Repetier Server is described as 'Access and Control your 3D Printers from Anywhere'. There are five alternatives to Repetier Server for Linux, Self-Hosted solutions, Online / Web-based, Mac and Windows. The best alternative is OctoPrint, which is both free and Open Source. Other great apps like Repetier Server are Polar Cloud (Free), 3DPrinterOS (Paid), Photonic3D (Free, Open Source) and AstroPrint (Free, Open Source).
The 3DPrinterOS printer cloud enables storage, licensing, and sales of original 3D models, providing 3D printer copyright protection. With one click, our system enables any 3D designer or 3D printer operator to remote control and manage multiple users and print queues.