CopyWrite (1990) 3 Utility DOS

CopyWrite is a disk duplicator that can duplicate disks with many advanced copy protection schemes using a standard IBM PC floppy drive and controller.

• 1990
• 1992

Crosstalk (1983) 8 Communications DOS

Originally released in 1982, Crosstalk XVI, from Digital Communications Associates Inc of Alpharetta, Georgia, is a powerful telecommunications program for the IBM PC with many scripting features. "XVI" means "16", and refers to the powerful new 16-bit x86 CPUs found in IBM PC's and compatibles. It was followed up by the MK 4 and Communicatior products.

• MK.4 2.x
• Communicator 2.x
• XVI 3.8x

DataPerfect (1993) 1 Word Processor Database DOS

DataPerfect, originally written by Lew Bastian, published through WordPerfect Corp, and later through Novell, was a fast, memory efficient, but capable relational database for DOS. WordPerfect Corp sold the product alongside their other DOS based office products, such as WordPerfect and PlanPerfect. In 1995 Novel released DataPerfect as freeware and development was continued by its original author until about 2008.

• 2.x

DECTalk PC (1993) 2 Utility DOS

DECTalk was a text to speech system used in automated telephone, radio, and TV systems. It was notably used as an artificial voice by Stephen Hawking. Most DECTalk devices were standalone serial devices, however DEC did produce an ISA expansion card for the IBM PC that contained this functionality. This software is required to operate these ISA cards.

• 4.x

Derive (1994) 4 Mathematics DOS

Derive was a computer algebra and graphing system, developed as a successor to muMATH by Soft Warehouse, Inc. in Honolulu, Hawaii, now owned by Texas Instruments. Derive was implemented in muLISP, also by Soft Warehouse. The first release was in 1988 for DOS. It was discontinued on June 29, 2007 in favor of the TI-Nspire CAS. The last and final version is Derive 6.1 for Windows.

• 2.x
• 3.x

DESQView (1984) 18 Utility DOS

DESQView, from Quarterdeck, was a DOS application multi-tasker and in later versions functioned as an X client for applications on remote UNIX systems. It competed against IBM Topview. The original DESQ was just a task switcher, but subsequent versions offered preemptive multitasking of well behaved DOS programs on real-mode 8088 PCs. It gained popularity when DESQView 386 added virtual x86 support. This enabled the ability to multi task many poorly behaved programs, and was often used on BBSes due to its excellent COM port handling. It was later overtaken by OS/2 and Windows.

• DESQView X 1.x
• 2.x
• DESQView X 2.x

Direct Access (1988) 5 Utility DOS

Direct Access is an easy to use menuing program designed to simplify access to applications on systems with many programs loaded on the hard drive. It is customizable, includes screen blanking, and includes password protection and usage logging. Later versions also detect common programs already installed on the hard disk.

• 5.x

Disk Technician (1987) 0 Utility DOS

Disk Technician, from Prime Solutions Inc., is a hard disk utility and surface monitor. It contains an interleave adjuster and pattern tester similar to Spinrite. The Gold version also includes a defragmenter and disk-level virus protection.

• Gold 1.x

DiskClone (1998) 1 Utility DOS

DiskClone, from Quarterdeck, is a simple, professional, small, powerful, and easy to use hard disk cloning tool. It can copy a drive to another internal or external drive of different sizes. It can be used as a backup, or a migration tool to a new drive. It all fits on a single floppy disk. "Corporate" editions.

• 1.0

DiskLock (1993) 0 Utility DOS Windows

DiskLock, From Fifth Generation Systems, and later from Symantec as Norton DiskLock, is a data security tool that can lock a hard disk or individual files or directories so that it requires a password to access any data. It can also log activity to detect unauthorized access attempts. It also features the ability to lock the system after an idle usage period. There were versions for PC and Mac.

• 2.x
• 3.x

DisplayWrite (1984) 0 Word Processor DOS

DisplayWrite is a word processor that is based on the IBM Displaywriter dedicated word processing system. It directly competed with software ports of dedicated word processors such as the Wang Word Processing System (or its clone MultiMate ), Lanier Word Processing Software, Xerox, DEC, or similar.

• 5

DosFax (1992) 0 Communications DOS

Delrina DosFax is a DOS based program for sending and receiving faxes via a modem that has fax capabilities. This software was often bundled with modems or PCs. It was often accompanied by Delrina WinFax.

