The best open source alternative to Tldraw is Excalidraw. If that doesn't suit you, we've compiled a ranked list of other open source Tldraw alternatives to help you find a suitable replacement. Other interesting open source alternative to Tldraw is Penpot.
Tldraw alternatives are mainly Online Design Tools but may also be Collaborative Workspaces or Whiteboarding Tools. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Tldraw.
Excalidraw is a virtual whiteboard tool that allows teams to easily create and share sketches with a unique hand-drawn aesthetic.

Excalidraw offers a simple yet powerful virtual whiteboarding experience. Its standout feature is the hand-drawn aesthetic that gives your diagrams and sketches a more natural, approachable look.
Key benefits include:
Whether you're brainstorming ideas, creating flowcharts, or designing user interfaces, Excalidraw provides a flexible canvas for your creativity. The hand-drawn style adds a unique charm to your work, making it perfect for presentations, documentation, or quick visual explanations.
With its focus on simplicity and collaboration, Excalidraw is an excellent choice for teams looking to enhance their visual communication and ideation processes.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
Versatile design and prototyping platform for teams. Create, collaborate, and bring your ideas to life with powerful vector editing tools.

Penpot is a game-changing design and prototyping platform that empowers teams to create stunning designs with unparalleled flexibility. Built on open-source principles, Penpot breaks down barriers between designers and developers, fostering seamless collaboration.
Key benefits of Penpot include:
Penpot's intuitive interface combines the familiarity of popular design tools with innovative features that streamline your workflow. From rapid prototyping to pixel-perfect designs, Penpot has you covered. Experience the future of design collaboration with a tool that speaks both designer and developer languages fluently.