Open Source Statistics
Looking to research what open source and web development technologies are in use and additionally analyze them against proprietary platforms? Look no further than SecuritySpace.com – which offers a roster of free and premium research reports on market penetration of various technology platforms.
This is also a great way to see the usage levels of new revisions of technology, for instance, as part of a determination on whether to migrate to Apache 2.x from the stalwart 1.3 release.
Free reports and information on data for sale at http://www.securityspace.com/s_survey/data/index.html