Meta Open Source
@metaopensource.bsky.social
Empowering diverse community through open source technology.
⚡️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: https://github.com/facebookincubator/below
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: https://github.com/facebookincubator/below
GitHub - facebookincubator/below: A time traveling resource monitor for modern Linux systems
A time traveling resource monitor for modern Linux systems - facebookincubator/below
github.com
November 12, 2025 at 5:04 PM
⚡️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: https://github.com/facebookincubator/below
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: https://github.com/facebookincubator/below
🚀 StyleX: Meta’s 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: https://loom.ly/IEnQjTY
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: https://loom.ly/IEnQjTY
StyleX: A Styling Library for CSS at Scale
StyleX is Meta’s styling system for large-scale applications. It combines the ergonomics of CSS-in-JS with the performance of static CSS, generating collision-free atomic CSS while allowing for expressive, type-safe style authoring.
engineering.fb.com
November 11, 2025 at 5:11 PM
🚀 StyleX: Meta’s 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: https://loom.ly/IEnQjTY
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: https://loom.ly/IEnQjTY
Did you know that 63% of AI training models today are built on @PyTorch? When Meta first released the framework, we wanted to support developer experiences for AI researchers. Today, PyTorch helps accelerate the path to AI productization around the world: https://youtu.be/g__HkxDEvCg
- YouTube
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.
youtu.be
November 4, 2025 at 6:03 PM
Did you know that 63% of AI training models today are built on @PyTorch? When Meta first released the framework, we wanted to support developer experiences for AI researchers. Today, PyTorch helps accelerate the path to AI productization around the world: https://youtu.be/g__HkxDEvCg
🚀 New Podcast Episode Alert!
Are you passionate about Python typing or developer experience? Check out the latest episode of @talkpython.fm featuring Pyrefly, Meta’s blazing-fast type checker for Python:
https://www.youtube.com/watch?v=P4RKxl_giH4&t=2s
Are you passionate about Python typing or developer experience? Check out the latest episode of @talkpython.fm featuring Pyrefly, Meta’s blazing-fast type checker for Python:
https://www.youtube.com/watch?v=P4RKxl_giH4&t=2s
- YouTube
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.
www.youtube.com
October 23, 2025 at 5:41 PM
🚀 New Podcast Episode Alert!
Are you passionate about Python typing or developer experience? Check out the latest episode of @talkpython.fm featuring Pyrefly, Meta’s blazing-fast type checker for Python:
https://www.youtube.com/watch?v=P4RKxl_giH4&t=2s
Are you passionate about Python typing or developer experience? Check out the latest episode of @talkpython.fm featuring Pyrefly, Meta’s blazing-fast type checker for Python:
https://www.youtube.com/watch?v=P4RKxl_giH4&t=2s
🚀 New on the Meta Engineering blog: Branching in a Sapling Monorepo
Discover how Meta solved the tradeoffs between scalability and dev experience by introducing directory branching alongside full-repo branching in Sapling.
Read more here: https://loom.ly/GgxCxto
Discover how Meta solved the tradeoffs between scalability and dev experience by introducing directory branching alongside full-repo branching in Sapling.
Read more here: https://loom.ly/GgxCxto
Branching in a Sapling Monorepo
Sapling is a scalable, user-friendly, and open-source source control system that powers Meta’s monorepo. As discussed at the GitMerge 2024 conference session on branching, designing and imple…
engineering.fb.com
October 16, 2025 at 5:31 PM
🚀 New on the Meta Engineering blog: Branching in a Sapling Monorepo
Discover how Meta solved the tradeoffs between scalability and dev experience by introducing directory branching alongside full-repo branching in Sapling.
Read more here: https://loom.ly/GgxCxto
Discover how Meta solved the tradeoffs between scalability and dev experience by introducing directory branching alongside full-repo branching in Sapling.
Read more here: https://loom.ly/GgxCxto
⚡️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/
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/
Captum · Model Interpretability for PyTorch
Model Interpretability for PyTorch
captum.ai
October 15, 2025 at 5:24 PM
⚡️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/
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.
