Lattice C (1984) 19 DOS

Lattice C was originally released by Lifeboat Associates in June 1982 for the IBM PC. Microsoft repacked Lattice C as "Microsoft C 2.0", however Microsoft C 3.0 and later used Microsoft's internally developed product instead. Lattice C was ported to MVS, VMS, Unix, OS/2, Amiga, Atari ST, and Sinclair.

• 2.x
• 3.x

Leading Edge Word Processing (1985) 0 Word Processor DOS

Leading Edge Word Processing is an "easy to use", yet full-featured, word processor bundled with Leading Edge computers. It has operational similarities similar to Wang word processing systems. At release, special features included split-screen, delete recall, the ability to display and print color text, and character based graphics.

• 1.x

Learn To Use DOS (1991) 0 Education DOS

This is a nice little program for those MS DOS 5 users out there. It is a complete introduction to MS DOS that teaches you essential things to use MS DOS. MS DOS doesn't have to be hard, it's very easy! Just ask this program! This product is similar to Microsoft Learn DOS.

• 1991

Lemmings (1994) 4 DOS

Lemmings is a puzzle platform game originally published for the Amiga in 1991. The objective is to guide a group of humanonid lemmings through mazes to the exit. You must dtermine how to assign a limited amount of 8 unique skills to specific lemmings. These kills allow a lemming to alter the terrain, affect behavior of others, or to clear obsticles. It was a highly popular game in the early 1990s and came in several sequels and spin-offs.

• 3D

LetterPerfect (1992) 2 Word Processor DOS

Introduced in 1990 by WordPerfect Corp, LetterPerfect is a lightweight low-cost version of WordPerfect 5.1.

• 1.0

Lighthouse Design Ltd Productivity Applications for NEXTSTEP and OpenStep (1995) 2 Word Processor Spreadsheet Presentations Graphics Publishing Communications Other Database Mathematics Other

Lighthouse Design Ltd Productivity Applications is an application suite of programs for NeXT computers.

• MAY 1995

Lightning (1987) 0 Utility DOS

Lightning disk cache, from Personal Computer Support Group, is one of the earlier disk caching programs for MS-DOS IBM PCs and compatibles. It supports read and write caching of both floppy and hard disk drives, and can use EMS memory. as smaller name programs such as Super PC-Kwik.

• 4.x

Lightning Word Wizard (1986) 1 DOS

Borland Lightning Word Wizard is a set of development source code and sample programs that enable you to make use of Turbo Lightning advanced database engine features from within your own programs.

• 1.00

LIMSIM (1989) 1 DOS

LIMSIM is a relatively easy-to-use commercial program for 286 based and later computers that emulates paged EMS memory using standard 286/386 XMS memory.

• LIMSIM

LinkRight (1994) 0 Communications DOS OS2

LinkRight is a serial/parallel port file transfer utility for OS/2, and includes a DOS version. The included LinkRight Cloner tool copies a complete OS/2 partition including boot information. It is similar to LapLink, and can use a "LapLink" parallel cable.

• 1.x

LogicTree (1988) 0 Database DOS

Logictree, From CAM Software, is an easy to use Expert System program that makes decisions based on a programmed "tree" of information.

• Demo

Logitech Modula 2 (1984) 15 DOS

Back before Logitech just sold mice, they produced a programming development system based on the Modula-2 language. efficient native code, and included a symbolic debugger. There were versions for both PC-DOS and CP/M-86.

• 1.x
• 2.x
• 3.x

Logitech Mouseware (1987) 8 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) 1 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) 118 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) 2 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) 7 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 Improv (1991) 8 Spreadsheet Other

Improv is a spreadsheet program that attempted to re-imagine how one would create and interact with spreadsheets. It was first released in 1991 for NeXT computers, and for a time became one of the NeXT's "Killer Apps". In 1993 Lotus released Improv 2.0 for Microsoft Windows. It was not marketed as a direct replacement to Lotus 1-2-3, and 1-2-3 remained dominant until both were overtaken by Microsoft Excel.

• 1.0

Lotus Magellan (1989) 3 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) 1 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) 3 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) 4 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) 0 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) 0 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