DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:

Awesome XSS stuff

Binary instrumentation framework based on FRIDA

[Official] Android reverse engineering tool focused on dynamic instrumentation automation leveraging Frida. It disassembles dex, analyzes it statically, generates hooks, discovers reflected methods…

The backend of HTTP Toolkit