More Computers and Stuff

More and more stuff than before
Full of computers, disk images, abandonware, and more.

Dosbox for running old incompatible applications and Operating Systems.

Basilisk II or SheepShaver for running old Macintosh software.

AppleWin for running Apple ][, ][ plus, or //e applications.

Kegs32 for running Apple ][gs applications.

Microsoft Virtual PC 2007, VMWare, VirtualBox, QEMU, and Bochs for running old versions of Windows, Linux, OS/2, BeOS, QNX, Solaris, GeoWorks Ensemble, and more.

Mini vMac for running Mac Plus, SE, Classic applications.

WinUAE for running Commodore Amiga software.

WinVICE for running Commodore PET, CBM, VIC 20, 64, 128, Plus 4 programs.

Mac OS

1.0 Macintosh 128k and Lisa II with MacWorks
1.1
2.0
2.1
3.0 Macintosh Plus
3.1
3.2
3.3
3.4 Macintosh 512KE Workstation
4.0
4.1 Macintosh II and Macintosh SE
5.0
5.1
6.0
6.0.1 Macintosh IIx
6.0.2
6.0.3 Macintosh IIcx
6.0.4 Macintosh Portable and Macintosh IIci
6.0.5 Macintosh IIfx
6.0.6 Unreleased
6.0.7 Macintosh LC, IIsi, and Classic
6.0.8
6.0.8L
7.0
7.0.1 Macintosh LC II and Quadra
7 Tuner Update for System 7.0 & 7.0.1
7.1
7.1 Pro
7.1.2 Power Macintosh 6100/60
7.1.2P Performa,LC,Quadra 630 Series, Replaced by 7.5
7.5
7.5.1 Actually Called (Mac OS)
7.5.2 First for Power Macintoshes and PowerBooks
7.5.3 Mac OS 7.5 Update
7.5.3L Macintosh Clones Only, such as Motorola Starmax, etc.
7.5.3 R2 Mac OS 7.5.3 Update
7.5.3 R2.1 Only for Macintosh Performa 6400 Series.
7.5.4 Replaced for 7.5.5
7.5.5 Last Mac OS to support 32 bit clean Macintoshes
7.6 New Mac OS
7.6.1 Mac OS 7.6 Update
8.0 Last OS for 68k Processors
8.1 Mac OS 8.0 Update
8.5 PowerPC Only, FireWire Support.
8.5.1 Mac OS 8.5 Update
8.6 PowerPC G4 Support, New Splash Screen.
9.0
9.0.2
9.0.3
9.0.4
9.1
9.2
9.2.1
9.2.2 Last Classic Mac OS
X 10.1 Puma
X 10.2 Jaguar: iMac G4
X 10.3 Panther
X 10.4 Tiger
X 10.5 Leopard: iMac G5
X 10.6 Snow Leopard: Most Intel Macs
X 10.7 Lion: New OS
X 10.8 Mountain Lion (Upcoming OS)

Windows

1.1: First Windows to support IBM PC XT
2.0: Runs on IBM PS/2 Computers
3.0: Runs on 8086 and 286 cpus
3.1: Kernel Update, Runs on 386 and 486 cpus
3.1.1 Workgroups: Workstation Operating System
3.2: Chinese version of 3.1
NT 3.1: First Windows NT OS
NT 3.5: Second NT Kernel OS
NT 3.51: Newer Kernel, runs on 386, 486, and Pentium
Chicago: Beta of Windows 95, Runs on 386, 486, and Pentium
95: First Windows 9x Kernel OS, Runs on 486, Pentium, and Pentium 2
NT 4.0: Third NT Kernel, similar to Windows 9x
95 Plus: Windows Plus! Pack
95 OSR2: Internet Explorer Update, USB Support
Memphis: Beta of Windows 98
98: Second Windows 9x OS, Better USB Support, Runs on Pentium, Pentium 2, Pentium 3, AMD, K5, and K6
98 SE: Way better USB Support, Compatibility with AMD Athlon, Duron, and Intel Pentium 4.
ME: Supports better USB, Considered the worst OS ever.
2000 Pro: Fourth NT Kernel OS
2000 Adv Server: Server OS
Whistler: Beta of XP, built on the NT Kernel
XP: Newer OS, runs on NT Kernel, Increased Compatibility with CPUs, Cards, Motherboards, etc.
Longhorn: Last release of XP, succeeded to vista
Vista: First OS to have the Aero Theme.
7: Has Multitouch Compatibility
8: Has Smartphone GUI

Small Operating Systems

DSL: Smallest OS
Puppy: another Small OS
Puppy Arcade: Emulation Version of Puppy
98 Lite: Simplified version of Windows 98, runs on most CPUs

Linux

Ubuntu
Fedora
Mint
Redhat
CentOS
Gentoo
xUbuntu
kUbuntu
Slackware
Mandriva
PCLinuxOS
UNIX