hi william,   thanks for your answer, i read  http://www.ros.org/wiki/Support  and there is stated:   The following are not appropriate questions: general debugging/programming questions     Where do the developers talk,discuss ?   thanks flo   Gesendet: Freitag, 12. April 2013 um 19:24 Uhr Von: "William Woodall" An: "User discussions" Betreff: Re: [ros-users] ROS API implementation Florian,   ros-users is for announcements, we try to keep the traffic low as many people subscribe to it.   Please post this question on the answers.ros.org[http://answers.ros.org] FAQ website (or better yet the answers.gazebosim.org[http://answers.gazebosim.org]).   In the future please refer to our Support Policies: http://www.ros.org/wiki/Support[http://www.ros.org/wiki/Support]   Thanks!   On Fri, Apr 12, 2013 at 4:25 AM, "Florian König" wrote:hi, there is a ROS api for gazebo, which e.g. publish topics like /gazebo/apply_joint_effort and so on. Who is developing this API ? When i download the newest gazebo sources and build it, it does not have a ROS API  ? flo _______________________________________________ ros-users mailing list ros-users@code.ros.org[ros-users@code.ros.org] https://code.ros.org/mailman/listinfo/ros-users   -- William Woodall ROS Development Team william@osrfoundation.org[william@osrfoundation.org] http://williamjwoodall.com/