Business Session (1991) 0 Communications Windows

Business Session for Windows is a Terminal emulator that supports HP 2392, 2394, 700/92, 700/94, VT100, and HP ANSI terminal emulation. It supports Serial, modem, and LAN connection with virtual terminal, Telnet, and X.25. It also includes scripting, file transfer, Windows DDE support, and logging.

• 3.x

CADKEY (1988) 0 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

Cadlogic Instinct (1987) 1 Engineering Windows

Instinct is a computer aided design drafting tool designed for Microsoft Windows 1.x. It was designed specifically with ease of use in mind, and was among the few early applications designed for Microsoft Windows 1.

• 1.0

Calendar Creator Plus (1990) 2 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)

cc:Mail (1993) 0 Communications OS2

cc:Mail, originally from Concentric Systems, Inc and later Lotus and IBM, is a desktop e-Mail system intended for small LANs. It relies on accessing a shared database file rather than client-sever methods.

• 1.x for OS/2

ChiWriter (1990) 4 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) 56 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 Multiuser Link (1991) 0 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

Claris CAD (1989) 3 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

Claris Organizer (1995) 2 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

CO/Session (1992) 0 Communications DOS

CO-Session is a remote communication access program that supports remote control, file transfer, automates session, and promoted itself as faster and more powerful than Carbon Copy Plus.

• 6.x

Coherent (1994) 1 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

COMit (1994) 2 Communications DOS Windows

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

• 1.x

CommWorks (1993) 0 Communications Windows

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.

• 1993

COMPAQ Personal Computer MATCHMAKER (1989) 2 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

CompuServe Information Manager (1989) 5 Communications DOS Windows

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

• 1.x (DOS)
• 2.x (DOS)
• 1.x (Win)
• 2.x (Win)

COSMI TrueType Fonts for Windows (1993) 0 Windows

COSMI TrueType Fonts for Windows is a budget title that includes a set of fanciful fonts designed for use with Windows 3.1

• 1993

Crosstalk (1983) 15 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.

• XVI 3.3x
• XVI 3.5x
• XVI 3.6x
• XVI 3.7x
• MK.4 2.x
• Communicator 2.x
• XVI 3.8x

DanCAD 3D (1992) 2 Engineering DOS

DanCAD is a tool for producing technical line drawings and animations. It is designed for mechanical engineers to analyze and simulate 3d mechanisms, such as complex compound robotics motions. mathematical functions, animation, and PostScript printing.

• 2.5

Davong Hard Disk Controller Drivers (1982) 0 DOS

This is the driver software used to configure and access a Davong internal hard disk controller for the IBM PC. This controller was significant as being one of the few hard disk systems accessible under DOS 1.x. system instead partitions the disk in to several smaller drives.

• 2.4
• 2.5

Derive (1994) 7 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

DesignCAD 2D (1988) 9 Graphics Engineering DOS

DesignCAD is a low end, but well featured, drafting program. It was sometime a companion product to DesignCAD 3D.

• 3.x
• 5.x

DesignCAD 3D (1987) 3 Graphics Engineering DOS

DesignCAD 3D is a powerful, easy to use, and low cost DOS based CAD program that claimed to have all of the features of the more expensive CAD programs. It competed against low-cost CAD programs such as TurboCAD, Generic CADD, and Drafix. It was sometimes sold alongside DesignCAD 2D

• 1
• 4.x

DosFax (1992) 3 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

Drafix (1990) 5 Graphics Engineering Windows

Drafix is a powerful, high performance, and feature rich 2-dimensional computer aided design tool. Despite being a 2-D CAD program, it had many features of high end 3-D CAD software, and competed directly with AutoCAD. Drafix was first was fist released in 1986 for DOS, and was the first professional CAD program released for Microsoft Windows.

• 1.0 (Win)
• 2.x (Win)