facebook / sapling

A Scalable, User-Friendly Source Control System.

facebook / flow

Adds static typing to JavaScript to improve developer productivity and code quality.

facebook / pyrefly

A fast type checker and language server for Python

facebook / relay

Relay is a JavaScript framework for building data-driven React applications.

facebook / buck2

Build system, successor to Buck

facebookincubator / below

A time traveling resource monitor for modern Linux systems

MobileFirstLLC / social-media-hacker-list

Growing list of apps and tools for enhancing social media experiences.

facebookexperimental / hermit

Hermit launches linux x86_64 programs in a special, hermetically isolated sandbox to control their execution. Hermit translates normal, nondeterministic behavior, into deterministic, repeatable behavior. This can be used for various applications, including replay-debugging, reproducible artifacts, chaos mode concurrency testing and bug analysis.

facebook / starlark-rust

A Rust implementation of the Starlark language

facebook / dotslash

Simplified executable deployment

facebookexperimental / reverie

An ergonomic and safe syscall interception framework for Linux.

facebookincubator / superconsole

The superconsole crate provides a handler and building blocks for powerful, yet minimally intrusive TUIs. It is cross platform, supporting Windows 7+, Linux, and MacOS. Rustaceans who want to create non-interactive TUIs can use the component composition building block system to quickly deploy their code.