast little is known about open source development of tangible objects, so–called open design, so far. Until recently, limitations to the availability of successful empirical examples of this ‘new innovation model’ outside software may have been a key reason for this gap.

This paper contributes to the literature on the open source mode of product development by providing a quantitative study (N = 85) of open design projects. Our goal is to explore the landscape of open source development in the world of atoms, to analyze project characteristics, structures, and success, and to investigate similarities and dissimilarities to open source software development."

open-source openness open-design engineering collaboration industrial-design intellectual-property community overview
november 2009 by Vaguery

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Open-source software for Operations Research and Industrial Engineering

"This page contains links to some of the most useful free software and open-source software for operations research and industrial engineering."

operations-research open-source software libraries engineering optimization tools
november 2009 by Vaguery

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Open source design and the OpenOfficeMouse | FactoryCity

"What I worry about, however, is that pockets of the open source community continue to largely be defined and driven by complexity, exclusivity, technocracy, and machismo. While I do support independence and freedom of choice in technology — and therefore open source — I prefer to do so inclusively, with an understanding that there are many more people who are not yet well served by technology because appropriate technology has not been made more usable for them. The beautiful, usable technology in the marketplace need not be the exclusive domain of the proprietary — but so far I’ve see little indication that open source developers take seriously the need for simpler, easier, and more intuitive future-forward interfaces. Perhaps I’m wrong or just uninformed, but so long as products like the OpenOfficeMouse continue to characterize the norm in open source design, I’m not likely going to be able to soon recommend open source solutions to anyone but the most advanced and privileged users.

open-source design-autism industrial-design design-by-committee contingent usability criticism community geek-cultural-assumptions
november 2009 by Vaguery

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R Language is optimized, validated and supported by REvolution Computing - Predictive analytics for large data analysis problems

"REvolution Computing offers open source products and services for high performance analytics, including REvolution R Enterprise which delivers 100% R and more—optimized, validated and supported."

R open-source business-model programming statistics visualization mathematics consulting standard-setting-play
november 2009 by Vaguery

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Introducing Resque - GitHub

"It boils down to this: GitHub is a warzone. We are constantly overloaded and rely very, very heavily on our queue. If it's backed up, we need to know why. We need to know if we can fix it. We need workers to not get stuck and we need to know when they are stuck.

We need to see what the queue is doing. We need to see what jobs have failed. We need stats: how long are workers living, how many jobs are they processing, how many jobs have been processed total, how many errors have there been, are errors being repeated, did a deploy introduce a new one?

We need a background job system as serious as our web framework. I highly recommend DelayedJob to anyone whose site is not 50% background work.

But GitHub is 50% background work."

parallel grid-computing distributed-processing GitHub Ruby process-control system-administration library open-source
november 2009 by Vaguery

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Patent Law Blog (Patently-O): Abandoning software patents?

"This is a degree of uncertainty that can't be fixed by changes in evaluation standards.

As for innovation, lists and lists of research suggests that patents reduce software innovation.

There was a time when if you wrote something, you owned it, you could sell it, you could give it away. It could be put in the accounts and it could be used as the base for collaboration. Now, ownership of a piece of software is hopeful speculation. There is no reliable way to have a settled expectation regarding the boundaries or the extent to which you own a piece of software. This uncertainty, and this unfair regulation is what the Supreme Court has the chance to rid us of by giving the USPTO a reliable tool for excluding software ideas from patentable subject matter."

patents intellectual-property Bilski innovation protectionism open-source licensing Supreme-Court
november 2009 by Vaguery

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R: graph vignettes
R statistics graph-theory library computing open-source
october 2009 by Vaguery

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Computational Infrastructure for Operations Research Home Page

"The Computational Infrastructure for Operations Research (COIN-OR**, or simply COIN) project is an initiative to spur the development of open-source software for the operations research community."

operations-research open-source software applied-mathematics library
september 2009 by Vaguery

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Dr. Ampl

"When modeled in the AMPL modeling language, optimization problems may be examined by a set of tools found in the AMPL Library. Dr. Ampl is a meta solver which, by use of the AMPL Library, dissects such models, obtains statistics on their data, is able to symbolically prove or numerically disprove convexity of the functions involved and provides aid in the decision for an appropriate solver. A problem is associated with a number of appropriate solvers available on the NEOS Server for Optimization by means of relational database."

optimization open-source mathematics linear-programming
september 2009 by Vaguery

