Take a look at http://cryopid.berlios.de/ http://cryopid.berlios.de/ I've never used it before, but it seems to do what you want. Edit: You might also want to

Take a look at http://cryopid.berlios.de/ http://cryopid.berlios.de/ I've never used it before, but it seems to do what you want. Edit: You might also want to take a look at http://checkpointing.org/ http://checkpointing.org/ as well.