Description: Apache Subversion is an open source version control system. It allows users to maintain current and historical versions of files such as source code, web pages, and documentation. Popular among developers and used by corporations to manage large projects.
Type: software
Pricing: Free
Description: Wolfram Alpha is a computational knowledge engine that allows users to get instant expert-level answers to questions on math, science, and many other topics by typing queries in plain language. It understands and computes answers across many domains.
Type: software