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.
Eraser is an all-in-one ideation tool for distributed teams. Eraser allows users to communicate ideas at the speed of thought using a markdown note editor, a lightweight canvas. Use Eraser for brainstorming, diagramming, wireframing, and interviewing!
FigJam is an online whiteboard from Figma, made for designers to ideate and brainstorm with their extended teams. It’s for defining user problems, looking for inspiration, and exploring ideas.
United States
Vecta is a cloud-based collaborative diagramming tool that boosts productivity and increase effectiveness for team communication.
WBO is an online collaborative whiteboard that allows many users to draw simultaneously on a large virtual board. The board is updated in real time for all connected users, and its state is always persisted.
France
EU
Lightweight, powerful, easy to use, UML tool
Software Ideas Modeler is a lightweight and powerful CASE tool. It supports UML 2.2 diagrams and a lot of other ones. Software Ideas Modeler is freeware (for non-commercial use). Commercial user may use this software only after buying.
SlovakiaEU
xnotes is a handwriting-first notebook for phones and tablets, built for pen and stylus. Write, sketch and annotate with pressure-sensitive, variable-width ink, and nothing you draw is ever flattened.
India
Scapple is an easy-to-use tool for getting ideas down as quickly as possible and making connections between them. It isn’t exactly mind-mapping software—it’s more like a freeform text editor that allows you to make notes anywhere on the page and to connect them using straight...
United Kingdom
A online collaborative whiteboard without the learning curve. It's super easy to use, allows your team to collaborate with anybody within or outside of your organization. Never lose a board again, organize your teams in workspace, products. Free Plan.
Grapholite is a powerful online solution for the creation of flowcharts, org charts, mind maps, Venn charts, web site structures, etc. Can be used online and offline
Ukraine
Moredraw is a thought recording whiteboard with multiple types of nodes built in, including flowcharts, mind maps, pictures, notes, videos, to-do lists, charts, etc. Any node can be linked to help you organize your thoughts.
Zunoy FreeWhiteBoard is a whiteboard that you can use right in your browser. It lets you draw ideas create diagrams and work with others in real time. You do not need to install anything to start using it.
India
The minimalistic online drawing app. It allows you to create visual notes (drawings) and organize them in the nested "drawing inside the drawing" structure for faster lookup. Allows creating fast sketches and visual notes. Exports sketches to PNG, JPG, SVG, and WEBP.
Ukraine
