We've launched an open beta for EqualTo Sheets: <a href="https://sheets.equalto.com/" rel="nofollow">https://sheets.equalto.com/</a><p>EqualTo Sheets scratches an itch I've had for some time: convenient spreadsheet technology for developers. If you have ever wanted to "white-label" Google Sheets in your product, you should consider checking us out. Our spreadsheet tech supports:<p>- Import / export XLSX files<p>- Nice spreadsheet widget you can embed anywhere using our HTML/JS snippet<p>- CRUD via GraphQL and REST APIs<p>- Simulation API to support "what if" analysis of a workbook<p>- Support for 182 (and growing) of Excel's ~450 functions<p>EqualTo Sheets is _not_ a "spreadsheet on steroids" like Airtable/etc, we don't juice :P<p>Excel compatibility is a priority.<p>Some additional details:<p>- What to expect after signup: <a href="https://www.youtube.com/watch?v=HobLlnD7Im0&t=00m33s">https://www.youtube.com/watch?v=HobLlnD7Im0&t=00m33s</a><p>- EqualTo Sheets beta README: <a href="https://sheets.equalto.com/beta-readme" rel="nofollow">https://sheets.equalto.com/beta-readme</a><p>- Bindings for React, powered by Rust.<p>Diarmuid / co-Founder of EqualTo<p>diarmuid.glynn@equalto.com