Robot Operating System 0.5.2

Robot Operating System is a free and open source development environment for building robotics applications.
Think of ROS as an operating system for your robot. As compared to other frameworks (e.g., Player, CARMEN, Orca), ROS is designed specifically for the forthcoming generation of mobile manipulation platforms.
Installation instructions for Mac OS X can be found here.
NOTE: Robot Operating System is licensed and distributed under the terms of the BSD License.

System requirements:
-

Enhancements
- roslaunch
- roslaunch-console: console application for querying state of nodes running in roslaunch
- roslaunch now always runs an XML-RPC server that can receive requests for process status
rostopic:
- rostopic pub command for publishing data to a topic
rospy:
- logging improvements including timestamps, more consistent usage within rospy, and message format args for rospy.log*()
rosservice:
- bug fixes
roswtf:
- now warns about nodes that have died or have respawned
- roscpp
- Added ros:ok() and ros:shutdown()
- Fixed constness on methods in a number of handles (Publisher, Subscriber, ServiceServer, ServiceClient)
- Fixed segfault when combining new and old style callbacks
- Fixed assertion when publishing the same topic multiple times from the same node
- Added :ConstPtr and :Ptr to autogenerated ros:Messages
- rosdep
- Debian support, improved yaml database
- rosrecord
- Various bag file improvements
- roslisp
- added integration with asdf build tool
- hierarchical logging similar to rosconsole
rosemacs:
- can keep track of topics, hertz rates in background; tab-completes topic names in shell.