Chart-Master (1985) 5 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) 18 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

CircuitMaker (1998) 77 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

Claris CAD (1989) 0 Engineering MacOS

Claris CAD is a computer aided design program developed in 1988 by Claris Corporation in a joint effort with Craig S. Young of Computer Aided Systems for Engineering (CASE). It was based on MacDraw II and Young's earlier CAD application, EZ-Draft. Version 1 was released in 1989 for Macintosh computers running System Software 6 or later. The initial releases were plagued with bugs, especially with the bundled plotter driver.

• 1.0
• 2.0

ClarisDraw (1995) 3 Graphics Windows MacOS

ClarisDraw is a vector based drawing program and the successor to MacDraw. The name was changed partially because there was now also a Microsoft Windows port. The final release was 1.0v4.

• 1.0x

ClarisWorks (1991) 19 Word Processor Spreadsheet Presentations Graphics Publishing Database Windows MacOS

ClarisWorks is an all-in-one Word Processor, Spreadsheet, Database, Graphics Editor, and Presentations tool from Claris. In 1998, after version 5.0.2, ClairsWorks was purchased by Apple and re-branded under the "AppleWorks" name. It is not related to the Apple II AppleWorks product.

• 1.x
• 2.x
• 3.x
• 4.x
• 5.x
• For Kids 1.0

CleanSweep (1994) 6 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

Coherent (1994) 4 Unix

Coherent, from Mark Williams Company, was a compact high speed Unix clone that was ported to a number of architectures including IBM PC.

• 4.x

Colorado Backup (1996) 8 Utility DOS Windows

Colorado Backup is the software provided with HP Colorado tape drives.

• Set
• 4.x for DOS
• 1.70 for Win 95
• 3.22 for Win 95

ColoRIX (1990) 2 Graphics DOS

ColorRIX is a simple mouse-driven painting program for DOS. It features the ability to easily work with pallets and gradients. It was bundled with some video cards, and supported many custom resolutions. VGA Paint, on standard IBM VGA hardware, supports an undocumented 360x480 256 color mode.

• VGA 1.x

ColorWorks (1996) 0 Graphics OS2

ColorWorks is a powerful, full-featured, photo editing program designed exclusively for OS/2. It is a native 32-bit OS/2 application and makes use of OS/2 multitasking, multithreading, and SMP capabilities. It has many features and tools that make it comparable to most other image editors.

• 2.x

Comic Book Creator (1991) 0 Novelty DOS

Comic Book Creator is a graphics program that enables the user to quickly create customized comic strips based on a small predefined set of clip art and backgrounds.

• 1.x

COMPAQ Personal Computer MATCHMAKER (1989) 1 DOS

MATCHMAKER is a floppy disk based customer survey sent to potential Compaq customers. The intent was to collect data about current hardware and software application use for marketing and development purposes. It also provides an interactive overview of then-current Compaq 386 hardware products.

• 1989

Computer Shopper FastFiler (1993) 1 Utility DOS

FastFiler, from Ziff-Davis Publishing Company and Strange Software LTD, is a rudimentary easy to use file manager shell. It was sold alongside Computer Shopper magazines. While it offers a friendlier interface than the DOS command prompt, it has fewer features and abilities than competing file managers.

• 1.x

CompuWorks Office (1994) 2 Word Processor Spreadsheet Presentations Graphics Database Windows

ComuWorks is an entry-level budget oriented integrated all-in-one office suite for Microsoft Windows 3.1. It includes a word processor, spreadsheet, database, report writer, and charting tools.

• 2.x

Connectix RAM Doubler (1996) 3 Utility MacOS Windows

RAM Doubler is a utility for Windows 3.1 that uses advanced resource management and memory compression techniques to allow more applications to run side by side. It was designed to be simple and easy to use compared to some competing programs. It competed against similar tools such as SoftRam, Hurricane, and MagnaRam

• Mac OS
• Windows 3.x

Conner Backup Basics (1993) 3 Utility DOS Windows

Conner Backup Basics is a dumbed down version of Conner Backup Exec that only works with their tape drives. This software will not run at all without the appropriate tape drive attached.

• 1.1 (DOS)
• 1.2 (Win)

Control Room (1990) 2 Utility DOS

Control Room is an all-in-one resident system information and configuration tool. It includes a number of disk utilities such as undeleting, wiping, and encrypting files. It can scan files and detect unwanted changes. Control Room can change system settings such as keyboard repeat rate and supports creating keyboard macros.

• 1.0

Copy II Mac (1987) 2 Utility MacOS

Copy II Mac is a tool for copying copy protected disks on the Apple Macintosh computer. It also includes MacTools, an enhanced file manager with disk editing and testing abilities.

• 7.x

Copy II PC (1985) 18 Utility DOS

Central Point Copy II PC is a disk duplication program that can successfully copy many copy protected disks using only standard IBM PC hardware. It is generally considered the best software-only solution for duplicating such disks. "snatchit".

• 2.xx
• 3.xx
• 4.xx
• 5.xx
• 6.00

CopyWrite (1990) 1 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

Corel Office (1996) 6 Word Processor Spreadsheet Presentations Windows

Corel Office is a software bundle that includes WordPerfect and a number of other office applications. It competed unsuccessfully against Microsoft Office. This bundle started out as "Borland Office", was briefly known as "Novell PerfectOffice", then "Corel Office", and under Corel it later became "WordPerfect Office". (Not to be confused with the unrelated ~1990 groupware program, also called "WordPerfect Office")

• 6.1
• 7

Corel Photo-Paint (1995) 1 Graphics Windows

Corel Photo Paint is a bit-mapped graphics editor optimized for photo manipulation. It competed against Adobe Photoshop and Paint Shop Pro, and was often a companion product to the vector based CorelDRAW. It includes a large number of special effects, a color management system, brushes, layers, and scanner support.

• 5.0

Corel Print House (1996) 0 Graphics Windows

A printing program for creating over 20 types of printing projects including cards, banners, signs, certificates, calendars, brochures, business forms, labels, membership cards, coupons, tickets, bookmarks, and doorknob hangers. It uses the 32-bit CorelDRAW 6 mini-engine.

• 1.1

CorelDraw! (1989) 79 Graphics Publishing Windows OS2 Unix

Corel Draw is a vector based drawing and illustration program. It is primarily a Windows application, but was ported to Mac OS, Mac OS X, Linux, CTOS and OS/2. It competed against Aldus Freehand, Adobe Illustrator, and Micrografx Designer.

• 1.x
• 2.0
• 2.5
• 3.0
• 4.0
• 5.0
• 3.5 (Unix)
• 6.0
• 7.0