Markdown WYSIWYG Editor. GFM Standard + Chart & UML Extensible
Open source PDF editor
A pleasant note-taking platform in native C++
Flexible level editor
Third-party TI-84 Plus CE / TI-83 Premium CE emulator
Open source plain text editor designed for writing novels
C++ Qt ORM (Object Relational Mapping) and ODM library
Audio Tag Editor
An integrated writing environment for creating LaTeX documents
Shotcut is a free, open source, cross-platform video editor.
an Open Source BPMN 2.0 / DMN 1.1 Modeler
Cross-platform text and code editor
Graphical editor software for many Boss and Roland effect & synth unit
Python Development Environment with all batteries included
Final Fantasy 7 Save Editor
Final Fantasy VIII Save Editor
Simple XML editor and XSD viewer
View and edit DICOM tags (Windows & Mac & Linux)
2D molecule editor
General purpose tile map editor
A Editor for Minecraft NBT files