Canoma was a 3D-modelling application for Windows and Macintosh. Released by MetaCreations Corp. in 1999,[2] this application allowed users to create 3D models based on one or more photographs taken from various angles. This process is known as photogrammetry. The user "pinned" the corners of wireframe primitives over real world shapes such as buildings, boxes, cylinders and other geometric shapes (it could not really handle organic shapes), the application then dynamically extrapolated the perspective, angles and shapes and produced a 3D realization, applying the textures from the photograph(s) onto the models.

Carbon Copy is a remote control desktop program for DOS and later Windows, similar to PCAnywhere. protection. You can not connect to other copies of Carbon Copy if the serial numbers are the same.

Catz, from PF Magic, Inc, is a fun program that places an animated cat on your desktop for you to play with.

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.

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.

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.

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.

Clarion is an advanced user friendly 4GL DBMS and programming environment for DOS and Windows. It boasted the ability to greatly reduce application development time, featured highly integrated visual creation tools, and a powerful set of program functions.

Claris Impact is a business graphing program that provides attractive business presentations with minimal artistic skill. It features the ability to create graphs using "Models", a guided module somewhat like a wizard.

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.

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.

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.

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

COMit is a small, lightweight, and easy to use telecommunications terminal emulator for MS-DOS systems. OEMs commonly bundled it with modem hardware.

Produced by Traveling Software, the authors of LapLink, CommWorks is a suite of communications applications including CommWorks Control Center, TS Fax, TS OnLine, and Laplink.

CompuServe Information Manager is the client software used for accessing the CompuServe service.

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.

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

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.

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")

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.

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.

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.

EZ Legal Software Corporate Secretary is a set of legal templates geared towards the operation and management of a company.

Correct Grammar is a grammar checking and analysis tool for DOS. Correct Grammar incorporates technology from the Houghton Mifflin CorrectText system.