velxio
The premium Open Source alternative to Wokwi
🎯 Best for:Educators and hobbyists needing a free, open-source hardware simulation tool.
What is velxio?
A web-based simulator for Arduino and electronic circuits that allows for code testing without physical hardware. It provides a visual environment for prototyping, debugging, and learning embedded systems development.
Tech Stack
TypeScriptLow-Code & Builder
Why velxio?
- • No hardware required for testing
- • Visual circuit assembly
- • Instant code execution
Limitations
- • Limited component library
- • Simulation timing accuracy
- • Early stage development
3/14/2026
Last Update
7
Forks
16
Issues
Other
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to velxio instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Wokwi)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%