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    30 repositories

    • user-documentation

      Public
      Documentation for those that use HHVM and write Hack code.
      JavaScript
      •
      Other
      •193•129•133•6•Updated Feb 7, 2026Feb 7, 2026

    • hacklang.org

      Public
      The content for hacklang.org
      JavaScript
      •
      Creative Commons Attribution 4.0 International
      •22•23•0•1•Updated Feb 7, 2026Feb 7, 2026

    • hack-mode

      Public
      A Emacs major mode for editing Hack code
      Emacs Lisp
      •
      GNU General Public License v3.0
      •15•15•5•0•Updated Feb 7, 2026Feb 7, 2026

    • hsl

      Public
      The Hack Standard Library
      Hack
      •
      MIT License
      •22•113•6•4•Updated Feb 7, 2026Feb 7, 2026

    • hhvm.com

      Public
      The landing page for HHVM and the blog of Hack/HHVM
      SCSS
      •
      Creative Commons Attribution 4.0 International
      •20•25•1•2•Updated Jan 23, 2026Jan 23, 2026

    • hhast

      Public archive
      Mutable AST library for Hack with linting and code migrations
      hhvmhacklang
      Hack
      •
      MIT License
      •43•74•36•4•Updated May 4, 2024May 4, 2024

    • packaging

      Public archive
      The sources for how we have built the HHVM packages.
      Shell
      •
      MIT License
      •64•64•19•6•Updated Jul 12, 2023Jul 12, 2023

    • hack-codegen

      Public archive
      Library to programatically generate Hack code and write it to signed files
      hacklangcodegen
      Hack
      •
      MIT License
      •94•346•5•2•Updated Jun 30, 2023Jun 30, 2023

    • hack-router-codegen

      Public archive
      Codegen (eg URI Map generation) on top of hhvm/hack-router
      routingpsr-7hacklangcodegen
      Hack
      •
      MIT License
      •7•12•5•1•Updated May 29, 2023May 29, 2023

    • fbexpect

      Public archive
      A Hack library for writing unit tests expressively
      Hack
      •
      MIT License
      •10•23•3•1•Updated May 29, 2023May 29, 2023

    • fbmarkdown

      Public archive
      Pure-Hack implementation of GitHub Flavored Markdown, based on the specification at https://github.github.com/gfm/
      Hack
      •
      MIT License
      •12•30•6•2•Updated May 27, 2023May 27, 2023

    • hack-router

      Public archive
      Request routing for HackLang
      routingpsr-7hacklang
      Hack
      •
      MIT License
      •14•42•7•4•Updated May 25, 2023May 25, 2023

    • hacktest

      Public archive
      A unit testing framework for Hack
      Hack
      •
      MIT License
      •13•31•9•1•Updated May 25, 2023May 25, 2023

    • xhp-lib

      Public archive
      Class libraries for XHP. XHP is a Hack feature that augments the syntax of the language such that XML document fragments become valid Hack expressions.
      facebookhackhacklangxhp
      Hack
      •
      MIT License
      •159•1.4k•2•1•Updated May 25, 2023May 25, 2023

    • type-assert

      Public archive
      Hack library for converting untyped data to typed data.
      typinghacklang
      Hack
      •
      Other
      •13•25•5•2•Updated May 24, 2023May 24, 2023

    • hhvm-docker

      Public archive
      Dockerfiles for HHVM
      Shell
      •
      MIT License
      •13•55•10•0•Updated Nov 1, 2022Nov 1, 2022

    • hh-clilib

      Public archive
      Command Line Interface (CLI) Library for the Hack programming language
      Hack
      •
      MIT License
      •12•11•3•0•Updated Aug 19, 2022Aug 19, 2022

    • hsl-experimental

      Public archive
      Experimental features for the Hack Standard Library
      Hack
      •
      MIT License
      •10•23•12•0•Updated Aug 9, 2022Aug 9, 2022

    • hack-http-request-response-interfaces

      Public
      Defines common cross-framework interfaces to represent HTTP requests and responses
      Hack
      •
      MIT License
      •8•11•4•0•Updated Aug 9, 2022Aug 9, 2022

    • homebrew-hhvm

      Public archive
      Official Mac OS X Homebrew formula for HHVM
      hhvmhomebrew-formulae
      Ruby
      •
      MIT License
      •22•82•11•1•Updated Jul 22, 2022Jul 22, 2022

    • hhast-inspect

      Public archive
      A tool for interactively exploring the AST of Hack programs
      Hack
      •
      MIT License
      •5•3•0•0•Updated Jul 13, 2022Jul 13, 2022

    • hhvm-autoload

      Public archive
      Autoload classes, functions, enums, constants, and typedefs on HHVM
      hhvmhacklangautoloader
      Hack
      •
      MIT License
      •20•34•4•1•Updated Jul 13, 2022Jul 13, 2022

    • actions

      Public archive
      GitHub Actions for Hack projects
      Shell
      •
      MIT License
      •7•2•0•1•Updated Jul 12, 2022Jul 12, 2022

    • hh-apidoc

      Public archive
      An API documentation generator for Hack files, which start with 'hh'.
      Hack
      •
      MIT License
      •8•12•9•0•Updated Jun 24, 2022Jun 24, 2022

    • definition-finder

      Public archive
      Find definitions (classes, functions, etc) in PHP and Hack files
      autoloadhhvmcomposer-pluginhacklang
      Hack
      •
      MIT License
      •10•11•0•0•Updated Jun 6, 2022Jun 6, 2022

    • difflib

      Public archive
      Functions and classes for calculating the differences between two sequences of items.
      Hack
      •
      MIT License
      •8•11•3•0•Updated May 3, 2022May 3, 2022

    • vim-hack

      Public archive
      Syntax highlighting and typechecker integration for Hack.
      vimhacklang
      Vim Script
      •
      MIT License
      •23•88•1•0•Updated Nov 18, 2021Nov 18, 2021

    • xhp-js-example

      Public archive
      Example project for XHP-JS
      Hack
      •
      Other
      •1•10•0•1•Updated Nov 18, 2021Nov 18, 2021

    • xhp-js

      Public
      Easily create JS controllers for XHP elements, and XHP wrappers for React elements
      reactjavascripthackhacklangxhp
      Hack
      •
      MIT License
      •7•57•2•0•Updated Nov 18, 2021Nov 18, 2021

    • hhvm-third-party

      Public
      All of the dependencies that hhvm needs which don't have nice packages
      hhvm
      C
      •
      MIT License
      •61•35•1•1•Updated Nov 1, 2021Nov 1, 2021