Heuristica is an AI-powered knowledge exploration tool that uses concept maps to supercharge your learning and research. Heuristica’s mindmap-like interface allows you to visualize and explore all aspects of your research subject.




The best free alternative to Miro is draw.io, which is also Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Miro and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Miro are Excalidraw, AFFiNE, DeepNotes and Lucidchart.
Heuristica is an AI-powered knowledge exploration tool that uses concept maps to supercharge your learning and research. Heuristica’s mindmap-like interface allows you to visualize and explore all aspects of your research subject.








Mockup redefines the entire process of sketching UI & UX projects for iOS. With the extensive collection of tools and features that Mockup provides, it's the ideal app for brainstorming and planning your next app and web design.




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.


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.




Workshop Weaver is an AI workshop planning tool that helps facilitators and teams design better workshops faster. It comes with a free library of 480+ facilitation methods (Liberating Structures, design thinking, agile retrospectives, and more), downloadable canvas templates...




Ourspace is the collaborative team design canvas that equips tech leaders to make smarter org design decisions with complete context and peer alignment.




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.



A visual thinking tool for working through complex problems — AI helps you break them down or decide, and six top AI models debate the hardest ones together.




Flowsage is a web-based application that simplifies flowchart creation using AI technology, helping you visualize ideas efficiently and intuitively.




For agile teams or individuals looking for a kanban or brainstorming tool. Collaborate in real-time using virtual sticky notes or cards. From mind mapping and free-form to organized grid structures, this is a TODO project management lean tool for any project.




currently the only viable open source collaborative whiteboard tool – if you don't need something as advanced as miro.