Apps similar to Miro include draw.io, which is free and open source. Other options are Excalidraw, AFFiNE, DeepNotes and Lucidchart. There's no shortage of Whiteboards like Miro, with more than 100 alternatives for the web, Mac, Windows, iPad and iPhone.
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.
Slovakia
EU
Perspectives.pm is a cloud platform using mindmaps and graph technologies to make project management more intuitive and visual.
Noteey is All-in-one Visual Note-taking App that transforms how you organize and connect your ideas. Offline, secure, and fast.
DEON is a cross-platform zoomable desktop for Windows with realtime collaboration features over IP Networks and thus, is the new project software. The platform integrates with a rapidly growing number of systems and formats.
GermanyEU
Allo is the online workspace for visual collaboration and teamwork for remote teams. With our interactive and visual workspace teams can collaborate over, notes, design, sketches, tasks, processes, and work.
United States
IngaBoard is a minimalist, keyboard-driven application that turns fragments of "Cause and Effect" into structured Directed Acyclic Graphs (DAG) instantly. No manual boxes, no dragging lines. By stripping away superficial decoration, we reveal the inherent beauty of structural truth.
Japan
Designed for software developers, Ballistic helps you organize your thoughts, information, notes and code snippets, so you never have to step outside of your dev workflow.
Mindmapping made simple: Host and create your own mindmaps. Share your mindmap sessions with your team and collaborate on mindmaps.
Ziteboard is a zoomable online whiteboard with realtime collaboration for tutoring. Explain, sketch, teach anything.
Dezy It is a powerful yet super easy-to-use online collaboration tool that lets you run Design Sprints, sketch and review in one place.
Apple Vision like gesture controls meet ChatGPT in an app to explore knowledge that doesn't require a headset or downloads. You just need a modern device with a webcam.
Database design software for software engineers. Reads your live PostgreSQL, Supabase, MySQL, MariaDB, SQL Server or SQLite database, gives your AI agent a local MCP server, and shows each schema migration's impact before it runs. Diagrams are JSON in Git. One-time purchase.
