A million years ago we had Microsoft Office, PerfectOffice, Lotus SmartSuite, Lotus Symphony (which became one of the free suites), and others I can't remember.
Then we had a bunch of Java and web versions built of various office appplications.
It would be a massive undertaking to create a new office suite from scratch.
As much as everyone complains about Microsoft Office the historic alternatives were all much worse and eventually all collapsed under their own weight.
Companies that had a successful niche, like Lotus, failed to keep up.
A million years ago we had Microsoft Office, PerfectOffice, Lotus SmartSuite, Lotus Symphony (which became one of the free suites), and others I can't remember.
Then we had a bunch of Java and web versions built of various office appplications.
It would be a massive undertaking to create a new office suite from scratch.