A ROS implementation of ORB_SLAM2
Why do you think that https://github.com/UniversalRobots/Universal_Robots_ROS_Driver is a good alternative to orb_slam_2_ros
A ROS implementation of ORB_SLAM2
Why do you think that https://github.com/UniversalRobots/Universal_Robots_ROS_Driver is a good alternative to orb_slam_2_ros