Hu Zheng:
www.huzheng.org
StarDict
ReciteWord
yqpim
linfeng


News:
www.solidot.org
www.oschina.net
distrowatch

OS:
www.kernel.org
www.debian.org
www.deepin.org
endeavouros.com
archlinux.org
www.archlinuxcn.org
Minix3
reactos.org
freedos.org
freebsd
netbsd
openbsd
ghostbsd
dragonflybsd

Gui:
www.gtk.org
qt
minigui

Desktop:
GNOME
KDE
enlightenment
mate
xfce

Games:
linuxgame.cn

Progamming language:
rust
python

Software:
FireFox
Chrome
eclipse
virtualbox
gimp
krita
Evolution
pidgin
compiz

Tools:
xfburn
k3b
UGet
MultiGet
gparted

Format:
png

Compress:
7z
lzo
www.zlib.net
zlib-ng
zstd
zstd 2
zstd-rust
www.gzip.org
pigz
peazip
bzip2
lz4
lz
xz
xz website
ncompress Z

Games:
wesnoth
0ad
redeclipse
OpenHV
chromium-bsu
ioquake3
OpenArena
Q3Rally
AlienArena
megaglest
nexuiz
rexuiz
xonotic
extremetuxracer
supertuxkart
teeworlds
hedgewars
Smokin'Guns
Crispy Doom
mars-game
Quetoo
viewizard
Armagetron
Unvanquished
Urban Terror
tremulous
Tux Typing
FreeCS
AssaultCube
Hexen II: Hammer of Thyrion
quakespasm
Cube 2: Sauerbraten
BZFlag
Warzone 2100

People:
stallman.org

Others:
dictd
www.mamedev.org