XnSketch
XnSketch is a free and open source program for turning photos into cartoon or sketch images
Oh My SVG
Oh My SVG is a free and open source software for convert unoptimize SVG files into smaller versions
Kindle Comic Converter
Kindle Comic Converter is a free and open source application for converting PNG, JPG, GIF, CBZ, CBR and CB7 to EPUB or MOBI format ebooks
Fontmatrix
Fontmatrix is a free and open source simple font management application
ParaPara
ParaPara is a free and open source, lightweight image viewer with three display modes: single, spread, and continuous
Font Manager
Font Manager is a free and open source simple font management application for GTK+ desktop environments
Seafile Client
Seafile Client is a free and open source Seafile desktop client for file synchronization and sharing
AppImagePool
AppImagePool is a free and open source simple, modern AppImageHub client