Description: Part-DB is an open-source part database and CAD models library designed for engineers and hobbyists. It allows you to easily store, organize, and share mechanical parts data including parameters, drawings, and 3D models.
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