GlobalSight is a free and open source translation management system (TMS) released under the Apache License 2.0.

From 1997 to 2005 it was called Ambassador Suite and was developed and owned by GlobalSight Corp. that according to Red Herring magazine was one of the "ten companies to watch" in 1999.

[2] In January 2009 after replacing the proprietary technology used in the product (workflow, database, object relationship mapping, middleware, directory management and scheduling)[2] with open source components Welocalize released version 7.1.

[1] The Steering committee formed by representatives of the main companies currently involved in the project are listed here.

[10] According to the Translator and Reviewer Training Guide[11] and the GlobalSight vs WorldServer,[12] the software has the following features: In 2011, Globalme Language & Technology[14] released an open source plugin which connects the back end of a Drupal or Wordpress website to GlobalSight.