It is by now a trusty enough workhorse for large organizations.
Yes, it's not all the way there: I've filed hundreds of bugs against LibreOffice, and many are still open (not just feature requests); and yes, I have a lot of criticism of the governance. But it is proof that a huge, end-user-facing software project can sustain itself and improve within having to rely on the MS-bucks or the Googlebucks and such.
But a huge project needs a lot of support, and needs to renew its support from new people, so please help out!
https://whatcanidoforlibreoffice.org/
Filing bugs, contributing graphics, translating parts of the UI (which you would be a saint to do since the translation system is the pits), designing document templates, organizing an install-party, getting promotional material and putting it, and of course you can write write code (starting with easy-hacks) or contribute money.
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Due disclosure: I'm a trustee of The Document Foundation, which manages the project. Going to speak at LOConf Asia 2025 in Tokyo later this month: