No. 9 of 26 ·Robotics Education Software

Open Roberta Lab

Web · Android · iPhone

Freedom report

Three barsScore 6.5

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

Open Roberta Lab is ranked #9 of 26 in robotics education software on Freedom251. It runs on Android, iOS, Web. There is a free plan.

Open Roberta Lab plans and pricing

All plans

Free Free Free to use · browser-based · no installation required open-roberta.org · 3 Oct 2026

Compared on robotics education software

Free plan: Yes
Robot simulator: Yes
Coding modes: block
Classroom tools: Yes
Curriculum library: Yes
Supported robots: Arduino Uno, Arduino Nano, Arduino Mega, Bionics Kit, Bionic Flower, B•O•B•3, Bot’n Roll, Calliope mini, Edison, Joy-Car, LEGO Mindstorms EV3, LEGO Mindstorms NXT, mBot, mBot 2, micro:bit, NAO, ROB3RTA, Robotino, senseBox, LEGO SPIKE Prime, LEGO Robot Inventor, Thymio, fischertechnik TXT 4.0 Controller, LEGO WeDo 2.0
Learner level: mixed
Supported platforms: Web browser on PC, Mac or tablet; iOS and Android mobile app

Best Open Roberta Lab alternatives

See all 20

Two bars mBlock Free tier No. 1Free6.8 Two bars PictoBlox Free tier No. 2Free6.8 Two bars Ozobot Classroom Free tier No. 3Free6.7 Two bars Sphero Edu Free tier No. 4Free6.7 Two bars True Robotics Playground Free tier No. 5Free6.7 Two bars VEXcode Free tier No. 6$16.58/mo6.7

The record

Purpose: Open Roberta Lab is an online programming environment for robots and microcontrollers, aimed at helping people learn programming.
Visual programming: NEPO is a graphical, block-based programming language that users assemble with drag and drop.
Hardware support: The Lab supports multiple robot and hardware systems, including LEGO Mindstorms EV3, Calliope mini, and NAO.
Simulation: The Open Roberta Sim lets users program virtual robots when they do not have hardware available.
Neural networks: The Lab includes an integration for creating and using artificial neural networks in NEPO programs.
Browser access: The platform can be used without installation from devices with a standard internet browser, including PCs, Macs, and tablets.
Accounts: Users can program without an account, while an account enables saving programs and settings for later use in the Lab.
Sharing limit: Sharing programs with others or publishing them in the gallery requires a verified account with an email address.
Privacy and hosting: The privacy information says the website is hosted on Fraunhofer IAIS servers in Germany and personal data are not transferred outside the EU.
Data retention: The privacy information says visitor IP addresses are automatically deleted from server log files after 30 days.
Support: The maker directs users to its Wiki and FAQ and offers email support for questions that remain unresolved.
Intended users: The Roberta initiative describes its aim as engaging children, young people, trainees, and employees with STEM topics and technology.
Price from: Free

Where it ranks on Freedom251

Best Robotics Education Software in 2026#9 of 26

Is Open Roberta Lab yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote Open Roberta Lab

Sources

open-roberta.org/about/· checked 3 Oct 2026
open-roberta.org/features/· checked 3 Oct 2026
roberta-home.de/fileadmin/user_upload/Open_Roberta_xNN_· checked 3 Oct 2026
roberta-home.de/lab/faq-open-roberta-lab· checked 3 Oct 2026
roberta-home.de/en/privacy-policy-open-roberta-lab/· checked 3 Oct 2026