After Apple offered an Extended Repair Program, the series turned into a remarkably attractive machine, but never lost its bad reputation.

Meanwhile, in exchange for Truetype, Apple got a license for TrueImage, a PostScript-compatible page description language owned by Microsoft that Apple could use in their laser printers. This was never actually included in any Apple products when a later deal was struck between Apple and Adobe, where Adobe promised to put a TrueType interpreter in their PostScript printer boards, Apple renewed its agreements with Adobe for the use of PostScript in its printers ; resulting in lower royalty payments to Adobe who was beginning to license printer controllers capable of competing directly with Apple's LaserWriter printers.

Although this system was never released, Commodore's negotiations with AT & T over the proper way to bundle their VCOS / VCAS operating system software in a personal computer environment helped Apple Computer deliver their AV-series Macintosh systems, two years later.

Apple has never sold a tablet PC computer running Mac OS X, although OS X does have support for handwriting recognition via Inkwell.

Apple and its partners never released the source code, but did make the complete source available to developers for feedback and for testing and debugging purposes.

It was never offered for public sale, but is now readily available on the internet, along with many third party Apple II emulators.

It was never released due to licensing issues with Apple.

Cirtech started work on, but never completed, a black and white Macintosh hardware emulation plug-in card for the Apple IIGS dubbed " Duet ".

Apple DOS 3. 0 ( a renamed issue of version 2. 8 ) was never publicly released due to bugs.

Apple never offered a utility to copy the other way.

The use of the Pixo OS in the iPod was never formally announced, although the first-generation iPod's " About iPod " display includes a mention of Pixo, and a Connectix biography of their VP of engineering Mike Neil mentions his role as " lead architect on the Pixo OS that is used in ... the Apple iPod ".

Other File System Translators included those for MS-DOS, High Sierra / ISO-9660, Apple ProDOS, DOS 3. 3 and Pascal, albeit read-only ( full read / write support had been planned but never completed ).

For some reason, Apple never made this a priority until OS X, even though several schemes were suggested by outside developers that would retain compatibility while solving the overall memory management problem.

The standard Apple II machines never had particularly good sound, especially when compared to competitors like the SID chip-enabled Commodore 64.

Although provoking a vehement reaction in the software community, and causing Richard Stallman to form the League for Programming Freedom, the expected landmark ruling never happened, as most of the issues were resolved based on a license that Apple had granted Microsoft for Windows 1. 0.

As a result, when GEIS developed the improved EFX and upgraded AppleLink, it never released source-code to Apple, supplying only a copyrighted code-resource for the protocol.

Apple was never able to turn a profit on eWorld, and shut it down after a little over a year of operation, before it was able to supplant AppleLink.

Apple had to retract the promise to deliver a 3 GHz processor one year after its introduction, and IBM could never get the power consumption down far enough for these processors to fit into a portable computer.

Despite intense user demand for a faster laptop CPU than the G4, Apple never used a G5 series CPU in their PowerBook laptops.

Donn Denman ported Applesoft BASIC to SOS and reworked it to take advantage of the extended memory of the Apple ///.

MINIX 1. 5, released in 1991, included support for MicroChannel IBM PS / 2 systems and was also ported to the Motorola 68000 and SPARC architectures, supporting the Atari ST, Commodore Amiga, Apple Macintosh and Sun SPARCstation computer platforms.

In the early 1980s, UCSD Pascal was ported to the Apple II and Apple III computers to provide a structured alternative to the BASIC interpreters that came with the machines.

Apple Computer created its own Lisa Pascal for the Lisa Workshop in 1982 and ported this compiler to the Apple Macintosh and MPW in 1985.

It initially ran on workstations from Sun Microsystems and Apollo Computers, but later ported its software to workstations made by Digital Equipment Corporation, HP, IBM and SGI, and later still, to the Apple Macintosh II and the IBM Personal Computer.

