System for collecting, deriving and working with facts about source code.

A library for testing database driven code in Hack

Mutable AST library for Hack with linting and code migrations

Generate Hack JSON Schema validators based on a JSON Schema.

Experimental features for the Hack Standard Library

[WIP] High Performance, Async, Hack Framework

A port of the PHP HTML Purifier originally developed by Edward Z. Yang into Hacklang