LibreOffice is described as 'Free and open-source office suite with advanced word processing, spreadsheets, presentations, vector graphics, math formula editor, and database tools' and is a leading Word Processor in the office & productivity category. There are more than 50 alternatives to LibreOffice for a variety of platforms, including Windows, Web-based, Android, iPhone and Android Tablet apps. The best LibreOffice alternative is ONLYOFFICE. It's not free, so if you're looking for a free alternative, you could try ONLYOFFICE or Microsoft 365 Copilot. Other great apps like LibreOffice are CryptPad, Apache OpenOffice, Google Sheets and Collabora Office Classic.
It does not require Java to be installed before running any applications. It is also a much smaller but more efficient office suite.