1. Mastodon BackupArchive your statuses, favorites and media using the Mastodon API (i.e. login required)
3. NumbersHandwritten digits, a bit like the MNIST dataset.
4. GridmapperA little Javascript/SVG application to create dungeon maps for role-playing games.
5. OddmuseA simple wiki engine written in Perl. No database required.
7. hex-mappingTools to work with hex maps for roleplaying games. Usually web applications written in Perl and producing SVG output.