Sure, Excel is awesome.

But have you considered these open source alternatives?

They are free, self-hostable and community-driven.

Check by yourself:  NocoDB ,  Grist .

  1. So is NocoDB

    Open-source Airtable alternative

    ★ 58.4K Database Data Spreadsheet License: AGPL-3.0

    NocoDB is the fastest and easiest way to build databases online.

  2. So is Grist

    The modern relational spreadsheet

    ★ 9.9K Spreadsheet Database License: Apache-2.0

    Grist is a modern relational spreadsheet. It combines the flexibility of a spreadsheet with the robustness of a database.