Breadbox Office — A word processor, spreadsheet, address book and drawing program. It is part of a broader software package called Breadbox Ensemble which also includes programs such as email, web-browser and html editor. Breadbox Ensemble runs under the GEOS (16-bit operating system) and effectively requires a version of DOS to be installed on the host system.
Corel WordPerfect for DOS - A word processor, spreadsheet, and presentation software from Corel (containing WordPerfect 6.2, Quattro Pro 5.6, Presentations 2.1, and Shell 4.0c).
NeoOffice — NeoOffice is a Mac-specific open-source software development project dedicated to integrating OpenOffice.org with native features of Mac OS X as well as other enhancements that give the suite a more "Mac-like" look and feel. While source code is available for free, developers charge for the binary version of this application.
Siag Office — a free office suite for Unix systems. Primarily written by programmer Ulric Erikkson, with contributions from other authors. Includes a word processor, a spreadsheet, and an animation program.
ContactOffice - an AJAX-based online office suite. The suite includes personal and shared Calendar, Document, Messaging, Contact, Wiki,... tools. Available free and as an enterprise service.
Google Docs — an AJAX-based online office suite from Google, Inc. The suite includes a word processor, a spreadsheet program, and a presentation editor. Available free and as an enterprise service.
Windows Live Office - an online office suite from Microsoft which is based on Windows Live SkyDrive. It includes a word processor, a spreadsheet, a presentation application and a notetaking program. Allow users to create, edit, save and share documents.
Zoho Office Suite — a free online office suite from Zoho Corporation. Includes a word processor, spreadsheet, presentations, and collaboration groupware.
ShareOffice — a Web-based office suite from ShareMethods. This suite utilizes separate word processing, spreadsheet, and presentation applications from other vendors. It is distributed through Salesforce.com's AppExchange program.
Simdesk — an online office suite from Simdesk Technologies, Inc. This suite offers partial compatibility with the Microsoft Office file formats (Word, Excel, and Powerpoint). With a monthly subscription to Simdesk Services (costing $3.50 – $20 per month), one is allowed to install the application anywhere. (not available any longer)
ThinkFree Office — an office suite written in Java, from ThinkFree, Inc. It includes a word processor (Write), a spreadsheet (Calc), and a presentation program (Show). For Microsoft Windows, Linux, and Mac OS X.
Comparison of general and technical information
AppleWorks (previously known as "ClarisWorks") — an early Mac Office suite. It has morphed and branched into AppleWorks and GoBe Productive. When the original developers split up, ClarisWorks continued as AppleWorks after being bought by Apple, and GoBeProductive was redeveloped from the ground up using ideas from the original. Apple discontinued this suite after the release of iWork '08 in August 2007.
Island Office was available in the 1990s on many Unix platforms. This included Island Write, Draw, Paint, Presents, Calc, Chart, Table and Equation. Island Draw was, at the time, an extremely powerful PostScript editor. The company that created this software was/is called Island Software.
Lotus Symphony — Following the popularity of office suites made by competitors, the makers of the wildly popular Lotus 123, tried their hand at a suite for DOS. (Name resurrected by IBM in September 2007 as IBM Lotus Symphony)
Lotus Jazz — Mac sister product to Lotus Symphony.
Open Access — Integrated software by Software Products International (SPI).