Pronterface alternatives: Repetier: https://github.com/repetier/Repetier-Host ReplicatorG: http://replicat.org/ Reprap Software:

General CNC CNC Routers
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Pronterface alternatives:

Repetier:
https://github.com/repetier/Repetier-Host

ReplicatorG:
http://replicat.org/

Reprap Software:
http://reprap.org/wiki/Reprap_host_software