A virtual machine for executing programs written in Hack.

Simplified executable deployment

A fast type checker and language server for Python

Used to integrate the Facebook Platform with your iOS & tvOS apps.

A collection of C++ HTTP libraries including an easy to use HTTP server.

Watches files and records, or triggers actions, when they change.

Pluggable in-process caching engine to build and scale high performance services

Wangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.

fb303 is a core set of thrift functions that provide a common mechanism for querying stats and other information from a service.

BICs (Bridge IC) are standalone devices deployed within a Data Center that enable monitoring a multi-host system using a single BMC device.