The best open source alternative to Better PO Editor is Poedit. If that doesn't suit you, our users have ranked more than 10 alternatives to Better PO Editor and eight of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Better PO Editor are Lokalize, Virtaal, Gtranslator and Fluent.
Poedit is cross-platform gettext catalogs (.po files) editor. It is built with wxWidgets toolkit and can run on any platform supported by it (although it was only tested on Unix with GTK+ and Windows). It aims to provide more convenient approach to editing catalogs than...
Lokalize is the localization tool for KDE software and other free and open source software. It is also a general computer-aided translation system (CAT) with which you can translate OpenDocument files (*.odt).
Virtaal is a graphical translation tool. It is meant to be easy to use and powerful at the same time. Although the initial focus is on software translation (localisation or l10n), it can be useful for document translation.
GNOME Translation Editor (Formerly known as Gtranslator) is an enhanced gettext po file editor for the GNOME desktop environment. It handles all forms of gettext po files and includes features such as Find/Replace, Translation Memory, different Translator Profiles, Messages...
Innovative: Natural-sounding translations with genders and grammatical cases when necessary. Locale-specific logic doesn't leak to other locales.
Open-source localization toolkit with tools for text conversion, review, debugging, format conversion, and terminology extraction across formats like PO, XLIFF, DTD, and CSV, customizable for projects, with Python utilities and online documentation.
React Intl Editor is an open-source editor for translation files generated by react-intl-translations-manager.
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