Trimage is a cross-platform GUI and command-line interface to optimize image files for websites, using optipng, pngcrush, advpng and jpegoptim, depending on the filetype (currently, PNG and JPG files are supported). It was inspired by imageoptim. All image files are losslessy compressed on the highest available compression levels, and EXIF and other metadata is removed. Trimage gives you various input functions to fit your own workflow: A regular file dialog, dragging and dropping and various command line options.
Subtitle Composer
An open source text-based subtitle editor that supports basic and advanced editing operations, aiming to become an improved version of Subtitle Workshop for every platform supported by Plasma Frameworks.
Rhythmbox
Rhythmbox is a music playing application for GNOME.
pub
Feeds is a minimal RSS/Atom feed reader built with speed and simplicity in mind.
pdf2png
Convert PDF books to multiple images in various image formats.
Krop
krop is a simple graphical tool to crop the pages of PDF files.
Avidemux
Avidemux is a free video editor designed for simple cutting, filtering and encoding tasks.
PDFslicer
A simple application to extract, merge, rotate and reorder pages of PDF documents
Olivia
Elegant music player for LINUX
Manuskript
Open-source tool for writers