We got frustrated with lack of tools available to founders to model their SAFE rounds and subsiquent dilutions, so we built an open source library and cap table worksheet.<p>The underlying finance library is MIT licensed and we've done our best to match it up with known sources of truth (Excel spreadsheets from lawyers), along with tests!<p>Feel free to give feedback to either me (mdp@1984.vc), or team@1984.vc