Odamex
Aug 4, 2017 - v0.7.git-041217.8Game/ActionGame
Oolite
Nov 12, 2017 - v1.86.0.19Game/Simulation
Open City
Jan 2, 2015 - v0.6.4.01Game/StrategyGame
OpenRA
Oct 20, 2017 - v1.0.0.05Game/StrategyGame
OpenSCAD
Jun 18, 2013 - v2013.06.0.1multiple
Opsu!
Oct 23, 2017 - v0.16.0.11Game/ActionGame
Origami (scene intro)
Apr 23, 2016 - v1.0.0.2AudioVideo/Player
Pale Moon
Mar 17, 2018 - v27.8.1.33Network/WebBrowser
Pandora Model Check
May 18, 2014 - v1.6.1.7System
Pinta - Paint Easy
Jul 15, 2016 - v1.7.0.04Graphics/RasterGraphics
PockEmul
Apr 21, 2016 - v1.4.1.1Game/Emulator
PokerTH
Dec 14, 2011 - v0.8.3.2Game/CardGame
PortaBase
Aug 21, 2012 - v2.0.0.1Office/Database
Possible Worlds
Dec 2, 2015 - v1.1.0.01Game/ActionGame
Powermanga
Jun 15, 2014 - v0.91.0.1Game/ActionGame
PySolFC
May 19, 2013 - v1.0.0.2multiple/CardGame
QCAD
Sep 9, 2016 - v3.15.5.02Graphics/VectorGraphics
QjackCtl
Jul 15, 2017 - v0.4.5.1Audio
Qsampler
Nov 8, 2016 - v0.4.1.0Audio/Midi
Raptor: Call of the Shadows
Dec 14, 2023 - v1.2.0.3Game/ActionGame
Ratcatcher
Unrated.
Apr 29, 2020 - v1.0.0.1Game/ArcadeGame
ReactOS
May 21, 2014 - v1.0.0.1System/Emulator
Regina ReXX
Unrated.
Aug 18, 2012 - v3.6.1.1Development
Robin Hood Demo
Unrated.
Mar 27, 2020 - v1.0.0.01Game/StrategyGame
RVGL
Jul 22, 2018 - v18.0514a.0.11multiple/multiple