Empowering diverse community through open source technology.
Menlo Park, California
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- Following 536
- Followers 157,603
- Likes 1,725
We just launched fbt, a JavaScript internationalization framework with the aim of being both powerful and intuitive to use. Check it out at github.com/facebookincubator…, read the docs at facebookincubator.github.io/… and follow the project on Twitter @fbt_js.
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Which programming language do you wish you could learn, but haven't had a chance to?
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🚀Major Announcement🚀
Introducing Relay Hooks: Improved React APIs for Relay!
The Relay team has worked on a new set of APIs called Relay Hooks, with the future of @reactjs in mind. These changes emphasize DevX and performance.
Learn more on our blog: developers.facebook.com/blog…
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⚡️OSS Project Spotlight⚡️
Below is a powerful resource monitoring tool for Linux that provides deep insights into system performance, including CPU, memory, I/O, and more — all from an intuitive terminal interface.
Learn more: github.com/facebookincubator…
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We figured it was long past time create-react-app, one of our most popular projects, graduates from our open source incubator program. It is an understatement to say the project is used and maintained. The repo has been transferred to github.com/facebook/create-r…
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Open source offerings for developers in virtual reality continue to grow. Discover how to create better multiplayer experiences in VR with the SharedSpaces sample and other resources in our recent #SummerOfOpenSource post: developers.facebook.com/blog…
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We’re excited to announce the release of Animated Drawings, a first-of-its-kind #OpenSource project of annotated amateur drawings aimed at helping researchers easily create their own drawing-to-animation experiences or products.
Learn more about the tool: developers.facebook.com/blog…
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We've launched Flicks, a unit of time, slightly larger than a nanosecond that exactly subdivides media frame rates and sampling frequencies. github.com/OculusVR/Flicks
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The countdown is over! We're super excited to launch @reactjs native for Android. code.facebook.com/posts/1189… #androiddev
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Our second post in the "Summer of open source" series highlights resources for learning and updates about PyTorch, including quantization and the recent launch of the #PyTorchFoundation. Explore some of the features and recipes currently available: bit.ly/3UCgCyz
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Encodec is a neural network trained end-to-end to compress & decompress audio in real time resulting in state-of-the-art size reductions.
Read about AI-powered audio hypercompression work created by @MetaAI researchers: ai.facebook.com/blog/ai-powe…
View repo: github.com/facebookresearch/…
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We just open-sourced DensePose, a real-time approach for mapping all human pixels of 2D RGB images to a 3D surface-based model of the body. GitHub: github.com/facebookresearch/… Docs: densepose.org
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Announcing Visdom, a visualization tool that takes analyzing scientific & deep learning data to the next level github.com/facebookresearch/…
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We are excited to announce the launch of @Docusaurus - an infrastructure to help you easily create and manage open source websites. docusaurus.io/blog/2017/12/1…
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We are happy to announce the launch of Pyre, a fast type checker for Python. facebook.com/notes/protect-t…. The source is available on GitHub. github.com/facebook/pyre-che…. The docs are available at pyre-check.org
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📆 Meta Open Source: 2021 Year in Review 📆
Our open source community was unstoppable when equipped with the best developer tools and programming languages. In this blog, @DmitryVinnik and @NavyataBawa shine a spotlight on some of them:
developers.facebook.com/blog…
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JavaScript developer? Want your code to initialize faster? We just launched Prepack to make JS code more efficient. prepack.io/
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Introducing Detectron, Facebook AI Research's platform for object detection research, powered by @caffe2ai. github.com/facebookresearch/…
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🚀 StyleX: Open Source Styling Library for CSS at Scale!
StyleX is the styling system that combines the best of CSS-in-JS ergonomics with the performance of static CSS—making styling expressive, type-safe, and lightning fast.
👉 Link: engineering.fb.com/2025/11/1…
#OpenSource #CSS
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📆 Meta Open Source: 2021 Year in Review 📆
2021 was a year full of wonderful partnerships and fellowships with @rust_foundation, @linuxfoundation and more.
Find out what we’ve accomplished: developers.facebook.com/blog…
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🏅Community member spotlight🏅
Edidiong (@Didicodes) is a software engineer actively contributing to #OpenSource. Check out her blog post "Open Source contributions: A catalyst for growth" and more on her website 👇👇
edidiongasikpo.com/
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🚀 Big news! Today marks the formation of the React Foundation — a new home for React, React Native, JSX, and the broader React ecosystem.
