SRL is a plugin which adds the possibility to:
- simulate a vessel from all celestial bodies while in orbit without save/return to spacecenter/recover,
- launch a vessel from Kerbin without revert/quicksave/quickload.
This mod will change your save game, I suggest you back up your save game before you install it.
Forum: http://forum.kerbalspaceprogram.com/threads/93722
Dev: http://forum.kerbalspaceprogram.com/threads/92973
Github: https://github.com/malahx/SRL
My other mods:
QuickRevert - Keep your revert.
MemoryUsage - See the memory used by KSP.