Looking to replace Visio? These open source alternatives give you the same core workflow without the lock-in - free to use, often self-hostable, and auditable on GitHub. Compare licenses, languages and project activity, then switch on your own terms.
LibreCAD is a 2D CAD program for creating and editing technical drawings. Based on the community edition of QCAD and built on the Qt framework, it runs as a desktop application on most operating systems, with a highly customizable interface translated into more than 30 languages.
DesktopNaotu is a localized desktop version of Baidu Mind Mapping. It lets you build and edit mind maps with no internet connection, so the tool stays usable in offline or local-only environments.
QCAD is a 2D CAD application for Windows, macOS, and Linux, built for creating and editing technical drawings. It reads and writes the DXF format natively, with optional DWG support available through a separate proprietary plugin.
Heimer is a desktop application for creating mind maps, diagrams, and note-taking layouts. It is written in Qt and targets Linux and Windows, with an easy-to-use interface for arranging nodes and labels.
VYM (View Your Mind) is a mind mapping application for visualizing thoughts in tree-like structures. The same maps also work for time management, self-organization, and sorting through new ideas and complex contexts.
