QuiteRSS
QuiteRSS is a free and open source, cross-platform software for reading RSS/Atom news feeds
RSS Guard
RSS Guard is a free and open source, simple but powerful news feed reader with support for web services
Raven Reader
Raven Reader is a free and open source, multi-platform and simple news reader
GNOME Calculator
GNOME Calculator is a free and open source, simple yet powerful calculator with advanced, financial, and programming modes
Winds
Winds is a free and open source RSS aggregator, a software for searching and listening to podcasts
Fluent Reader
Fluent Reader – free and open source cross-platform modern desktop RSS reader
LosslessCut
LosslessCut – free and open source, simple and ultra fast cross platform tool for lossless trimming/cutting of video and audio files
NewsFlash
NewsFlash is a free and open source RSS reader client with the ability to sync with third-party services
FlareGet
FlareGet – free and multi platform full featured, multi-threaded download manager and accelerator
JDownloader
JDownloader is a free and open source, multi-platform download manager that allows you to download files from file sharing sites and other services