Grist - Grist makes it easy to transform spreadsheets into a custom database where data is truly actionable.

Bell+Cat - Simpler than spreadsheets

Rows - The spreadsheet where teams work faster

Rowy - Rowy is an open-source low-code platform to build your product, from MVP to scale. Manage your database in a spreadsheet-like UI, write Cloud Functions effortlessly in the browser, build automation with ready-made extensions to your favorite tools.

NocoDB - The Open Source Airtable alternative

Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.