Description: ATutor is an open source web-based learning content management system (LCMS) used to develop and deliver online courses. It allows creating and delivering educational content without technical skills.
Type: software
Pricing: Open Source
Description: Stack Overflow is a popular question and answer site for programmers. Users can ask coding questions and receive answers from a community of developers. The site has a reputation system to rate helpful responses.
Type: software
Pricing: Subscription