Cura - Cura aims to be a end solution for personal 3D printing with RepRap based machines.
Estherbot - Transform your resume into a bot.
Slic3r - STL-to-GCODE translator for RepRap printers Here comes Slic3r! Its features are: - speed
Scout - Scout ♥ monoliths.
MatterControl - MatterControl is a free, open source app that lets you organize and manage your 3D prints.
Gloat.com (prev. Workey) - Anonymously discover career opportunities with AI