The most useful tool for figuring how how far away two airports are.
Web based PDF dual screen viewer for Beamer presentations.
Timatic is the system that airlines use to determine who can/can't board. It's probably the single best thing to look at for concise description of boarding requirements.
tool for scheduling posts to Mastodon
"hind-cite is a set of tools & data for analyzing the time-based performance of Hacker News posts."
Real-time collaboration within Emacs/vim/etc using a proprietary network service. Like what gobby/rudel is supposed to do but less free!
Interesting conversation. I'm pretty sure the bug filer is mostly wrong. But still an interesting conversation.
I will convert your Excel data into one of several web-friendly formats, including HTML, JSON and XML.
Project page for google-blockly, which looks a whole lot like Scratch, just without all the fun kids stuff.