robot_localization is a package of nonlinear state estimation nodes. The package was developed by Charles River Analytics, Inc. Please ask questions on answers.ros.org.
Software package and ROS wrappers of the Aruco Augmented Reality marker detector library
ROS Navigation stack. Code for finding where the robot is and how it can get somewhere else.
Cartographer is a system that provides real-time simultaneous localization and mapping (SLAM) in 2D and 3D across multiple platforms and sensor configurations.
Forked from Vins-Fusion: https://github.com/HKUST-Aerial-Robotics/Vins-Fusion
Pangolin is a lightweight portable rapid development library for managing OpenGL display / interaction and abstracting video input.