Compare the best free and open-source alternatives to Balsamiq Wireframes — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.
Curated by open-source.store · Updated November 2026 · 4 alternatives
| Tool | License | Platforms | Self-hosted | |||
|---|---|---|---|---|---|---|
| 135,097 | MIT | WebLinuxmacOSWindows | Yes | Nov 2026 | Visit | |
| 51,207 | Apache-2.0 | Web | Yes | Nov 2026 | Visit | |
| 4,172 | MIT | LinuxmacOSWindowsDocker | Yes | Nov 2026 | Visit | |
| 531 | MIT | Web | No | Oct 2020 | Visit |
Excalidraw is an open-source virtual whiteboard for sketching architecture diagrams and wireframes with an open JSON format and real-time collaboration.
vs Balsamiq Wireframes: a free, open-source option you fully control, licensed MIT.
Quick Mockup is a free, MIT-licensed browser-based wireframing tool: drag-drop UI elements, no account, no cloud upload required.
vs Balsamiq Wireframes: a free, open-source option you fully control, licensed MIT.