Intermediate Graphics Library (IGL) is a cross-platform library that commands the GPU. It provides a single low-level cross-platform interface on top of various graphics APIs (e.g. OpenGL, Metal and Vulkan).

TAAC (Test-As-A-Config) is a thrift-defined integration test framework for validating datacenter network products and platforms.

An open source design system that's fully customizable and agent ready

Facebook Open Switching System Software for controlling network switches.

Meta's BGP (Border Gateway Protocol) routing daemon for large-scale data center networks, built as part of the FBOSS forwarding stack.

A virtual machine for executing programs written in Hack.

Facebook's branch of Apache Thrift, including a new C++ server.

Build system, successor to Buck

Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

Rebalancer is a domain-specific language and tool for specifying and solving assignment problems (eg, putting balls in boxes with complex rules).