I don't know why nobody mentions this, but if you DO unbundle a feature from excel, it is exceptionally hard to compete on ubiquity. Excel is cheap, and even if you replace part of the functionality, nobody will ever actually beat the price.<p>Personally, I wish I had an excel-like interface for Python/Pandas. Instead of sheets, give me modular data frames, and give me a nice GUI for data import/export/connection.<p>But, the best feature of excel is that the interpreter is built in. No version control, no wondering which version of whatever library is installed. If it is excel, it (mostly) works when I send a file to someone.<p>Most of the time, I use excel because the SaaS tools that I have that do a better job have a per/seat cost that is MUCH too high for me to bring casual, one time people into the projects. If companies were more sensible about licenses for casual users, maybe excel would be less relevant.