The ciano is a multimedia converter for all the format you need.
Stellarium
Stellarium is a free open source planetarium for your computer.
Easystroke
ClipGrab is a free downloader and converter for YouTube, Vimeo, Facebook and many other online video sites.
Perakam audio
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.
Peralihan masa
System restore tool for Linux. Creates filesystem snapshots using rsync+hardlinks, or BTRFS snapshots.
Celestia
Celestia – real-time 3D visualization of space
Kdenlive
Kdenlive is an acronym for KDE Non-Linear Video Editor. It is primarily aimed at the GNU/Linux platform but also works on BSD and MacOS.