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.
מעדיע פּלייַער קלאַסיש
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.
Gnome Connections
A remote desktop client for the GNOME desktop environment
QMPlay2
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.
קאַפין
קאַפפעינע איז אַ מידיאַ שפּילער. וואָס מאכט עס אַנדערש פון די אנדערע איז די ויסגעצייכנט שטיצן פון דיגיטאַל טעלעוויזיע (DVB). קאַפפעינע האט אַ באַניצער-פרייַנדלעך צובינד, אַזוי אַז אפילו ערשטער מאָל יוזערז קענען אָנהייבן גלייך פּלייינג זייער קינאָ: פֿון DVD (אַרייַנגערעכנט ווי מעניוז, טיטלען, קאפיטלען, אאז"ו ו), VCD אָדער אַ טעקע.
Haruna
Haruna is an open source video player built with Qt/QML on top of libmpv.
פּרייַז
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. 😉
ווידיאס
Also known as Totem, Videos is a movie player designed for GNOME.
GMusicBrowser
A customizable open-source jukebox for large collections
KBlocks
KBlocks is the classic falling blocks game. The idea is to stack the falling blocks to create horizontal lines without any gaps. When a line is completed it is removed, and more space is available in the play area. When there is not enough space for blocks to fall, the game is over.