huggingface/lerobot
Real-robot learning framework from Hugging Face: ACT/Diffusion Policy/VLA algorithms out of the box, paired with low-cost hardware like SO-100 and a dataset ecosystem; the most active community in the field.
leggedrobotics/legged_gym
RL training framework for legged robots built on Isaac Gym (paired with rsl_rl); the classic starting point for legged and whole-body-control Sim2Real research.
ros2/ros2
Robot Operating System 2 (middleware + toolchain + ecosystem standards); the de facto software standard for real robots and the runtime base for most embodied AI deployments.
OpenLoong/OpenLoong
Open-source full-stack humanoid robot platform (Qinglong robot), covering motion control, simulation training and full-system implementation; a flagship of China's humanoid open-source ecosystem.