Let’s celebrate a new chapter for React and the open web!
🔗 Read more: engineering.fb.com/2025/10/0…
#React #OpenSource #WebDev #ReactNative
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Excited to bring you Keyframes, a library for delivering high-quality animations to your iOS & Android apps. code.facebook.com/posts/3544…
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📆 Meta Open Source: 2021 Year in Review 📆
The past year has shown that when it comes to AR/VR, our open source community keeps on growing. @DmitryVinnik and @NavyataBawa detail how far we’ve come in our blog:
developers.facebook.com/blog…
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A deep dive into how we made #reactnative 2x faster. code.facebook.com/posts/8958…
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📣 Announcing New Open Source Project 📣
React Compiler, a new experimental compiler, has just been open-sourced by the @reactjs team. This build-time-only tool is designed to optimize your React app automatically. Learn more about it here: react.dev/learn/react-compil…
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We've just released GraphQL Language Service, an interface for building @GraphQL IDE support. github.com/graphql/graphql-l…
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We've released the code behind the 2017 F8 app + an updated website. Built with @reactnative, @GraphQL, @fbjest, @flowtype, Redux, ... makeitopen.com/blog/2017/12/…
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Facebook AI Research (FAIR) just announced the open sourcing of flashlight, a standalone C++ library for training neural networks. For example, flashlight helps power our speech recognition system, Wav2Letter++.
Post: code.fb.com/ai-research/wav2…
GitHub: github.com/facebookresearch/…
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Facebook and GitHub announce Atom-IDE, bringing deeper language integrations to the Atom editor!
github.com/blog/2430-introdu…
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We're open sourcing our React Native-based F8 2016 app - check it out on GitHub github.com/fbsamples/f8app/ #F8 #F82016 #reactnative
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How many contributions did you make to @GitHub in 2022? Reply with a screenshot of your contribution overview and share your favorites with us.
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We just launched Beringei, a high performance, in-memory storage engine for time series data. github.com/facebookincubator…
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We just released Katran - a high performance, scalable network load balancer. Check out the details at code.facebook.com/posts/1906… and see the code at github.com/facebookincubator…
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We just released fastmod, a fast, partial replacement for codemod, to assist you with large-scale codebase refactors. github.com/facebookincubator…
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Introducing deepfloat, an approach from @facebookai to make floating point math highly efficient and optimized for AI hardware.
Blog post: code.fb.com/ai-research/floa…
GitHub: github.com/facebookresearch/…
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We are happy to announce the launch of LogDevice, a distributed store for sequential data. LogDevice is a scalable and fault tolerant distributed log system.
GitHub: github.com/facebookincubator…
Announcement: logdevice.io/blog/2018/09/12…
Docs: logdevice.io
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It's out now! The technical preview of Relay, a JS framework for building data-driven @reactjs apps facebook.github.io/react/blo…
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Do you like easy layouts? Flexibility? css-layout is now Yoga with better performance, more languages and new docs! code.facebook.com/posts/1751…
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Good news for Messenger Desktop users! We’ve made the desktop development even faster and smaller with React Native. Learn about our journey with the product and development process.
Try it for yourself by integrating it into your existing application: developers.facebook.com/blog…
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We just launched BOLT - a Binary Optimization and Layout Tool - to help you optimize the performance of your Linux binaries. code.facebook.com/posts/6057… GitHub: github.com/facebookincubator…
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We believe that open source is stronger when all feel welcomed. We’re committing to only fund inclusive communities. It’s one of several changes we're making to be a better ally.
developers.facebook.com/blog…
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Duckling, our Haskell-based text-to-structured-data parser, has graduated from our open source incubator program! github.com/facebook/duckling
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Today we're releasing React VR, a great way to use the architecture behind React to build immersive VR applications. code.facebook.com/posts/2152…
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Facebook Open Source is excited to announce it is joining the Rust Foundation at its highest member tier in support of its mission to support the maintainers who grow and develop the Rust programming language and developer ecosystem.
developers.facebook.com/blog…
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Happy to see another option for people who want to learn React! udacity.com/react
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Facebook and Microsoft introduce ONNX, a new, open ecosystem for interchangeable AI frameworks... fb.me/PlJpggLa
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F8, our dev conference, is back! And with a dedicated track for our eng team & open source projects. See you there! fbf8.com/
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Meta is a proud sponsor of @AllThingsOpen, Oct 30-Nov 2. Engineering Director Killian Murphy reflects on Meta’s work with the community to make open source more inclusive & available to all. Read about these efforts & Meta’s presence at ATO on their blog: bit.ly/3ENVL5D
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🏅Community member spotlight🏅
Annie (@anniebombanie_) has been making some CSS/JS tricks that have us star struck 🤩🤩 She is the ultimate cross-over between designer and developer.
