Ask HN: What's the most exciting thing you've built?
It's taken 4 years to develop to the point where I think the spec looks good enough for release.
All that's left now is to finish off the reference implementation and write a quick command-line schema validator, then release 1 will be ready :)
http://sparrowhub.io:2222 - CI service for Raku community modules
PDF Reviewer (https://www.pdfreviewer.com/) - A cloud-based PDF reading and annotating service, which enables users to comment PDF files in Markdown, with Latex Equations supported.
It is an alternative to products like zenreader/polar/readwise.
A SaaS for creating Bitcoin Cash invoices that generated 500k in revenue before being overtaken by BitPay.