Open source at F8 2019
May 1, 2019

Summary
This post announces the open-sourcing of several tools at F8 2019: Ax (adaptive experimentation platform), BoTorch (Bayesian optimization research library), idb (iOS simulator/device automation CLI), Memscout (jemalloc memory analysis tool), and Mvfst (QUIC transport protocol implementation).
More from the Open Source Strategy and Contributions trail
- Python Typing Survey 2025: Code Quality and Flexibility As Top Reasons for Typing Adoption
- Efficient Optimization With Ax, an Open Platform for Adaptive Experimentation
- Open Source Is Good for the Environment
- Meta joins Kotlin Foundation
- Open-sourcing Pyrefly: A faster Python type checker written in Rust