Best Open-Source Prototyping & Wireframing

6 tools found

Excalidraw

Excalidraw is an open-source virtual whiteboard for sketching architecture diagrams and wireframes with an open JSON format and real-time collaboration.

135.1kWebLinuxmacOStoday

MITPrototyping & Wireframing

tldraw

tldraw is an open-source infinite canvas SDK and self-hosted whiteboard that replaces proprietary wireframing tools with full DOM and data control.

51.2kWebtoday

Apache-2.0Prototyping & Wireframing

OpenPencil

OpenPencil is an open-source Figma alternative that opens .fig files locally, offering vector canvas editing and built-in AI without subscriptions.

9.6kLinuxmacOSWindowstoday

MITPrototyping & Wireframing

Wireflow

Wireflow is an open-source alternative to Balsamiq Wireframes that simplifies user journey mapping with pre-built screen cards and real-time collaboration.

4.2kLinuxmacOSWindows2d ago

MITPrototyping & Wireframing

UI Builder

UI Builder creates real-time, event-driven web dashboards for Node-RED, replacing static mockups with live WebSocket-connected controls and sensor dials.

1.4kWeb1y ago

Apache-2.0Prototyping & Wireframing