Beta System - Macintosh Repository

Found 42 software entries in System beginning with: "M" from category: Beta

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Mac OS X Server "Rhapsody" DR1 + DR2 (Intel x86 + PPC)

Year: 1997

(Modified on 2024-04-06 18:08:45)

"Rhapsody" DR1 and DR2 were the developer releases (beta) of what would soon become Mac OS X Server 1.0 and then Mac OS X 10.0. Rhapsody is a software product, named NeXTSTEP from 1989 to 1997, that Steve Jobs developped and brought...

Mac OS 7.0 Beta (7.0a9, 7.0b1, 7.0b4)

Year: 1990

(Modified on 2023-06-12 21:54:34)

Those are trimmed down versions of Mac OS 7.0 betas. See also: the full 7.0a9 CD image containing developer tools See also: the full 7.0b4 CD image

Mac OS 9.0 Beta (9.0b4c3, 9.0b6c3, 9.0b7c3, 9.0b7c4, 9.0f2c2, 9.0f3, 9.0f4, 9.0f9, 9.0.1f1, 9.0.4f6)

Year: 1998

(Modified on 2024-01-07 11:43:19)

Mac OS 8.6 Beta (8.6a3c4, 8.6b3, 8.6b9, SDK #5)

Year: 1998

(Modified on 2023-07-23 18:59:04)

Macintosh "Twiggy" Prototype Files

Year: 1984

(Modified on 2023-04-03 08:56:04)

A while ago, a rare prototype "Twiggy" Macintosh surfaced. Instead of the more familiar Sony 3.5" floppy disk drive, this machine used Apple's custom "Twiggy" 5.25-inch floppy disk drive as seen on the Apple...

Mac OS 7.5 Beta (7.5a8c4, 7.5b2c2 Mozart, 7.5b5c4 NBD, 2.0-s8-s9-s11, 7.5.3a3c3, 7.5.3a7c1, 7.5.3b6c2, 7.5.3f2c2, 7.5.3f6, 7.5.3d3c2 7.5.4s1c3, 7.5.4s4, 7.5.5c3 a.k.a. 7.5b5c4)

Year: 1994

Mac OS 7.5 Beta (7.5a8c4, 7.5b2c2 Mozart, 7.5b5c4 NBD, 2.0-s8-s9-s11, 7.5.3a3c3, 7.5.3a7c1,... (1994)

(Modified on 2024-01-05 16:28:51)

Mac OS 7.7 Beta (7.7a2c5 a.k.a. 8.0a2c5)

Year: 1997

(Modified on 2024-04-03 16:04:47)

MacOS 8.x Pre Releases

Year: 1998

(Modified on 2024-01-07 18:03:28)

Mac OS X Public Beta

Year: 2000

(Modified on 2024-01-07 17:53:44)

The Mac OS X Public Beta (internally codenamed "Kodiak") was an early beta version of Apple Computer's Mac OS X operating system Cheetah. It was released to the public on September 13, 2000 for US$29.95. It...

Mac OS 8.7 Beta (8.7a3, 8.7a6c2, 8.7a6c3, 8.7b3c3)

Year: 1998

(Modified on 2023-07-23 18:46:48)

Mac OS X 10.0 Developer Preview 3 (Home build ISO image)

Year: 1999

(Modified on 2024-01-07 19:31:49)

The first release of Mac OS X that is really recognizable since this is the first release to introduce aqua.

Mac OS 8.7 - 9.0 Betas

Year: 1999

(Modified on 2024-01-05 23:37:44)

MacOS 8.7 is supposedly a cancelled MacOS 8.x update, that became MacOS 9 for PPC. As shown by Action Retro, it can be run on a PowerBook 540c that has a PPC upgrade inside, however, at least for him, the wallpaper becomes the...

Mac OS 8.0 Copland (Beta Builds)

Year: 1996

(Modified on 2024-01-05 23:47:47)

Copland was supposed to be the turning point of classic Mac OS. Starting from 1994, its intention was to introduce true multitasking and protected memory, among other underlying features previously unavailable to the Macintosh. ...

Mac OS 7.1b7 CD (developer tools)

Year: 1992

(Modified on 2024-01-06 13:45:42)

This is the Beta Release of Macintosh System Software 7.1b7. Along with the beta operating system, the disc includes lots of developer tools and other goodies.