Cool QL Cool : CoolQLCool (CQC) is an open source GraphQL server that allows you to turn websites into GraphQL APIs.
Semgrep : Semgrep is a fast, open-source, static analysis tool that searches code, finds bugs, and enforces secure guardrails and coding standards. Semgrep supp...
Arduino : Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for artists, designers,...
Zulip : Powerful slack-like open source group chat
PlantUML : PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language
Open source emojis for designers, developers and everyone else!