Excalidraw is described as 'Open-source whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them. Available directly online as a web app and also through CodeSandbox to easily see how the code works, and the app vailable for self-hosting' and is a very popular Diagram Editor in the photos & graphics category. There are more than 100 alternatives to Excalidraw for a variety of platforms, including Web-based, Windows, Mac, Linux and SaaS apps. The best Excalidraw alternative is draw.io, which is both free and Open Source. Other great apps like Excalidraw are Xournal++, LibreOffice - Draw, Miro and Dia.
Kinopio is a visual thinking tool for new ideas and hard problems. Used for note taking, planning, journaling, and diagramming – by yourself or collaboratively.
Canada
Instead of starting with a blank screen, SmartDraw gives you the exact template you need. Then use simple commands to add your information and SmartDraw does the rest. There's no other drawing software like it.
United States
Heimer is a desktop application for creating mind maps and other suitable diagrams. It's written in Qt and targeted for Linux and Windows.
Jamboard is a creative collaboration experience that helps bring your team's ideas to life. The app offers distinct features based on the device you're using.
United States
Web-based diagram platform offers real-time teamwork, 50+ diagram and mind mapping types, technical wireframing, smart objects, templates, version control, secure cloud storage, PDF export, collaboration tools, commenting, and integration for business and education use.
Australia
Draw, part of the Apache OpenOffice suite, is a graphics editor that gives you the tools to communicate with visuals and diagrams. With a maximum page size of 300cm by 300cm, Draw is powerful tool for posters, graphs, charts, and more.
United States
Grafio allows you to make flow charts, org charts, Venn diagrams, mind maps, take notes, sketches and do other diagrams. Everything is custom and modifiable.
United Kingdom
"If they could see what Im thinking, they'd get it!" People just understand faster with pictures. It helps them see how information is connected, whether it is complete, and how a shift in one element impacts something else.
United States
SpeedyNote is a fast, open-source note-taking application designed for stylus users who need iPad-quality annotation on budget hardware. Built with native C++ and Qt, it delivers 360Hz stylus input on hardware as modest as an Intel Celeron N4000 at 1.
EDGE Diagrammer is a diagramming tool for creating various types of diagrams including block diagrams, flowcharts, and organizational charts. It automatically connects lines to figures, adjusts when objects are moved, and modifies shape size when text is added.
United States
Design flowcharts, UML, Venn, and mind map diagrams with customizable templates, varied symbols, shapes, connector styles, overlapping sheet support, and intuitive drag-and-drop editing. Export visuals as images, edit multiple diagrams, and organize complex data visibly.
Australia
