Meta Open Source
Software Development
Menlo Park, California 9,411 followers
Empowering diverse communities through open source technology.
About us
Meta is committed to the notion that open source not only provides great technology for developers, but also brings the best out in people. Follow us for updates on Meta's open source.
- Website
- https://opensource.facebook.com/
External link for Meta Open Source
- Industry
- Software Development
- Company size
- 10,001+ employees
- Headquarters
- Menlo Park, California
Updates
Did you know that 63% of AI training models today are built on PyTorch? When Meta first released the framework in 2016, we wanted to support training and developer experiences for AI researchers. Today, PyTorch’s mission has expanded — helping accelerate the path to AI productization for companies around the world.To learn more about what it’s like to work on AI’s leading deep learning framework, watch this short video about the project:https://lnkd.in/gE-sAw5b or read the latest Meta Career's blog post:https://lnkd.in/gQjC-BDh or
How PyTorch Unlocks AI Research and Productization at Scale
https://www.youtube.com/
🚀 New Podcast Episode Alert!Are you passionate about Python typing, developer experience, or IDE tooling? Check out the latest episode of Talk Python To Me featuring the team behind Pyrefly: Meta’s blazing-fast type checker and language server for Python, written in Rust.🎙️ Episode Highlights:- How did Pyrefly come to be, and the engineering decisions behind it- An overview of powerful IDE features and typechecking capabilities- How Pyrefly is used at Meta in massive codebases like Instagram- What makes Pyrefly different from mypy and other checkers- Why we decided to be open-source from day one, with weekly releases and active community input🔗 Listen here:https://lnkd.in/g-2z3kef 🎥 Watch here:https://lnkd.in/gg2XbmnK#Python#Pyrefly#TypeChecking#OpenSource#DeveloperTools#TalkPython#Meta#Rust
🚀 New on the Meta Engineering blog: Branching in a Sapling MonorepoDiscover how Meta solved the tradeoffs between scalability and dev experience by introducing directory branching alongside full-repo branching in Sapling. Dive into the architecture, use cases, and lessons learned:https://lnkd.in/gHm67TSw
⚡️OSS Project Spotlight⚡️Captum is an open source library from Meta for model interpretability in PyTorch. It helps developers understand and visualize the decisions made by deep learning models using attribution methods like Integrated Gradients and DeepLIFT.Learn more:https://captum.ai/
🚀 Big news! Today marks the formation of the React Foundation — a new home for React, React Native, JSX, and the broader React ecosystem.This move formalizes governance, ensures long-term sustainability, and brings more community, industry, and corporate collaboration under one roof. The Foundation will be part of the Linux Foundation and governed by leaders from Meta, Microsoft, Vercel, Expo, Amazon, and more. 🔗 Read more:https://lnkd.in/giTQ5eUHLet’s celebrate a new chapter for React and the open web.#React#OpenSource#WebDev#ReactNative
🚀 Excited to introduce OpenZL, Meta’s new open source, format-aware compression framework!OpenZL uses a unique “graph model” for compression, enabling modular, high-performance codecs and a universal decoder. It delivers top-tier compression ratios and speed, with minimal CPU usage—perfect for structured data at scale.Built for rapid development and real-world production, OpenZL is already showing impressive results at Meta.Curious to make your data smaller and faster?🔗 Learn more:https://lnkd.in/gFSJh8E7📄 Read the whitepaper:https://lnkd.in/gPD7QQyF💻 Try it out:openzl.org#OpenSource#DataCompression
How do you make sure your IDE works smoothly when your codebase has more than 20 million lines of python code? 🤔For developers at Instagram the answer is to use the Pyrefly VSCode extension 👩🏼💻Read our latest blog here about how Pyrefly can improve your IDE experience, whatever the size of your codebase:https://lnkd.in/gzhEKCBq
🔎 Meta Open Source 101🔎Meet Sapling, Meta’s next-gen source-control system. It’s Git-compatible but designed for massive repos and lightning-fast operations, even at Meta’s scale. Perfect if you need speed and a smooth developer experience.Learn more 👉https://sapling-scm.comWhy Sapling?• Git-compatible CLI & workflows• Blazing performance on huge monorepos• Built-in smart history rewrite & interactive rebaseYou can adopt it incrementally—use Sapling’s client while keeping your existing Git server.Getting started:1️⃣ Install Sapling (brew install sapling on macOS)2️⃣ Clone a repo: sl clone <repo>3️⃣ Work as usual—commands like sl commit, sl log, and sl pull mirror Git’s feel but are optimized for speed.Want deeper insights—architecture, scaling lessons, and Meta’s journey from Git?Check out the engineering deep dive:https://lnkd.in/g_XnESfi⚡ Faster commits, friendlier workflows—give Sapling a try today!
Hello Python Developers!We’re excited to share that the 2025 Python Type System and Tooling Survey is live - and the typing community would love to hear from you! ✨You don’t need any prior experience with typing to participate - your perspective as a Python developer is what matters most.💡💻If you have 10 minutes, please take the survey - your feedback can make a real difference in helping improve Python typing for everyone.👉 Take the survey here:https://lnkd.in/eMKQHPxUThank you for your time and insights!#Python#PythonTyping#DeveloperSurvey
Missed the Second EgoVis workshop at CVPR 2025? Catch up now on YouTube! Hear from keynote speakers @xiaolonw, @SiyuTang, and @NagraniArsha. Plus, discover the winners & honorable mentions of HD-EPIC, EPIC-KITCHENS, Ego-Exo4D, and Ego4D Challenges#EgoVis#CVPR202Link:https://lnkd.in/d37BwAJw
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