Open Source Alternatives to Repetier-Server

A 3D printer control and management software that allows users to monitor and operate multiple printers simultaneously via a web browser on PCs, smartphones, and tablets. The software includes a G-code manager with 2D and 3D previews, multi-webcam support for timelapse videos, and a project management system for organizing 3D models. It supports common firmwares, Klipper, and smart home integrations such as MQTT and Home Assistant. The product is designed for individual users and print farms, offering deployment options including a ready-configured Raspberry Pi image. Capabilities include firmware uploading, EEPROM editing, and the generation of PDF print history reports. Users can also outsource computationally intensive operations to faster computers within their own network to improve performance.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Repetier-Server give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 3 open source alternatives to Repetier-Server. The most popular are OctoPrint, Mainsail and Fluidd. Most use the GPL-3.0 or AGPL-3.0 license, and 3 offer an official Docker image.