BioImageXD is a free open source software project for analyzing, processing and visualizing of multi dimensional microscopy images. It's a collaborative project, designed and developed by microscopists, cell biologists and software engineers from the Universities of Jyväskylä and Turku in Finland, Max Planck Institute CBG in Dresden, Germany and collaborators worldwide.

A cron webservice.

"We want to build fun stuff in our spare time, give back to projects which need support, and create a community which is inclusive and engaging."

"Particular goals we want to achieve:
- introduce developers to open-source projects and help them learn the ropes.
- contribute to projects across a range of technologies.
- let the community determine where to focus efforts (?).
"

A flexible documentation framework, written in python. Can play with all kinds of code, template languages.

ClassX is an interactive lecture streaming system developed by the Image, Video, and Multimedia Systems (IVMS) research group at Stanford University. ClassX significantly reduces the cost of capturing and publishing educational videos, since the only cost incurred is the cost of the recording equipment (a consumer grade HD camcorder, a wireless microphone, and a tripod).

Opensource book co-edited by Greg Wilson (talked about on StackExchange podcast #9).
Detailed look at the architecture of several open-source projects (by their authors).

Open source and hosted StackExchange clone.