Ghidra is a software reverse engineering (SRE) framework

Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.

Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc

Install and run GNU/Linux on Android

Open Location Code is a library to generate short codes, called "plus codes", that can be used as digital addresses where street addresses don't exist.