Cache86 (1990) 1 Utility DOS

Cache86 is a high speed disk caching program for DOS and Windows 3.x systems. It features a very small conventional memory overhead, speed, reliability, support for Extended memory on 286+ machines, and support for Expanded memory on PC/XT class machines.

• 3.x

CADKEY (1988) 2 Graphics Engineering DOS

CADKEY is a 2D/3D mechanical CAD (computer aided design or computer aided drafting) software application released for various DOS, Solaris, and Microsoft Windows operating systems. Originally released for DOS in 1984, CADKEY was among the first CAD programs with 3D capabilities for personal computers.

• 1.x

Cakewalk (1993) 5 Audio DOS Windows

Cakewalk is a MIDI music authoring and editing tool. The earlier versions are considered among the best MIDI tools that ever existed. Microsoft Windows. limited music notation and a built-in scripting language called CAL (Cakewalk Application Language). limited functionality OEM-bundled "Express" editions.

• 5.0 (DOS)
• 2.x
• 3.x

Calendar Creator Plus (1990) 7 Novelty PIM DOS Windows

Calendar Creator Plus from Vermont Creative Software/Power Up, and later Spinnaker Software, is a tool for creating printed calendars with different styles and custom lists of events.

• 3.x (DOS)
• 2.0 (Win)
• 4.0 (Win)
• 5.0 (Win)
• 7.0 (Win)

Catamount Pertec 9-Track Tape Drivers (1990) 2 DOS

Drivers fro for PCT-9 SERIES Including the ATC-8 and the ATC-16 interfaces.

• 3.x

CD Creator (1996) 0 Utility Windows

Adaptec CD Creator, today sold by Roxio, was a popular a tool for mastering and burning CD images. It was targeted primarily at the home and office markets and often bundled with CD-Burner hardware. Some OEM versions were customized for specific drives. Adaptec also sold a similar, but different, program for Apple Macintosh computers under the name Toast.

• 1.x/2.x

Celebrity (1987) 3 Word Processor DOS

Celebrity is a powerful word processing program that includes a Speller, Thesaurus, Forms System, Report Writer, Calculator, Calendar, and File Cabinet. It was advertised as a solution for novice users, however the command based interface makes it less than user friendly.

• 1.0

Cellular Automata Lab (1989) 1 Novelty DOS

Cellular Automata Lab is a powerful commercial scientific mathematical program for working with and exploring Cellular Automata, a system where individual mathematical elements grow, spread, and die based on a set of rules (like the old BASIC "Life" programs). This software provides functionality to create custom sets of rules. Although it had some potential applications, this specific product is more of a novelty, similar to fractal generators. It was published by Autodesk during a period of experimental exploration in to new scientific applications.

• 1.0

Central Point Anti-Virus (1992) 1 Utility DOS

Central Point Anti-Virus was a DOS-based antivirus program developed originally by an Israel company, CARMEL Software Engineering Ltd. as "Turbo Anti-Virus", and licensed by Central Point Software Inc. It was the basis for Microsoft's Anti-Virus for DOS and Windows (MSAV and MWAV). In 1994 it was acquired by Symantec Corporation and merged into Norton Antivirus.

• 1.x

Central Point Backup (1992) 0 Utility Windows

A powerful and friendly backup utility from Central Point Software, that supports backing up to either floppy disks or tape drives. Central Point Backup features ease of use, speed, detailed backup history, and virus scanning. This product was more commonly found bundled as part of PC-Tools.

• 7.x

Change Directory Plus (1993) 1 Utility DOS

Change Directory Plus is a small commercial utility distributed with Softdisk publishing's Big Blue Disk magazine. It indexes all folders on your hard drive, and permits you to change in to a deep subdirectory simply by specifying the final subdirectories name.

