Communications and Networking:
Apache
Bitorrent
Bind
Cisco Switch Manager
Cisco VPN clients
djbdns
Firefox
Gaim
Internet Explorer
IPlanet Mail
ICQ
Jabber
Lynx
Mongrel
Net-SNMP
nginx
Outlook/Express
OpenSSL
Pidgin
Safari
SaMBa
Sendmail
Slack
Spamassassin
Transmission
Viscosity
Zoom
Databases and Directories:
BDB
iPlanet Directory Server
MySql/MariaDB
MSSQL
Netscape Directory Server
OpenLdap
Oracle DB
PostgreSQL
SybaseSQL
Business Software:
Microsoft Access
Microsoft Excel
Microsoft PowerPoint
Microsoft Word
Microsoft Works
Open Office
OS and Windowing:
bash, csh, ksh, sh
FreeBSD
Gnome
GNU/Linux on X86
-ArchLinux
-CentOS
-Debian
-Fedora
-Oracle Linux
-Redhat
-RHEL
-Suse (SLES etc.)
-Ubuntu
KDE
Mac OS
MS-DOS
Solaris,
Windows95/98
WindowsNT (3.X, 4.X, 2K ,XP)
Windows Vista
Virtualization:
CloudFoundry
Docker
KVM
OpenVZ/Plesk
OpenStack
Oracle OCI
Proxmoxx
Virtuozzo
VMware/ESX
VirtualBox
Xen
Programming, scripting, macros:
bash, csh, ksh, sh
C
go
Javascript
m4
Perl
PHP
Ruby
Builds and Orchestration
Chef
Circle CI
Jenkins/Hudson
Puppet
Rundeck
TeamCiity
Terraform
Utilities:
APS Utilities
BBEdit
emacs
fdisk
HTML Kit
jEdit
Kaleidoscope
QEMM
QuickKeys
vi
Security/Anti-Virus/Monitoring:
Amavis/Amavisd
Bastille
BigBrother
Bitdefender
Crack
Cybersoft vFind
Ethereal/Wireshark
EtherPeek
ISS
iStumbler
KisMac
Kepass/KepassX
McAfee VirusScan
MRTG
Netcat
Netsaint/Nagios
Nessus
nmap/Xnmap/Zenmap
ntop
phpservermon
pingdom
PuTTY
snort
spamassassin
ssh,ssh2
sudo
Tripwire
Zabbix
File/Version Management:
Artifactory
AutoDesk Vault
Bitbucket
drbd
Git
GitHub/GitHub Enterprise
Perforce
Subversion/SVN
Toast
TortiseSVN
Tripwire
Compression and Decompression:
7-zip
gzip
MS Backup
PKZIP/PKUNZIP
Stuffit Deluxe
tar
uncompress
WinZip
Zip-it
Collaboration and Groupware:
Bugzilla
Confluence
Foswiki
Jira
Jive
Mantis
MediaWIki
Pivotal Tracker
RT Tracker