Computer-assisted translation software that uses GTK

Poedit (formerly poEdit) is a shareware and cross-platform gettext catalog (.po file) editor to aid in the process of language localisation. According to WordPress developer Thord Hedengren, Poedit is "one of the most popular programs" for editing portable language files.

Virtaal () is a computer-assisted translation tool written in the Python programming language. It is free software developed and maintained by Translate.org.za.

Gtranslator is a specialized computer-assisted translation software and po file editor for the internationalization and localization (i18n) of software that uses the gettext system. It handles all forms of gettext po files and includes features such as Find/Replace, Translation Memory, different Translator Profiles, Messages Table (for having an overview of the translations/messages in the po file), Easy Navigation and Editing of translation messages and comments of the translation where accurate. Gtranslator includes also a plugin system with plugins such as Alternate Language, Insert Tags, O