Similar to Sendmail
Graphviz
Graphviz
GRASS GIS
GRASS GIS
Gretl
Gretl
GROMACS
GROMACS
GStreamer
GStreamer
GThumb
GThumb
GTK (ツールキット)
GTK
H2O (Webサーバ)
H2O (web server)HipHop Virtual Machine
HHVMHTML Tidy
HTML Tidy
Htop
Htop
HTTrack
HTTrack
I3 (ウィンドウマネージャ)
I3 (window manager)
IBus
Intelligent Input Bus
Illumos
IllumosIPodLinux
IPodLinux
Iptables
Iptables
Irssi
Irssi
Kernel-based Virtual Machine
Kernel-based Virtual Machine
メールサーバ
List of mail server software
メール転送エージェント
Message transfer agent
Exim
EximIpswitch IMail Server
Ipswitch IMail Server
MDaemon
MDaemon
Microsoft Exchange Server
Microsoft Exchange ServerMobileimap
XMail
Zimbra
Zimbra