A free, cross-platform CAD program for designing virtual LEGO models, built on the LDraw parts library.
2.9K+3 this week258C++No licenseWell maintainedUpdated yesterday
1 alternative
Best open-source alternatives to LEGO Digital Designer (2026)
Looking for a free, open-source alternative to LEGO Digital Designer? These 1 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| leozide/leocad | ★ 2.9K | No license | yesterday |
FAQ
- Is there a free, open-source alternative to LEGO Digital Designer?
- Yes. The most popular open-source alternatives to LEGO Digital Designer on Repolode are leocad.
- Which LEGO Digital Designer alternative should I choose?
- leocad has the most GitHub stars and is released under No license. Compare the license and last commit of each option in the table above before choosing.
How this list is made: AI reads each project's documentation to match it with products it can replace, every project passes our quality screening, and the list is ranked by GitHub stars. Stars updated Nov 6, 2026. How Repolode works