Comprehensive list with descriptions.

Open source cryptography book project.

Harry Fuecks, back in 2006, discusses Windows-based tools for archiving images and working with the three main metadata formats.

Daniel Jalkut critiques the GPL.

U.S. government data in a variety of formats.

WordPress’s version of Drupal’s Organic Groups, I think. The site intro calls it a “suite of WordPress plugins and themes” that extend WordPress MU.

Outlines some themes of cloud computing, challenges to openness, and some principles for meeting them.

Database of fonts that are free to use for font embedding.

EveryBlock advocates for the use of open data standards by governments.

Aaron Swartz on the remarkable fact that the "initial implementing guidance for the American Recovery and Reinvestment Act (2009)" requires agencies to provide their reporting information in the form of XML feeds, specifically "preferred: Atom 1.0, acceptable: RSS."

David Robinson, et al. urging government to adopt an open data policy.

David Robinson on why government should expose published data in accessible, machine readable form, using open standards.

Indexes 2.8 million articles since 1981, and articles contain around 35 searchable fields.