In 1996, Marathon 2 was ported to Windows 95 ; both the original Marathon and Marathon 2 were ported to the Apple Bandai Pippin console under the title of Super Marathon ; and the third game in the trilogy, Marathon Infinity, was released ( for the Macintosh only ), built on a slightly modified Marathon 2 engine.

Due to the flourishing desktop publishing market on the Apple Macintosh, the software was ported to the Mac as its second platform.

Later Digital ported it to Ultrix, as well as Apple Macintosh and IBM PC running variants of DOS and Microsoft Windows under the name DEC Pathworks, allowing these systems to connect to DECnet networks of VAX machines as terminal nodes.

Epyx also ported Jumpman to the Apple II, and a year later contracted Mirror Images Software for an IBM PC / PCjr port.

Jumpman Jr was ported to the Colecovision, but there were no Apple II or IBM releases of the game.

ABC has been ported to Unix, DOS, Atari, and Apple Macintosh.

subLOGIC continued to develop for other platforms and ported Flight Simulator II to the Apple II in 1983, the Commodore 64, MSX and Atari 800 in 1984, and to the Amiga and Atari ST in 1986.

Wasteland was first distributed for the Apple II and ported to the Commodore 64 and PC DOS platforms in 1988-it is sometimes ( and erroneously ) listed as being published in 1987, because that year appears on the title screen of the Apple version.

Originally made for the Apple II, they were later ported to other platforms.

The first five games in the series were written in Apple Pascal, an implementation of UCSD Pascal, and were ported to many different platforms by writing UCSD Pascal implementations for the target machines ( Mac II cross-development ).

A console port on the NES was also popular, and the game was also ported for 16-bit computers Amiga, Atari ST, Apple II and IBM PC.

It was originally developed for Atari 8-bit computers in 1983, but was later ported to several other systems of the day, including the Apple II, Commodore 64, Amstrad CPC, ZX Spectrum, Amiga, IBM PC, Apple Macintosh, PC-88, and NES.

After discontinuation of Apple Newton, the feature has been ported to Mac OS X 10. 2 or later in form of Inkwell ( Macintosh ).

The series is primarily developed for personal computers running Microsoft Windows, although some titles have been ported to various video game consoles and the Apple Macintosh.

dBase was originally published by Ashton-Tate for CP / M in 1980, and later on ported to the Apple II and IBM PC under DOS.

Originally released for the IBM 6150 RISC workstation, AIX now supports or has supported a wide variety of hardware platforms, including the IBM RS / 6000 series and later IBM POWER and PowerPC-based systems, IBM System i, System / 370 mainframes, PS / 2 personal computers, and the Apple Network Server.

In 1988 Apple had released MacTCP, a system that allowed the Mac to support TCP / IP on machines with suitable Ethernet hardware.

So they decided to designed a TRS-80 and CP / M software compatible computer system, which ( following the lead of Apple Computer ) they decided to name after a " typical Dutch flower ".

Digital Ocean, Inc. an OEM licensee of the Apple Newton, offered the Seahorse product, which integrated the Newton handheld computer, an AMPS / CDPD handset / modem along with a web browser in 1996, winning the CTIA's hardware product of the year award as a smartphone, arguably the world's first.

Mature versions of the Commodore, SWTPC, Atari and Apple home computer systems all featured a disk operating system ( actually called ' DOS ' in the case of the Commodore 64 ( CBM DOS ), Atari 800 ( Atari DOS ), and Apple II machines ( Apple DOS )), as did ( at the other end of the hardware spectrum, and much earlier ) IBM's System / 360, 370 and ( later ) 390 series of mainframes ( e. g., DOS / 360: Disk Operating System / 360 and DOS / VSE: Disk Operating System / Virtual Storage Extended ).

Apple has an open-source framework for developing drivers on Mac OS X called the I / O Kit.

* I / O Kit – an open-source framework from Apple for developing Mac OS X device drivers

In response to the impending release of OS / 2 2. 0, Microsoft developed Windows 3. 1, which included several minor improvements to Windows 3. 0 ( such as display of TrueType scalable fonts, developed jointly with Apple ), but primarily consisted of bugfixes and multimedia support.