Let’s celebrate a new chapter for React and the open web!
🔗 Read more: https://loom.ly/UrW8eeI
#React #OpenSource #WebDev #ReactNative
Let’s celebrate a new chapter for React and the open web!
🔗 Read more: https://loom.ly/UrW8eeI
#React #OpenSource #WebDev #ReactNative
Introducing the React Foundation: The New Home for React & React Native
Meta open-sourced React over a decade ago to help developers build better user experiences. Since then, React has grown into one of the world’s most popular open source projects, powering over 50 m…
engineering.fb.com
October 7, 2025 at 6:18 PM
🚀 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: https://loom.ly/UrW8eeI
#React #OpenSource #WebDev #ReactNative
Let’s celebrate a new chapter for React and the open web!
🔗 Read more: https://loom.ly/UrW8eeI
#React #OpenSource #WebDev #ReactNative
🚀 Introducing OpenZL, a new #opensource, format-aware compression framework!
It uses a unique “graph model” for compression, enabling modular, high-performance codecs and a universal decoder - perfect for structured data at scale
Link: https://loom.ly/z09xoNw
#DataCompression
It uses a unique “graph model” for compression, enabling modular, high-performance codecs and a universal decoder - perfect for structured data at scale
Link: https://loom.ly/z09xoNw
#DataCompression
Introducing OpenZL: An Open Source Format-Aware Compression Framework
Introducing OpenZL: An Open Source Format-Aware Compression Framework
engineering.fb.com
October 6, 2025 at 4:10 PM
🚀 Introducing OpenZL, a new #opensource, format-aware compression framework!
It uses a unique “graph model” for compression, enabling modular, high-performance codecs and a universal decoder - perfect for structured data at scale
Link: https://loom.ly/z09xoNw
#DataCompression
It uses a unique “graph model” for compression, enabling modular, high-performance codecs and a universal decoder - perfect for structured data at scale
Link: https://loom.ly/z09xoNw
#DataCompression
How do you make sure your IDE works smoothly when you have more than 20 million lines of python code? 🤔
For devs at Instagram the answer is to use the Pyrefly VSCode extension 👩🏼💻
Read our blog about how Pyrefly improves your experience: https://pyrefly.org/blog/2025/09/15/ide-extension/
For devs at Instagram the answer is to use the Pyrefly VSCode extension 👩🏼💻
Read our blog about how Pyrefly improves your experience: https://pyrefly.org/blog/2025/09/15/ide-extension/
Give your Python IDE a Glow-Up with Pyrefly | Pyrefly
Learn how Pyrefly's language server capabilities can help you navigate large Python codebases with ease.
pyrefly.org
September 18, 2025 at 9:05 PM
How do you make sure your IDE works smoothly when you have more than 20 million lines of python code? 🤔
For devs at Instagram the answer is to use the Pyrefly VSCode extension 👩🏼💻
Read our blog about how Pyrefly improves your experience: https://pyrefly.org/blog/2025/09/15/ide-extension/
For devs at Instagram the answer is to use the Pyrefly VSCode extension 👩🏼💻
Read our blog about how Pyrefly improves your experience: https://pyrefly.org/blog/2025/09/15/ide-extension/
🔎 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 scale. Perfect if you need speed and a smooth developer experience.
Learn more 👉 https://sapling-scm.com
Meet Sapling, Meta’s next-gen source-control system. It’s Git-compatible but designed for massive repos and lightning-fast operations, even at scale. Perfect if you need speed and a smooth developer experience.
Learn more 👉 https://sapling-scm.com
Sapling from Meta | Sapling
A Scalable, User-Friendly SCM
sapling-scm.com
September 17, 2025 at 4:05 PM
🔎 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 scale. Perfect if you need speed and a smooth developer experience.
Learn more 👉 https://sapling-scm.com
Meet Sapling, Meta’s next-gen source-control system. It’s Git-compatible but designed for massive repos and lightning-fast operations, even at scale. Perfect if you need speed and a smooth developer experience.
Learn more 👉 https://sapling-scm.com