SSE

Computing

Senior software engineer
Server-sent events, a technology to push content to web clients
Simple Sharing Extensions, a specification that extends RSS from unidirectional to bidirectional information flows
Sizzle (selector engine), a feature of JQuery allowing CSS-like selection of DOM elements
SPARQL Syntax Expressions
SQL Server Express Edition, Microsoft software
Streaming SIMD Extensions, an instruction set extension introduced with the Intel Pentium III
Social Software Engineering, social aspects of software development and the developed software

Shin Seiki Evangelion, an anime produced by Gainax Animation
Spaceship Earth (Epcot), an attraction and icon at Epcot, located in the Walt Disney World Resort
The Sexual Side Effects, an American post-punk rock band
Sins of a Solar Empire, a video game created by Ironclad Games
Subspace Emissary, the main story of the game Super Smash Brothers Brawl

Scottish Standard English, or Standard Scottish English, a dialect of the English language
Standard Singapore English, a dialect of the English language
Sign Supported English, the use of British Sign Language with an English grammar

SSE plc (formerly Scottish and Southern Energy), an energy company in the UK and Ireland
School for Social Entrepreneurs, a training institution in the UK
School of Social Ecology, an academic unit of the University of California, Irvine
Seed Savers Exchange, a seedbank
Seven Seas Entertainment, a North American publisher of Japanese manga
Society for Scientific Exploration, in fringe science
Society for the Study of Evolution, in science
Southern Star Endemol, an Australian television company
Stockholm School of Economics, one of Northern Europe's leading business schools
Stredoslovenská energetika, an energy company in Slovakia
Symbiosis School of Economics, an Economics college in India
Society for the Study of Evolution, a professional organization of evolutionary biologists

Sensitive site exploitation, a military term used by the United States of America to describe retrieving incriminating information from a location
Silk screen effect, a visual phenomenon seen in rear-projection televisions
Soap Suds Enema, an enema given to relieve constipation or for cleansing the colon in general
South-southeast, a compass direction (one of the eight "half-winds")
Submerged signal ejector, a device used by submarines
Sum of squared errors of prediction, in statistics