Top AI Open Source Projects to Watch in 2025

ChatTTS-ui: A simple local web interface that uses ChatTTS to synthesize text into speech, while also supporting external API interfaces.

Anyquery is a SQL query engine that allows you to run SQL queries against almost anything. It supports querying files, databases, and applications (such as Apple Notes, Notion, Chrome, Todoist, etc.). It's built on top of SQLite and uses plugins to extend its functionality.

Ivy is an open-source machine learning code conversion tool that supports converting code between frameworks such as PyTorch, TensorFlow, JAX, and NumPy while maintaining full functionality.

Horovod is a distributed deep learning training framework for TensorFlow, Keras, PyTorch, and Apache MXNet.

Gym is a toolkit for developing and comparing reinforcement learning algorithms. It supports teaching agents how to make decisions in a variety of simulated environments.

Megatron-LM is a powerful framework for training large language models, focusing on efficient parallelization strategies, designed to support model training with hundreds of billions or even trillions of parameters.

PyTorch: Python tensor and dynamic neural network with strong GPU acceleration