The Buckets (budgetwithbuckets) budgeting app is also a personal favourite of mine. Unlimited evaluation period, no subscriptions and even a regional pricing program called “Buckets by the Loaf”. I really love how they go about it
They’re the maintainers of the most popular JS PGP library and they’re pushing for some major upgrades to the PGP standard. There’s no competing standard. Proton is pretty much the only popular encrypted mail provider that actually does interop well enough.