It’s not just fixing problems though. The tax code has changes every year, so the software must be updated accordingly, which is a lot of drudgery. Open source

It’s not just fixing problems though. The tax code has changes every year, so the software must be updated accordingly, which is a lot of drudgery. Open source can handle drudgery if there’s a big, passionate community. So you’d need a lot of people who are passionate about the tax code and about OSS. I’d like to see that Venn diagram.