Logitech Mouseware (1987) 12 DOS Windows

Logitech mice and pointing devices were popular competition to Microsoft or Microsoft clone mice. Logitech mice often had extra features that required Logitech drivers, and early Logitech mice were not Microsoft or Mouse Systems protocol compatible.

• 3.x
• 4.0
• 6.x
• 7.x
• 8.x

Logitech Pascal to Modula-2 Translator (1986) 3 DOS

The Logitech Pascal to Modula-2 Translator is a programming tool that converts Pascal source code in to code that Modula-2 can compile and run. This was an attempt to reel in users of the very popular Turbo Pascal programming product.

• 1.0

Lotus 1-2-3 (1983) 144 Spreadsheet DOS

Lotus 1-2-3 was an early spreadsheet application available for MS-DOS. It became extremely popular in the late 1980s, displacing the former leader VisiCalc. Lotus had difficulties adapting 1-2-3 to the Windows environment, and was overtaken by Microsoft Excel. Spreadsheet functionality was also included in Lotus Symphony. Later versions were included in Lotus SmartSuite.

• 1.x (DOS)
• 1A (PCJr Cart)
• 2.x (DOS)
• 3.x (DOS)
• Add-ins
• 4.x (DOS)

Lotus Agenda (1988) 3 PIM DOS

Agenda is DOS based Personal Information Manager that features customizable categories, and many data retrieval features. It was criticized for not being easy to use and lacking features found in other PIMs. It was replaced by Lotus Organizer.

• 1.x
• 2.0

Lotus Approach (1993) 11 Database DOS

Lotus Approach, originally from Approach Software Corporation, is a relational database management system. Approach promises "instant productivity" with its WYSIWYG form and report designer, and is compatible with many existing database formats. Approach started off as an independent product, was purchased by Lotus, and later IBM. It was included in Lotus SmartSuite for Microsoft Windows.

• 2.x

Lotus HAL (1986) 0 Spreadsheet DOS

Lotus HAL (Human Access Language) is a natural-language querying interface for Lotus 1-2-3 r2. That is, one can enter standard English phrases instead of typing "complex" formulas.

• 1.x

Lotus Magellan (1989) 8 Utility Document DOS

Magellan was a desktop file viewer and search tool. It indexes all files on your hard drive, and you can search for related information across file formats.

• 1.0
• 2.0

Lotus Manuscript (1989) 0 Word Processor DOS

First released in 1986, Lotus Manuscript is a sophisticated word processor geared toward scientific technical writing. It features easy table editing, the ability to easily edit and print mathematical equations, and can handle very complicated documents. It also includes footnoting, document tracking, import from 1-2-3, and mailmerge. Version 2 adds macro and downloadable font support.

• 2.x

Lotus Metro (1986) 2 Utility PIM DOS

Lotus Metro is a set of resident desktop management tools similar to Borland Sidekick or Popcorn desktop. Metro includes an appointment book, phone book, scheduler, calculator, clipboard, and a text editor. A user can call up these tools while almost any other DOS program is running. In addition to performing small tasks without exiting their primary program, Metro can copy information from or to the screen. It also include macro functionality for automating tasks comparable to Borland SuperKey. It was primarily targeted at existing users of Lotus 1-2-3 and Lotus Symphony.

• 1x

Lotus Symphony (1984) 9 Word Processor Spreadsheet Presentations Graphics Communications Database DOS

Lotus Symphony is a an integrated software program that combines five tools: spreadsheet - word processing, graphics, database management, and data communications - in one package. The spreadsheet has similar functionality to Lotus 1-2-3, however it uses a different software "engine". These releases are of the original suite produced by Lotus. For the unrelated suite produced by IBM under the same name, see "IBM Lotus Symphony".

• 1.00
• 2.00
• 3.00

Lotus Works (1990) 2 Word Processor Spreadsheet Presentations Database DOS

Formerly Electric Desk/AlphaWorks from Alpha Software, Lotus Works is an all in one office suite for DOS that includes a word processor, spell check, spreadsheet, graphics, database, and communications. It targeted the lower end and first time computer buyers. It competed against other all in one office suites such as FrameWork, PFS First Choice, and Microsoft Works

• 1.0

Lucid 3-D (1988) 3 Spreadsheet DOS

Lucid 3-D, created by PCSG, Inc. and sold by DacEasy, Inc., is a spreadsheet program for MS-DOS. The feature that sets it apart from others is that it is memory-resident, so you can bring it up on top of other DOS programs and exchange data with them. Unlike simple TSRs, however, Ludid 3D is a full featured spreadsheet. It features linking, macros, windowing, intelligent recalculation, background recalculation, and user-definable functions.

• 1.x
• 2.x

Lumena (1985) 3 Graphics DOS

Lumina is a comprehensive, feature-packed, high resolution, high-end graphics drawing system targeted at professional computer artists. It requires the use of high resolution displays and graphics tablets. Time Arts also produced video and tablet hardware as well as complete computer systems.

• 1.x

Mace Utilities (1987) 4 Utility DOS

The Mace Utilities, from Paul Mace Software, is a suite of disk and system tools similar to the Norton Utilities and PC-Tools. Notable features in included the ability to undelete files, recover re-formatted disks, a defragmenter, and disk caching software. In 1989, Paul Mace Software Inc sold the Mace Utilities to 5th Generation Systems. After "Mace Express" in 1991, the product seemed to vanish?

• 4.x
• 5.x
• v1990

Mark Williams Let's C (1986) 2 DOS

The Mark Williams Let's C compiler was powerful C compiler for MS-DOS. Let's C was a subset of the Mark Williams C Programming System, and the first low cost entry-level professional C compiler for the IBM PC. It was also the first compiler to have a C source-level debugger. executables than any other compiler on the market at the time. It supports both large and small x86 models, and supports the 8087 math co-processor. It competed against compilers from Digital Research, Lattice, Computer Innovations, and Microsoft. language, plus extensions to C implemented under UNIX. Includes an assembler, loader, archiver, advanced symbolic debugger. C shell, utilities and Micro-EMACS, a full-screen editor. Unix and the Atari ST. Let's C is fully compatible, so C programs can easily be ported between the ST and IBM PC. Coherent, the first commercially viable Unix clone.

• 3.x
• 4.x

MasterModeller (1984) 1 Financial DOS

MasterModeller is a model-designing program. With it, you design financial models that enable you to analyze your figures, produce forecasts, and test the effects of decisions. You can set up as many models as you like, sort them all on disk, and use them whenever you need to.

• 2.x

MatLab (1986) 10 Mathematics DOS

MatLab is a high speed, interactive programming utility for manipulating, calculating, and plotting complicated mathematical equations. It is considered easy to use for those familiar with typical algebra equations.

• 1.x (DOS)
• 3.5 (DOS)

Max Blast (1999) 1 DOS

Max Blast is a utility for setting up Maxtor hard drives. It includes a partitioning tool, BIOS overlay, bad sector re-mapping, and an advanced diagnostic program. It also includes 32-bit mode IDE drivers for Windows 3.1.

• Plus 1.x
• Plus II

MAXLLF - Maxtor Low Level Format Utility (1996) 6 DOS

MAXLLF is a utility for low level formatting IDE (PATA) hard disks drives. Technically, on newer IDE drives this simply wipes the drive, but also forces bad/weak sectors to re-map to spares. Supports CHS and LBA up to 127GB and works with any brand of drive (not just Maxtor).

• 1.1

Micro Focus Cobol (1993) 5 DOS

Micro Focus COBOL is a powerful high-speed COBOL language compiler that supported cross platform development between DOS, Windows, OS/2 and Unix. It features an interface developer for both GUIs and text mode, a code debugger, a code analyzer, and later versions included support for object oriented code development. It claimed it made COBOL programmers more efficient, while speeding up migration from mainframes to personal computers.

• 3.x

Microlog-Xedex Baby Blue Drivers (1983) 5 DOS

This is the software needed to test and operate a Baby Blue expansion card. The Baby Blue is a Z80 based CPU card that enables an IBM PC to seamlessly run CP/M-80 programs under MS-DOS.

• 1983-1984

Microsoft Business Basic Compiler (1984) 5 DOS

Microsoft's Business Basic Compiler is a special BASIC variant that is designed to create high performance compiled code, with a focus on numeric floating-point accuracy and additional database-like features.

• 1.x

Microsoft Cash Plan (1984) 1 Financial DOS

Microsoft Cash Plan is a tool that guides you through the process of creating cash flow analysis spreadsheets for use with Microsoft Multiplan. It was marketed as a cash flow analysis tool alongside Multiplan. It was written by leading authorities in finance and accounting, with documentation designed to answer questions about cash planning principles, and includes a tutorial program.

• 1.x

Microsoft COBOL (1980) 22 DOS Windows

Cobol is a high level language designed for use in business that uses English-like commands. Microsoft got its early start by producing language products such as this one. Their other early language products included Microsoft Fortran, Microsoft Pascal, Microsoft Basic, and Macro Assembler. This product was also licensed to IBM as IBM Cobol Compiler.

• 1.x
• 2.x
• 3.x
• 4.5
• 5.0

Microsoft Flight Simulator (1982) 90 DOS

Flight Simulator is simulation "game" in which you pilot an airplane around the world. It started off as subLOGIC Flight Simulator on the Apple II, but was OEMed by Microsoft for the IBM PC. It was very popular, and one of few early games to provide a "3d" experience.

• 1.x
• 2.x
• 3.x
• 4.x
• 5.x