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Open Roberta Lab

  • Software
  • Microcontrollers and firmware tools
  • Tool

A web-based programming environment for robots, served by a Java server that can be run locally for building and experimenting with the lab.

Made by Open Roberta, Germany (checked on github.com/OpenRoberta (opens in a new tab)).

Source on GitHub: github.com/OpenRoberta/openroberta-lab (opens in a new tab). Facts read at commit c956973 (opens in a new tab).

Licenses

Code
Apache-2.0 (opens in a new tab)

Read by Robotheca from LICENSE (opens in a new tab) (Apache-2.0) at commit c956973 (opens in a new tab), on 16 Oct 2026.

Commercial use
Yes

What it does

  • Lets users program robots in a browser using block-based editing built on Blockly.
  • Java server with an embedded Jetty instance, a database, and REST services for browser clients.
  • Supports connecting robots over Wi-Fi or USB and compiling code for several robot platforms.
  • Cross-compilers for specific robots are optional; without them, programming and simulation still work.
  • Can be installed from git for development or exported to a standalone directory, and deployed with Docker.
  • Frontend sources are in TypeScript under OpenRobertaWeb and built with npm.

Written by Robotheca from the project's README (opens in a new tab) at commit c956973.

Getting started

Difficulty
Beginner
Hardware it needs, as the project states it
Optional cross-compiler toolchains are needed to compile for real robots.

Maintenance

Status
Active: a commit in the last 90 days
Newest commit
12 Oct 2026 on develop
Latest release
ORA-5.2.32 (22 Apr 2026)

Checked on GitHub on 16 Oct 2026.

Robots that can run it

No robot on Robotheca is linked to it yet. Links come from a robot's robot.yaml, from its dependency files read as text, or from Robotheca's editors.

Robotheca lists software as a reference: nothing is hosted or run here, and every fact links to where it was read.