gtk-gnutella is a server/client for the Gnutella peer-to-peer network.
Ahlukanisa
A PDF optimizer
I-OcenAudio
Easy, fast and powerful audio editor
MultiWriter
Write an ISO file to multiple USB devices at once
NewsFlash
The spiritual successor to FeedReader
IphrojekthiM
The most advanced open-source music visualizer
Video Trimmer
Video Trimmer cuts out a fragment of a video given the start and end timestamps. The video is never re-encoded, so the process is very fast and does not reduce the video quality.
I-Tixati
Tixati is a New and Powerful P2P System
I-UnGoogled Chromium
ungoogled-chromium is Google Chromium, sans integration with Google
I-Piper
Piper is a GTK+ application to configure gaming mice.