• 2.0

DoubleDisk (1991) 0 Utility DOS

First released in 1989, DoubleDisk was the first real-time drive compression product for DOS. It is a fairly no-frills program and sticks to what it does best. It was relatively low cost compared to its later competitors. and Expandz! Plus

• 2.5
• 2.6

DoubleTools for DoubleSpace (1993) 0 Utility DOS

DoubleTools is a set of Windows-based utilities that adds functionality to DoubleSpace, included with MS-DOS 6.0.

• 1.0

Easy Working Tri-Pack (1992) 0 Word Processor Spreadsheet Database DOS

The Easy Working Tri-Pack, from Spinnaker Software, is a bundle of three budget productivity applications from Spinnaker Software. It includes Easy Working The Writer - a word processor, Easy Working The Filer - a database, and Easy Working The Planner - a spreadsheet. These applications boast ease of use with a friendly menu interface wile remaining full-featured.

• 1992

Expert Utilities (1990) 0 Utility DOS

Expert Utilities is a rudimentary file manager shell for DOS. It provides an on screen directory listing and a visual command menu. It does not use the mouse.

• 1990

EZ-Drive (1996) 0 Utility DOS

EZ-Drive is a hard disk partitioning tool bundled with new hard drives. It detects, partitions, formats drives, and installs BIOS overlays, all in one easy to use program. Such setup programs were often necessary due to the complexity of BIOS size limitation and the skyrocketing size of new hard drives. EZ-Drive is similar to Ontrack Disk Manager.

• 8.x

EZ-Tape (1992) 0 Utility DOS

EZ-Tape backup system for Windows and DOS.

• 3.x (DOS)

Failsafe Computer Guardian (1992) 0 Utility DOS

Failsafe Computer Guardian is a DOS TSR utility that prevents programs or other users from accessing or making changes to designated files on the hard drive. It includes password control, user groups, logging, keyboard locking, screen blanking, and support for Microsoft windows. Notably, it can do all of this with minimal DOS memory overhead, only 14k of RAM.

• 1.x

FastBack (1986) 0 Utility DOS

Fastback, by Fifth Generation Systems, Inc, is a backup utility for DOS. Its key feature is that it can read and write both a floppy disk and hard disk at the same time by making use of dual-channel DMA. Combined with speedy data compression, it can make a very fast backup.

• Plus 3.x
• Plus 6.x

FastFilr (1990) 0 PIM DOS

FastFilr is a simple addressbook for DOS. It features fast lookup, and the ability to print labels and reports. little information about them out there. They also sold a product called "The Screen Generator", a screen designer/manager for use with a number of programming languages.

• 1.0

FastLynx (1990) 1 Communications DOS

FastLynx, originally called FastWire, is a high-speed file transfer program that operates on two computers connected together via a serial nullmodem or special parallel port cable. It competed against similar file transfer programs such as LapLink.

• 1.x
• 2.x

FastTrax (1987) 0 Utility DOS

FastTrax is a disk optimization program for MS-DOS on IBM PC computers. It rearranges and defragments files to make file access faster.

• 4.x

FaxDirect (1994) 0 Communications DOS

FaxDirect is a flexible resident command line tool for sending and receiving FAXes under DOS. It was bundled with copies of WordPefect.

• 2.x

FontasticWriter (1990) 0 Word Processor DOS

Fontastic, from David W Johnson, Pacific Tri Micro Inc / Wizardworks, Wizardware Group Inc, is a budget word processor. It promotes itself as having many fonts to choose from, making it sound like a graphical WYSIWYG, but it is really a text-based word processor with an external previewer application. "Wizardworks". Apparently it was a small-time publisher. Pacific Tri Micro products were published under other names as well. perfecting text that will add creative "snap" to documents. Choose from a library of more than 25 type fonts in varying sizes to spruce up any letter or presentation. Fontastic Writer Plus also includes 24 pin and laser printer drivers that allow your documents to print out just like the pros's. easy to use! Editing is also easy, and includes search and replace, cut and paste, left/right justification, line or word centering, underlining, and an electronic dictionary that scans documents and corrects your mistakes. documents from Easy Working Writer " and Word Writer" to name a few. Simply type the commands in your old files and Fontastic Writer Plus does the rest."

• Plus (1990)