The ciano is a multimedia converter for all the format you need.
Stellarium
Stellarium is a free open source planetarium for your computer.
剪輯抓圖
ClipGrab is a free downloader and converter for YouTube, Vimeo, Facebook and many other online video sites.
錄音機
This amazing program allows you to record your favourite music and audio to a file.
KStars
KStars is a Desktop Planetarium by KDE. It provides an accurate graphical simulation of the night sky, from any location on Earth, at any date and time.
時間移位
System restore tool for Linux. Creates filesystem snapshots using rsync+hardlinks, or BTRFS snapshots.
塞莱斯蒂亚
Celestia – real-time 3D visualization of space
克登利夫
Kdenlive係KDE Non-Linear Video Editor嘅首字母縮寫。 它主要針對GNU/Linux平台，但也適用於BSD同MacOS。