Nexenta

For q&A for users and maintainers of nexenta products

Windows Phone

For enthusiasts and power users of Windows Mobile and Windows Phone 7.

Tridion

For all of the SDL Tridion Community, including developers, architects, system administrators and content creators. Intended to help users with all aspects of a Tridion implementation, including BluePrinting, Publishing and content creation.

Hacking and Hackers

For hackers and people who aren't sure whether they are hackers but would like to find out. Here hack/hacking are used in a sense of ESR/Jargon File definition: "an appropriate application of ingenuity".

3D Printers, Laser Cutters, & Personal Manufacturing

For operators of 3D printers, heads of hacker spaces, hardware hackers, service bureau owners, MakerBot tinkerers, product entrepreneurs, MAKE magazine subscribers, and all others who want to make physical things with computers.

Mathematica

For users of Mathematica.

Artificial Intelligence & Robotics

For AI, Machine Learning, Computer Vision, Robotics (applied and theoretical).

Home Automation

For home automation experts and enthusiasts; covering home automation hardware and software, solution design and installation, as well as the development of custom home automation solutions.

Theoretical and Applied Robotics

For robotics researchers, hobbyists, enthusiasts, and beginners. This site is a 'unified robotics proposal'.

Salesforce

For serious Salesforce administrators, implementation experts, developers and anybody in-between! Covering declarative (clicks not code) as well as code-based development as well as system administration.

Enterprise Software

For developers, technical users, functional users and managers who work with ERP, CRM, BI, SCM, BS, SAP, EFM, QA, ECR, HR, PLM, WMS, PMS, SFA and other software geared towards enterprise process.

Stack Overflow (in German)

For German speaking professional and enthusiast programmers (ein deutsches Stack Overflow)

Ask Ubuntu (in French/en français)

For all french-speaking people for which it would be a great resource to have a localized 'Ask Ubuntu' clone. Pour une source d'information et d'échange en français, une proposition d'un clone d'Ask Ubuntu.

MATLAB

For MATLAB(tm) programmers, users, and enthousiasts.

Wikis and Wikipedia

For navigating and editing Wikipedia, sharing of help and guidelines, managing and installing wikis, administrating your Wikia / organization's wiki, MediaWiki, DokuWiki or others, writing wiki articles and its syntax, or any other wiki-related ...