FreeMind
Description: FreeMind is an open source mind mapping and knowledge management software. It allows users to visually organize ideas, tasks, and concepts in a node-based map.
Type: software
Pricing: Free
Gogs
Description: Gogs is a self-hosted Git service written in Go. It is lightweight, easy to install and uses lower system resources than GitHub. Gogs supports features like issue tracking, pull requests and web hooks.
Type: software
Pricing: Free