I am open source gis user/developer and works in a range of FOSS4G tools. A couple of them which I built from bottom up.
Interested in: Image Processing, Visualization, Remote Sensing, coding :)
Q&A for cartographers, geographers and GIS professionals
Q&A for professional and enthusiast programmers
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Q&A for Ubuntu users and developers
Q&A for computer enthusiasts and power users
Q&A for system and network administrators
Q&A for professional programmers interested in conceptual questions about software development
Q&A for students, teachers, and linguists wanting to discuss the finer points of the French language
Q&A for software developers, mathematicians and others interested in cryptography