- 30 Digits Web Extractor
- 3D-JIGSAW
- 3DT
- 3D Movie Maker
- 64 Studio
- 7-Zip
- 7z
- ABC
- AEPro
- AMSN
- AOL Instant Messenger
- AOpen
- APPEND
- AROS
- ATTRIB
- ATY
- AbiWord
- Access Control List
- Accessibility
- Adium
- Adobe Acrobat Dictionary
- Adobe Acrobat Transcoder
- Adobe Application Manager
- Adobe Gaming SDK
- Adobe LiveCycle Anime Editor
- Adobe Photoshop
- Adobe Photoshop Elements
- Adobe Playpanel
- Adobe Premiere Standard
- Adobe Reader
- Adobe Reader Lite
- Adventure Game Studio
- Alchemy
- Amarok
- Amaya
- AmigaOS
- AnalogBox2
- Andrew File System
- Android
- Angel Writer
- Antonio jose
- AnyBurn
- Apache HTTP Server
- Apatar
- Apophysis
- Application Programming Interface
- Aptosid
- Arch
- Arduino
- ArtRage
- AtheOSFS
- Atlantis
- Audacity
- AutoKey
- Autodesk Mobile
- Autorun MAX!
- Avant Browser
- Avidemux
- AxCrypt
- BAT
- BGB
- BSD
- Banshee
- Base
- BeOS
- Be File System
- Berkeley Software Distribution
- BibleTime
- Billease
- Billease/Help
- Bio7
- BitPim
- Blender
- BlueGriffon
- BlueJ
- Blue Board
- Breadbox Ensemble
- Bulk Rename Utility
- Bullzip PDF Printer
- Burn4Free
- CAB
- CALL
- CD Command
- CDex
- CFL dinner
- CHCP
- CHKDSK
- CHOICE
- CLS
- CMD
- COM
- COMMAND
- COMMAND.COM
- COPY
- CP/M
- CPL
- CPUID
- Calc
- Calculator
- Camino
- Catalog Database Service
- Celerity BBS
- ChatZilla
- Chromium OS
- CinePaint
- Clink
- CoWiki
- CodeBlocks
- CometVisu
- Compact Disc File System
- Comparison of JavaScript-based source code editors
- Console
- Contiki
- Control Panel
- Cornice
- CrushFTP Server
- Cryptographic Services
- DATE
- DC++
- DEBUG
- DELTREE
- DHCP Client
- DIR
- DISKCOPY
- DOC
- DOT
- DRIVPARM
- DRM
- DVD43
- DVD Flick
- DVD Shrink
- DVD to iPad Converter
- Damn Small Linux
- Darwin
- Debian
- Deep Exploration
- Derive
- DesktopBSD
- Dev-C++
- Developer
- Development Status
- Directory
- Directory Opus
- Distribution
- Ditto
- Docky
- DokuWiki
- DoubleSpace
- DoubleTwist
- DragonflyBSD
- Draw
- DriveGuard
- Drive Letter
- Driver
- Driver Development Kit
- Droid Explorer
- Drupal
- Dwm
- EDLIN
- ESyPred3D
- EXE
- EXIT
- EXPAND
- Ecco Pro
- Eclipse
- Emacs
- English Kiddies
- Epiphany
- ErfurtWiki
- EverNote
- Exaile
- Extended File System
- EyeOS
- F-Spot
- F.lux
- FAT12
- FAT16
- FAT32
- FAT32 Structure Information
- FATX
- FDISK
- FFmpeg
- FFplay
- FIND
- FORMAT
- Fedora
- Ffdshow
- FileZilla
- FileZilla Server
- File Allocation Table
- File Extension
- Filesystem
- FireTorrent
- First Boot
- FlPhoto
- FlexWiki
- FlightGear
- Flipaclip
- Flock
- Floppy Office
- FontForge
- Foobar2000
- Force Driver Recompression
- FrEee
- FreeBSD
- FreeDOS
- FreeSmith Video Player
- FreeWin95
- Freedows
- Frets On Fire
- Frozen Bubble
- Funny Photo Maker
- Fusion 360
- GIMP
- GLabels
- GNOME
- GNOME Do
- GNU
- GOM Player
- GRAFTABL
- GUI
- Gadwin PrintScreen
- Gameplay Mode
- Gedit
- GeoGebra
- Gigabyte
- Google Chrome
- Google Docs
- Google Earth
- Google Talk
- HAL
- HELP
- HFS+
- Haiku
- Help and Support
- Hierarchical File System
- High Performance File System
- Hotfix
- Hydrogen
- ICO
- IF
- IMO
- INF
- INI
- Icarus Verilog
- IceChat
- Ikiwiki
- Impress
- InfraRecorder
- Inkscape
- InstallGuard
- Installable File System
- Instiki
- Internet Explorer
- Internet Explorer 3.0
- Internet Explorer 4.0
- Internet Explorer 7.0 Beta 1
- Internet Explorer Core
- Internet Information Services
- Ion
- IrfanView
- JBrout
- JEdit
- JMoney
- JSPWiki
- Java
- Journaled File System
- K-Meleon
- KEYB
- KTooN
- Kahootz
- Kate
- KauCom
- KeePass
- KeyNote
- Key Service
- Kilobit
- Knoppix
- KompoZer
- Konqueror
- LABEL
- LG ThinQ
- Launchy
- Lazarus
- LibreOffice
- Linux
- LinuxMCE
- Linux Mint
- List of Filesystems
- List of build automation software
- Lobo
- Logisim
- Longhorn Desktop Manager
- MD
- MEPIS
- MIRC
- MKVToolNix
- MODE
- MOVE
- MP3
- MPEG
- MPEG-1
- MPEG-2
- MPEG-4
- MS-DOS
- MS-DOS 1.00
- MS-DOS 2.00
- MS-DOS 3.00
- MS-DOS 3.10
- MS-DOS 3.20
- MS-DOS 3.21
- MS-DOS 3.30
- MS-DOS 3.31
- MS-DOS 4.00
- MS-DOS 4.01
- MS-DOS 5.00
- MS-DOS 5.00A
- MS-DOS 6.0
- MS-DOS 6.00
- MS-DOS 6.20
- MS-DOS 6.21
- MS-DOS 6.22
- MS-DOS 7.00
- MS-DOS 7.10
- MS-DOS 8.00
- MSCONFIG.EXE
- MSI Factory
- MSN Explorer
- MSN Messenger
- MSN Passport
- Mac OS
- Mac OS X
- MalwareGard
- Manual Install
- Mapivi
- Markdown
- Master Boot Record
- Math
- Maxthon
- MediaWiki
- Media Player Classic
- Megabit
- Megabyte
- MenuetOS