1. ReactA declarative, efficient, and flexible JavaScript library for building user interfaces.
4. WangleWangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.
5. WdtWarp speed Data Transfer (WDT) is an embeddedable library (and command line tool) aiming to transfer data between 2 systems as fast as possible over multiple TCP paths.
7. ZstdZstandard - Fast real-time compression algorithm
8. YogaYoga is a cross-platform layout engine which implements Flexbox. Follow https://twitter.com/yogalayout for updates.
10. Facebook360 depFacebook360 Depth Estimation Pipeline - https://facebook.github.io/facebook360_dep
11. FbthriftFacebook's branch of Apache Thrift, including a new C++ server.
12. Surround360Surround360 is Facebook's open source hardware and software for capturing stereoscopic 3D 360 video for VR. The repo contains hardware designs, as well as software for camera control and rendering.
13. ProphetTool for producing high quality forecasts for time series data that has multiple seasonality with linear or non-linear growth.
14. StethoStetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.
15. InferA static analyzer for Java, C, C++, and Objective-C
16. Mysql 5.6Facebook's branch of the Oracle MySQL v5.6 database. This includes MyRocks.
17. FbjsA collection of utility libraries used by other Facebook JS projects.
20. Grocery DeliveryThe Grocery Delivery utility for managing cookbook uploads to distributed Chef backends.
21. React DevtoolsAn extension that allows inspection of React component hierarchy in the Chrome and Firefox Developer Tools.
22. Tac plusA Tacacs+ Daemon tested on Linux (CentOS) to run AAA via TACACS+ Protocol via IPv4 and IPv6.
23. Taste TesterSoftware to manage a chef-zero instance and use it to test changes on production servers.
24. PlanoutPlanOut is a library and interpreter for designing online experiments.
27. WatchmanWatches files and records, or triggers actions, when they change.
28. AxAdaptive Experimentation Platform
34. ChiselChisel is a collection of LLDB commands to assist debugging iOS apps.
36. FlipperA desktop debugging platform for mobile developers.
37. BuckA fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.
38. BistroBistro is a flexible distributed scheduler, a high-performance framework supporting multiple paradigms while retaining ease of configuration, management, and monitoring.
41. FatalFatal is a library for fast prototyping software in modern C++. It provides facilities to enhance the expressive power of C++. The library is heavily based on template meta-programming, while keeping the complexity under-the-hood.
42. Transform360Transform360 is an equirectangular to cubemap transform for 360 video.
45. OpenrDistributed platform for building autonomic network functions.
47. HermesA JavaScript engine optimized for running React Native.
48. FbossFacebook Open Switching System
Software for controlling network switches.
49. NailgunNailgun is a client, protocol, and server for running Java programs from the command line without incurring the JVM startup overhead.