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Simulations in Physics

"We are pleased to announce the publication of the third edition of our text, Introduction to Computer Simulation Methods by Harvey Gould, Jan Tobochnik, and Wolfgang Christian, Addison-Wesley (2006). The text introduces Java programming by example in the context of learning physics. It contains many novel applications, is accessible to a wide range of readers, develops good programming habits, and encourages student experimentation. Our goal is to teach students enough tools so that they can use computer simulations as a method of discovery in physics."

via:arsyed physics simulation programming textbooks open-source
september 2009 by Vaguery

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Open-source camera could revolutionize photography

"If the technology catches on, camera performance will be no longer be limited by the software that comes pre-installed by the manufacturer. Virtually all the features of the Stanford camera – focus, exposure, shutter speed, flash, etc. – are at the command of software that can be created by inspired programmers anywhere. “The premise of the project is to build a camera that is open source,” said computer science professor Marc Levoy."

open-source photography technology hacking hardware invention cameras everything-a-platform
september 2009 by Vaguery

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Petabytes on a budget: How to build cheap cloud storage | Backblaze Blog

"Finally, we thank the thousands of engineers who slaved away for millions of hours to bring us the pod components that are either inexpensive or totally free, such as the Intel Processor, Gigabit Ethernet, ridiculously dense hard drives, Linux, Tomcat, JFS, etc. We realize we’re standing on the shoulders of giants."

design engineering cloud-computing DIY open-source open-hardware data
september 2009 by Vaguery

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The Xapian Project |

"Xapian is a highly adaptable toolkit which allows developers to easily add advanced indexing and search facilities to their own applications. It supports the Probabilistic Information Retrieval model and also supports a rich set of boolean query operators.

If you're after a packaged search engine for your website, you should take a look at Omega: an application we supply built upon Xapian. Unlike most other website search solutions, Xapian's versatility allows you to extend Omega to meet your needs as they grow."

search-engines library open-source
august 2009 by Vaguery

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"Essentials of Metaheuristics"

"About the Book: This is an open set of lecture notes on metaheuristics algorithms, intended for undergraduate students, practitioners, programmers, and other non-experts. It was developed as a series of lecture notes for an undergraduate course I taught at GMU. The chapters are designed to be printable separately if necessary. As it's lecture notes, the topics are short and light on examples and theory. It's best when complementing other texts. With time, I might remedy this."

metaheuristics genetic-programming book open-source open-science creative-commons computer-science search optimization genetic-algorithm stochastic
august 2009 by Vaguery

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thoughtbox

"I think you're logic is backwards. You make it public so that people can refractor the umich-specific parts if that's useful to them. Every OSS project starts out only meeting the specific needs of its creators. You make it public so it can become generally applicable, not make it generally applicable so it can become public."

cultural-norms academia academic-culture open-source collaboration value-divergence FAIL
may 2009 by Vaguery

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ccHost - CC Wiki

"The goal of this project is to spread media content that is licensed under Creative Commons throughout the web in much the same way that weblogs spread CC licensed text."

via:jyew remix creative-commons sharing content-management collaboration software community open-source media freeware opensource
may 2009 by Vaguery

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Main Page - Code4Lib
programming software OCLC open-source
april 2009 by Vaguery

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Ascription is an Anathema to any Enthusiasm › the briar patch

"Dan manages to imply that the problem he encountered can be tagged open-source. Coordinating consistent builds across a tangle of libraries would seem to be hard enough that it would require some orchestration. It’s actually kind of striking how well this works in the loosely inter-project world of open source. Stefano has been known to point out that the friction that rises out of solving this problem creates inter-project social energy that’s extremely valuable. Which I’ll admit to wondering if it’s not a good thing that these problems arise."

open-source cultural-norms standards software-development libraries community the-public-and-its-problems
april 2009 by Vaguery

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Penguicon Science Fiction and Open Source Convention

"Penguicon 7.0 will be May 1 through 3, 2009, at the Crowne Plaza hotel in Romulus, Michigan."

geeks convention science-fiction blogging conferences Detroit Michigan open-source software Linux computers local
april 2009 by Vaguery

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The TAPR Open Hardware License

"The TAPR Open Hardware License ("OHL") provides a framework for hardware projects that is similar to the one used for Open Source software. This isn't as straight-forward as it seems because legal concepts that work well for software (such as copyright and copyleft) don't neatly fit when dealing with hardware products and the documentation used to create them."

business legal law open-source hardware opensource license
april 2009 by Vaguery

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Open Source Hardware Hackers Start P2P Bank | Gadget Lab from Wired.com

"Lenders are offered returns based on a rolling six-month average so dud projects will be offset by sales of profitable ones. It takes just a few deals to strike it big, Huynh and Stack say, and because it is a community that is not just passionate but also knowledgeable, better projects are likely to get funded.

