Merge branch 'main' into main

readme.md

@@ -100,6 +100,8 @@ This section contains libraries that are well-made and useful, but have not nece
 - [safejax](https://github.com/alvarobartt/safejax) - Serialize JAX, Flax, Haiku, or Objax model params with 🤗`safetensors`. <img src="https://img.shields.io/github/stars/alvarobartt/safejax?style=social" align="center">
 - [Kernex](https://github.com/ASEM000/kernex) - Differentiable stencil decorators in JAX.
 - [SCICO](https://github.com/lanl/scico) - Scientific computational imaging in JAX. <img src="https://img.shields.io/github/stars/lanl/scico?style=social" align="center">
+- [BrainPy](https://github.com/brainpy/BrainPy) - Brain Dynamics Programming in Python. <img src="https://img.shields.io/github/stars/brainpy/BrainPy?style=social" align="center">
+- [OTT-JAX](https://github.com/ott-jax/ott) - Optimal transport tools in JAX. <img src="https://img.shields.io/github/stars/ott-jax/ott?style=social" align="center">
 
 <a name="models-and-projects" />