Check out her awesome pens using React and other #OpenSource libraries: codepen.io/anniebombanie
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🎉🎉🎉 Super excited about Yarn.
Introducing Yarn: a new package manager for JavaScript from @fbOpenSource, @tildeio, @googledevs & @exponentjs. code.facebook.com/posts/1840…
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Today we launched XAR - eXecutable ARchives - which provides an easy and efficient way to package and distribute your Python code and dependencies, while executing with the same speed as natively installed apps. code.fb.com/data-infrastruct… GitHub: github.com/facebookincubator…
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We're excited to announce that we are transferring Jest to @openjsf! We look forward to the future of Jest as a project led by the Jest community!
engineering.fb.com/2022/05/1…
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Introducing DeepText: Facebook's text understanding engine. code.facebook.com/posts/1815…
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Today we're absolutely thrilled to launch the 1st version of Flow (@flowtype), a static type checker
for JavaScript code.prod.facebook.com/posts…
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❄️ Happy Holidays to the #OpenSource community! We are grateful for you all.
See you in 2021! ☃️
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As industrial users of #ocaml, we're happy to announce today that Facebook is joining the Caml Consortium at INRIA.
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We are excited to announce our new podcast, The Diff, showcasing the program, projects and people that drive our mission of building community through open source technology.
The trailer and first four episodes are online.
Listen and subscribe at thediffpodcast.com
Enjoy!
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We have made the tough decision to retire Nuclide, our Atom-based IDE. The code will be archived and available for use at github.com/facebookarchive/n…. See all the details on the front page of nuclide.io/.
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Something for the weekend...
`create-react-app hello-world`
...a new tool to create React apps: github.com/facebookincubator… - enjoy!
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Build faster with Buck2! Our extensible, performant, open source build system is designed to make your build experience better, including:
-Increased parallelism
-Integration with remote executing & virtual file systems
-Redesigned console output
See how: engineering.fb.com/2023/04/0…
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Nuclide: an IDE for @reactjs Native apps, for @flowtype JavaScript, and yes, for @HackLang. Stay tuned: nuclide.io
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Our favorite GitHub issue ever. Thank you for being amazing communities and a happy new year to you all! 🎉
github.com/facebook/react/is…
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As #f8 is set to begin today, we have launched the first version of our new website opensource.fb.com, showcasing many of our projects, grouped by category. You will also find links to our GitHub repos and organizations, along with other resources.
Home | Meta Open Source
The landing page of the official Meta Open Source website.
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Improving CSS quality at Facebook and beyond. code.facebook.com/posts/8798…
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Introducing Metro Bundler - the packager for React Native has been pulled out into its own GitHub project in... fb.me/8LCZZdmMI
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We recently launched FBender, a new, open-source command-line tool for load-testing generic network protocols. We support throughput and concurrency tests for: DHCPv4, DHCPv6, DNS, HTTP, TFTP and generic UDP with support for fbthrift based services. github.com/facebookincubator…
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In this clip of episode 14 of ‘The Diff’, #VR Software Engineer Eric Le Saux chats with @NavyataBawa and explains how his team began developing the #opensource SharedSpaces sample. Check out the full episode here: piped.video/watch?v=-rNoIHLY…
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The #OpenSource SharedSpaces app works in three layers to send and sync data between players. Software engineer @Pro__Zac explains what each layer does in this clip from episode 15 of The Diff.
Watch more: bit.ly/3C8aN4J
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We recently released Bowler - a tool for refactoring Python code safely and efficiently.
