TCL

TCL or Tcl or TCLs may refer to:

Computing

• The Common Link, a KOMpatible bulletin board system for MS-DOS
• Transform, clipping, and lighting, a feature of 3D graphics cards
• tCL, CAS latency in RAM timings

Software

• Tcl (Tool Command Language), a computer programming language
• Terminal Control Language, used to program Verifone devices
• Tiny Core Linux, a minimal Linux operating system
• Tymshare Conversational Language, a former experimental interactive language
• Transaction Control Language, a family of computer languages used by database systems to control transactions
• Think Class Library, a class library for Macintosh featured in THINK C

Organisations

• TCL Corporation, a Chinese electronics company
• Texas Collegiate League, a collegiate baseball league
• Theological College of Lanka, a theological college in Sri Lanka
• Trade Centre Limited, a Crown corporation in Nova Scotia
• Trinity College London, the international examination board
• People's Libraries Society (Towarzystwo Czytelni Ludowych), a former educational society in the Prussian partition of Poland
• Transnational College of Lex, a language research institution based in Japan
• Twin City Lines, a former public transit via streetcar in Minneapolis, US

Science

• TCL (GTPase), in biochemistry.
• Tibial collateral ligament, one of the four major ligaments of the knee.

Devices

• Thermostat, Thermostatically controlled load (TCL)

Transportation

• Transports en commun lyonnais, the public transport system in Lyon, France
• Tuscaloosa Regional Airport (IATA code), US