The open-source source code of the Windows Calculator app, a C# and C++ UWP app that ships with Windows 11.
31.1K5.8KC#MITUpdated 15 days ago
2 alternatives
2 best open-source alternatives to Windows Calculator (2026)
Looking for a free, open-source alternative to Windows Calculator? These 2 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 |
|---|---|---|---|
| microsoft/calculator | ★ 31.1K | MIT | 15 days ago |
| Qalculate/qalculate-qt | ★ 604 | GPL-2.0 | 15 days ago |
Qt graphical front end for Qalculate!, a cross-platform desktop calculator with units, symbolic math, and currency conversion.
60465C++GPL-2.0Updated 15 days ago
FAQ
- Is there a free, open-source alternative to Windows Calculator?
- Yes. The most popular open-source alternatives to Windows Calculator on Repolode are calculator, qalculate-qt.
- Which Windows Calculator alternative should I choose?
- calculator has the most GitHub stars and is released under MIT. 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 7, 2026. How Repolode works