Docs: pybowler.io/
GitHub: github.com/facebookincubator…
PyCon Australia Presentation: piped.video/watch?v=9USGh4Uy…
Bowler · Safe code refactoring for modern Python
Safe code refactoring for modern Python
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...aaand one final Facebook open source project today: exerslide, a presentation & tutorial tool: facebookincubator.github.io/…
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The #reactconf 2016 talks have been going up today. Catch up on the videos from this awesome event on piped.video/playlist?list=PL…
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Are you looking for an easier way to create text layouts on Android? We just released TextLayoutBuilder to help. github.com/facebookincubator…
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In episode 14 of ‘The Diff’: #VR Software Engineer Eric Le Saux chats with host @NavyataBawa, where he summarizes the three layers of how connections are established on the #opensource SharedSpaces sample. Check out the full episode here: piped.video/watch?v=-rNoIHLY…
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It's here! Releasing Nuclide: a unified dev experience for iOS, @reactjs, @reactnative, @flowtype and @HackLang. code.facebook.com/posts/3977…
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Today, Facebook AI Research (FAIR) released Tensor Comprehensions, a domain specific language (DSL) for expressing machine learning (ML) workloads. It is a C++ library and mathematical language that helps bridge the gap between researchers and engineers. research.fb.com/announcing-t…
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Announcing smaller and faster data compression with Zstandard: code.facebook.com/posts/1658…
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Releasing mention-bot, a handy tool for projects to quickly notify potential PR reviewers. github.com/facebook/mention-…
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We’ve just open-sourced some sweet iOS tools to help you easily find and fix memory leaks. code.facebook.com/posts/5839… #f8 #f82016
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Introducing Rapid 2.0, a new Rapid editor for OpenStreetMap (OSM)! This version includes:
- Authoritative geospatial datasets
- Excellent performance
- User-centered development
Learn more: developers.facebook.com/blog…
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We’ve just released fastText, a library for fast text representation and classification. github.com/facebookresearch/…
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A lot of amazing open source work was accomplished by a lot of amazing people in 2018. A huge thank you to everyone involved in our program. Here is our year in review. Onward in 2019 for more great projects to come. code.fb.com/open-source/open…
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🤔 Explain Like I'm 5 🤔
In a little over a minute, Jesslyn (@jtannady) explains the #OpenSource project #GraphQL in layperson friendly terms.
Watch the video here.
piped.video/RDYYVGAKqqQ
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We just launched Nubia, a lightweight framework for building command-line applications with Python github.com/facebookincubator…
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The #OpenSource SharedSpaces app has different rooms that allow for different levels of privacy. Software engineer @Pro__Zac explains which rooms are public and which are invite-only in this clip from episode 15 of The Diff: bit.ly/3C8aN4J
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"PyTorch really focuses on the developer experience. It makes ease of use really accessible to everyone." -Christian B.
Learn how @refikanadol & @christianbkrr turn data into pigments and @PyTorch streamlined the process with @subramen & @sleepydeveloper: piped.video/yjPv2ltMt-E
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📆 Meta Open Source: 2021 Year in Review 📆
In this blog, @DmitryVinnik and @NavyataBawa highlight some of the many exciting achievements and contributions from developers worldwide that wouldn’t have been possible without the open source community:
developers.facebook.com/blog…
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🏅Community member spotlight🏅
Ekene (@kenny_io) is one of our favorite Developer Advocacy 🥑 leaders in #OpenSource!
If you are interested in getting started in #GraphQL, Ekene's blog post "GraphQL: The good and the bad" is a must read: scotch.io/tutorials/graphql-…
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🏅Community member spotlight🏅
Samson (@Samson_Goddy) is changing the world through his contributions in #OpenSource and @reactjs 🤝
Along with code, on GitHub Samson shares how to effectively build diverse and inclusive OSS communities🔥 Check it out: github.com/readme/samson-god…
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Like forecasting? Check out Prophet, our new tool that provides accurate, reliable and easy-to-interpret forecasts. research.fb.com/prophet-fore…
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Are you a Python developer? We just launched ptr - Python Test Runner. Whether you have one project or multiple projects in your repo, ptr can run all your tests at once, in parallel. ptr is on GitHub at github.com/facebookincubator… and on PyPI at pypi.org/project/ptr/
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One of our most popular open source projects, Create React App, now has an awesome website and documentation, powered by another one of our projects, @docusaurus.
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Facebook is proud to join a coalition of other industry leaders in the intent to form a new foundation to support GraphQL within the Linux Foundation.
linuxfoundation.org/press-re…
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Excited to see @hellendag announce Draft.js, a framework for building rich text editors in React #reactconf. facebook.github.io/draft-js/
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Sometimes the host of a meeting has to drop, but the meeting must go on. Software engineer @Pro__Zac explains how the #OpenSource SharedSpaces app chooses who becomes the next host to avoid kicking everyone out in episode 15 of The Diff: bit.ly/3C8aN4J
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