Freeplane is an application for mind mapping, knowledge management, and project management, enabling effective organization and communication of ideas.
Windows
Heimer is a simple cross-platform mind map, diagram, and note-taking tool written in Qt.
A cross-platform color picker and palette generator for designers and developers.
Tilf (Tiny Elf) is a free pixel art editor for creating sprites, icons, and 2D assets with drawing tools and export options.
Tahoma2D is a free and open-source software for 2D and stop motion animation.
Synfig Studio is a free and open-source 2D animation software.
TiXL is an open source software to create realtime motion graphics.
Open-source full-featured 2D animation creation software.
Pixelorama is an open-source pixel art editor for creating sprites, tiles, and animations across Windows, Linux, macOS, and web.
A command line toolkit to generate maps, point clouds, 3D models and DEMs from drone, balloon or kite images.