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). Translate-Toolkit is used internally to extract text for translation from .odt to .xliff files and to merge translation back into .odt file.
The packages for RHEL 8 and RHEL 7 are in each distribution’s respective Extra Packages for Enterprise Linux (EPEL) repository. The instructions for adding this repository diverge slightly between RHEL 8 and RHEL 7, which is why they’re listed separately below.
The EPEL repository can be added to RHEL 8 with the following command: