additions from backlog

tools/backlog.txt

@@ -36,10 +36,12 @@ http://openapoc.pmprog.co.uk/
 http://pathfinder.wikia.com/wiki/Pathfinder_Roleplaying_Game
 http://phaser.io/
 http://playir.com/
-http://plib.sourceforge.net/
-http://psyco.sourceforge.net/
 http://pyglet.org/
 http://pyopengl.sourceforge.net/
+https://appimage.github.io/categories/Game
+https://github.com/gnFur/Monofoxe
+https://github.com/moonwards1/Moonwards-Virtual-Moon
+http://pypy.org/
 http://rcbasic.com/
 http://retrospec.sgn.net
 http://sam.zoy.org/monsterz/
@@ -157,13 +159,10 @@ https://freegamer.blogspot.com (maybe there is something interesting)
 https://futurepinball.com/
 https://gamejolt.com/ (search there)
 https://gdevelop-app.com/
-https://github.com/anura-engine/anura
+https://github.com/amerkoleci/Vortice.Windows
 https://github.com/ao-libre/ao-cliente
 https://github.com/atphalix/nexuiz
 https://github.com/azhirnov/FrameGraph
-https://github.com/bitcraft/pyscroll
-https://github.com/bitcraft/PyTMX
-https://github.com/born2snipe/flixel-gdx
 https://github.com/bsmr-games (also contains copies)
 https://github.com/CatacombGames/
 https://github.com/Chluverman/android-gltron
@@ -176,8 +175,6 @@ https://github.com/collections/tools-for-open-source (maybe we can apply some)
 https://github.com/collections/web-games (only OS)
 https://github.com/Cortrah/SpaceOperaDesign, https://github.com/Cortrah/SpaceOperaRuby/blob/master/design/turnstyles.md
 https://github.com/cping/LGame
-https://github.com/crosire/reshade
-https://github.com/crossuo/crossuo
 https://github.com/DaanVanYperen/artemis-odb-contrib
 https://github.com/DeflatedPickle/FAOSDance
 https://github.com/Donerkebap13/DonerComponents
@@ -190,9 +187,11 @@ https://github.com/fallahn/xygine
 https://github.com/fegennari/3DWorld
 https://github.com/flathub (all repositories which are games there)
 https://github.com/FUSEEProjectTeam/Fusee
+https://github.com/fynnfluegge/oreon-engine
 https://github.com/gamearians
 https://github.com/GamedevFramework/gf
 https://github.com/grantjenks/free-python-games (check all)
+https://github.com/Hotride/OrionUO
 https://github.com/hparcells/cards-against-humanity
 https://github.com/i42output/neoGFX
 https://github.com/id-Software
@@ -200,6 +199,7 @@ https://github.com/JohanLi/uncharted-waters-2
 https://github.com/junkdog/artemis-odb
 https://github.com/LgLinus/StrategyGame
 https://github.com/libretro/libretro-prboom
+https://github.com/ligurio/awesome-ttygames
 https://github.com/MarcoLizza/tofu-engine
 https://github.com/mewo2/terrain
 https://github.com/morganbengtsson/mos
@@ -216,6 +216,7 @@ https://github.com/pld-linux
 https://github.com/pld-linux/nexuiz/blob/master/nexuiz.spec
 https://github.com/psuong/ig-developer-console
 https://github.com/qiciengine/qiciengine
+https://github.com/Renanse/Ardor3D
 https://github.com/rizwan3d/MotoGameEngine
 https://github.com/rlguy/FantasyMapGenerator
 https://github.com/RoxasShadow/Sottaceto
@@ -234,6 +235,7 @@ https://github.com/Tinob/Ishiiruka (https://github.com/shiiion/Ishiiruka, https:
 https://github.com/TomBebb/awe
 https://github.com/Wargus/stratagus
 https://github.com/wesnoth/haldric
+https://github.com/Zal0/ZGB
 https://gitlab.com/LibreGames
 https://gitlab.com/nyov/nyovs-nexuiz
 https://gitlab.com/vgstation/vgstation-old (and vgstation in general)
@@ -381,6 +383,7 @@ https://www.reddit.com/r/opensourcegames/comments/celw6c/top_3_open_source_pinba
 https://www.renpy.org/ (also all projects linked there)
 https://www.scirra.com/construct2
 https://www.tapatalk.com/groups/imperilist/
+https://www.tuxfamily.org/ (if there are games)
 https://www.wurfelengine.net/
 https://wxpython.org/
 https://zope.readthedocs.io/en/latest/