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LIS (programming language) •
Lis (linear algebra library), library of iterative solvers for linear systems •
Laboratory information system, databases oriented towards medical laboratories •
Land information system, land mapping and cadastre GIS used by local governments •
Language-independent specification, a programming language specification •
Legume Information System, online resources and exploratory tools for legume researchers and breeders •
Linear Integrated Systems, American manufacturer of semiconductors •
Local information systems, collect, store, and disseminate information about small geographic areas •
Location information server, provides location information •
Longest increasing subsequence, algorithm to find the longest increasing subsequence in an array of numbers ==Science==