• 1.x

Chart-Master (1985) 2 Presentations Graphics DOS

Chart-Master, originally introduced in 1981 by Decision Resources, Inc., was the first software that could produce presentation quality graphics with a plotter on a personal computer. Decision Resources also produced Sign-Master and Diagram-Master. They were acquired by Ashton-Tate in 1986. This program was also bundled in the Master Graphics Presentation Pack.

• 6.x

CheckIt (1988) 16 Utility DOS

CheckIt, from TouchStone Software Corporation, is a diagnostic tool for generic PC/XT/AT compatible computers. It can perform tests on RAM, hard disks, video cards, floppy disks, motherboard resources, and I/O devices. It has an easy to use menu interface but can also run tests non-interactively. It was followed up by the product WINCheckit.

• 1.x
• 2.1
• 3.0
• LAN 2.x
• Pro 1.x

Checks And Balances (1986) 0 Financial DOS

Checks & Balances, by California Digital Engineering, is a fast, powerful, and flexible home accounting package for the IBM PC. It Manages checking, savings, and credit accounts, and prints checks.

• 4.0

Chessmaster 3000 (1991) 2 Windows

A fairly comprehensive version of Chess for Windows to play against another person or computer. Is able to analyze on potential moves in a game, provide tutoring, and change the appearance of the chess board.

• 1.0

Chex Quest 0 DOS Windows

Chex Quest is a non-violent first person shooter that was distributed with certain boxes of Chex Cereal based on the DOOM engine.

• 1.0

ChiWriter (1990) 0 Word Processor Mathematics DOS

ChiWriter is a WYSIWYG scientific text editor for DOS. Created by Cay Horstmann in 1986, it was one of the first that could write mathematical formulas on common PC computers.

• 4.00
• 4.2

CircuitMaker (1998) 34 Engineering Windows

CircuitMaker, from MicroCode Engineering, is an easy-to-use schematic design and simulation tool. This product was discontinued in 2000 after being bought out by Altium, and is not related to the current software of a similar name.

• 6.x
• 2000

Citrix MetaFrame (1998) 1 Server Windows

Citrix MetaFrame is an add-on for Windows Terminal Server that provides Citrix ICA connectivity and additional management tools. Unlike WinFrame, this is not an entire OS.

• 1.0
• 4.0

Citrix Multiuser Link (1991) 1 Communications DOS OS2

Multiuser Link is a telecommunications program that Connects a PC running DOS or OS/2 to a Citrix Multiuser system via standard RS-232C serial directly or with a modem.

• 1.0

Clarion DOS Extender (1996) 1 DOS

The Clarion DOS extender is a tool that enables you to create 386 Protected mode applications for the Clarion Database.

• 3.x

Claris Organizer (1995) 3 PIM MacOS

Claris Organizer is an easy to use personal information management (PIM) program for the classic Mac OS. It integrates calendar, contacts, tasks, and notes in to one small lightweight application. It has a variety of flexible print option and can print mailing labels. It competed with the Apple Newton PDA. Claris Organizer was praised for its small size and well thought out interface. It was sold to Palm when Claris was broken up, and was used as the basis for the Palm Desktop for Mac.

• 1.0
• 2.0

CleanSweep (1994) 4 Utility Windows

CleanSweep, from Quarterdeck, is a utility that assists with uninstalling and removing leftover files. It also moves programs from one drive to another, to a backup that can be restored later, or to another computer.

• 1.x
• 2.x (95)
• 3.x
• 4.x

ClickArt Personal Publisher (1986) 0 Publishing DOS

ClickArt Personal Publisher is a simplified, Mac-like desktop publishing program. It was later purchased by Software Publishing Corporation and turned in to PFS:First Publisher, who then in turn sold it to Spinnaker Software where it became Easy Working Desktop Publisher

• 1.x

Clipper (1990) 11 DOS Windows

Clipper, from Nantucket Corp and later Computer Associates, started out as a native code compiler for dBase III databases, and later evolved in to a full fledge database language and application development environment.

• 5.x