The promise of returns is enough to get former investment banker Andrew de Montille excited.

"I put money in the bank not because I consider it as a charitable investment," says de Montille. "Rather, I am very confident that some of the projects will do well enough to be profitable to the investors.""

via:srose collaboration open-source hardware engineering engineering-design openness intellectual-property business-model investment innovation
march 2009 by Vaguery

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Open Everything - Open Everything

"Open Everything is a global conversation about the art, science and spirit of 'open'. It gathers people using openness to create and improve software, education, media, philanthropy, architecture, neighbourhoods, workplaces and the society we live in: everything. It's about thinking, doing and being open."

openness open-source open-access intellectual-property meeting collaboration community commons conference cooperation events
march 2009 by Vaguery

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50 Successful Open Source Projects That Are Changing Medicine

"Open source healthcare is forging forward quickly on the Internet. But, fast developments often produce many failures. But, many medicinal open source projects that have gained success development. This success shows that open source alone is not the solitary factor in development. Instead, look to great management, public relations, marketing and a sound program that stands up under the scrutiny of a growing number of peer users and, often, patients."

collaboration medicine diagnosis healthcare software open-source
february 2009 by Vaguery

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XQuartz

"The Xquartz project is an open-source effort to develop a version of the X.org X Window System that runs on Mac OS X. Together with supporting libraries and applications, it forms the X11.app that Apple has shipped with OS X since version 10.5."

freetype fontconfig X11 Apple Leopard MacOS open-source update Darwin facepalm
february 2009 by Vaguery

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trek's gitserver-prefpane at master — GitHub
git Mac utility interface open-source system-administration version-control
january 2009 by Vaguery

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The Rewriting of Open Source History - Seeking Alpha

"The open source blogosphere featured two articles the last week of December 2008 that inaccurately draw software-market history timelines from which the authors then inaccurately position the place of open source software in the information technology (IT) market. I doubt if the statements are intentionally misleading; they are most likely the result of ignorance or sloppiness."

open-source history rewriting amusing class-wars
january 2009 by Vaguery

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igraph Reference Manual
graph-theory library Python open-source freeware discrete-mathematics programming R graphs networks
december 2008 by Vaguery

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Maxima, a Computer Algebra System
mathematics symbolic-math platform modeling software open-source algorithms freeware Mathematica LISP
december 2008 by Vaguery

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The Other Half of "Artists Ship"

"The purpose of the committee is presumably to ensure that the company doesn't waste money. And yet the result is that the company pays 10 times as much."

via:nielsen software professionalism decision-making management business-culture open-source agility cultural-norms disintermediation
november 2008 by Vaguery

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Alan’s Kiloblog » GitHub and Git: Sharing Your Code, for What It’s Worth, Without a Begging Entry into Open Source Communities

"With these people, there is nothing more offensive than the fork. You are going to split the community, take away committers. It is heresy. It is a schism.

The nature of open source on the SourceForge model is academia at it’s most petty, because the stakes could not be lower. It is not about the source code, it is about the source code repository and control to access thereof.

GitHub puts an end to this nonsense. I can develop my software and I can use GitHub to publish my software. I don’t have to work within an arbitrary community, but grow support for my software through my own social and professional network."

open-source collaboration control cultural-norms software practice project-management sensibility Mercurial GitHub
november 2008 by Vaguery

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Main Page - Opencam
open-source fabrication manufacturing CAD CAM programming freeware
november 2008 by Vaguery

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To broaden awareness and understanding of Open Access — Open Access Day - October 14, 2008
academia publishers publishing cultural-norms activism holiday open-access copyright open-source library journals event intellectual-property
october 2008 by Vaguery

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Patent Law Blog (Patently-O): Open Source License Conditions Enforceable Through Copyright Law

"In an interesting decision, the CAFC held that open source license conditions are enforceable under the copyright laws. Jacobson's open source license at issue here allowed anyone to use his software so long as his conditions are met (such as making any modified code freely available)."

patents open-source copyright intellectual-property law
september 2008 by Vaguery

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