Sayonara is a small, clear and fast audio player for Linux written in C++, supported by the Qt framework. It uses GStreamer as audio backend.
스쳐 날기
Media Player Classic Home Cinema (mpc-hc) is considered by many to be the quintessential media player for the Windows desktop. Media Player Classic Qute Theater (mpc-qt) aims to reproduce most of the interface and functionality of mpc-hc while using libmpv to play video instead of DirectShow.
그놈 연결
A remote desktop client for the GNOME desktop environment
QMPPlay2
QMPlay2 is a video and audio player. It can play all formats supported by FFmpeg, libmodplug (including J2B and SFX). It also supports Audio CD, raw files, Rayman 2 music and chiptunes. It contains YouTube and MyFreeMP3 browser.
카페인
Kaffeine is a media player. What makes it different from the others is its excellent support of digital TV (DVB). Kaffeine has user-friendly interface, so that even first time users can start immediately playing their movies: from DVD (including DVD menus, titles, chapters, etc.), VCD, or a file.
하루나
Haruna is an open source video player built with Qt/QML on top of libmpv.
가격
Pragha is a Lightweight Music Player for GNU/Linux, based on Gtk, sqlite, and completely written in C, constructed to be fast, light, and simultaneously tries to be complete without obstructing the daily work. 
비디오
Also known as Totem, Videos is a movie player designed for GNOME.
GMusicBrowser
A customizable open-source jukebox for large collections
K블록
KBlocks는 고전적인 떨어지는 블록 게임입니다. 아이디어는 떨어지는 블록을 쌓아 틈없이 수평선을 만드는 것입니다. 라인이 완성되면 라인이 제거되고 플레이 영역에서 더 많은 공간을 사용할 수 있습니다. 블록이 떨어질 공간이 충분하지 않으면 게임이 종료됩니다.