SageBase - A searchable database of articles on every topic under the sun. Ask specific questions, and browse previously written articles. Become a Sage, and get paid for writing articles. Since You Ask - Ask any question, researchers will find the answer and post it on the page. SwapSmarts - Members ask questions of experts.
Experts provide the answer.
Members rate and pay the expert in SmartBucks, an online currency. Identity, questions and answers private. Tutorialfind - Features over 300 categories of tutorials and currently more than 3000 links which are frequently updated. Categories include everything from 3D software and web development to sport and spoken languages. This is a free service.