• link-header-parser-ruby – Parse HTTP Link headers.
• nokogiri-html-ext – Extend Nokogiri with several useful HTML-centric features.
• sprockets-sass_embedded – Process and compress Sass files using Sprockets 4 and Embedded Dart Sass.

• <aria-collapsible> – Generate progressively-enhanced collapsible regions using ARIA States and Properties.
• <bandcamp-player> – Generate a Bandcamp embedded player.
• <remote-template> – Fetch a URL and append the response to a <template>.
• <under-construction> – Generate OSHA-compliant barricade tape.

• eleventy-plugin-liquid – Configure the LiquidJS template language.
• eleventy-plugin-markdown – Process Markdown files with markdown-it.
• eleventy-plugin-postcss – Process CSS files with PostCSS.
• eleventy-plugin-sass – Process SCSS files with Dart Sass.

• CashCash – A very small DOM library inspired by jQuery.
• RadioRadio – A very small JavaScript PubSub library.
• RouterRouter – A very small JavaScript routing library extracted from Backbone’s Router.
• TemplateTemplate – A very small JavaScript <template> manipulation library.

• atom-editor.cc and flight-manual.atom-editor.cc – Mirrors of the defunct Atom promotional and documentation websites.
• docs.getchip.cc – A mirror of the defunct Next Thing Co. documentation website.
• spaceholder.cc – A space-themed image placeholder service.

• nasa-apod – A fuller feed of content from NASA's Astronomy Picture of the Day website.
• nasa-iotd – A feed of content from NASA's Image of the Day website.

• Node.js: eslint-config, stylelint-config, stylelint-config-scss
• Ruby: rubocop-configs
• Templates: eleventy-plugin-template, web-component-template

I’ve been involved with the IndieWeb community since 2013. In that time, I’ve created (or contributed to) a few websites and tools.

• indieweb-endpoints-ruby – Discover a URL’s IndieAuth, Micropub, Microsub, and Webmention endpoints.
• MicroMicro – Extract microformats2-encoded data from HTML documents.
• webmention-cli – A command-line interface for Webmention written in Ruby.
• webmention-client-ruby – Send and verify Webmention notifications.

• indieweb-endpoints.cc – Discover a URL’s IndieAuth, Micropub, Microsub, and Webmention endpoints.
• micromicro.cc – Extract microformats2-encoded data from a webpage.
• rel-me.cc – Discover a URL’s published rel="me" links.

• IndieWeb wiki leaderboard – Ranking active users on the IndieWeb wiki.