







A beautiful yet powerful syntax highlighter

twinkleplop — plop some twinkle in your code
A syntax highlighter and code authoring toolkit. Small, fast, customisable.

Lumis - Syntax Highlighter
Syntax highlighting powered by Tree-sitter and Neovim themes. One API across CLI, Rust, Elixir, JavaScript / TypeScript, browsers, and Java.
On Highlighting Code
How Highlights uses handwritten WebAssembly lexers, SIMD, and incremental tokenization to highlight code at native speed.

Font with Built-In Syntax Highlighting
An experiment in javascript-free syntax highlighting, made possible by opentype contextual alternates and COLR table

Lexicon Embeds Overview
There’s an excellent discussion and thread about syntax highlighting of code blocks happening today: I think most notably there’s some alignment around using a lexicon to represent code blocks (say Tangled’s strings) and embedding those, rather than just doing syntax highlighting w/in the constraints of a bsky post. This seems like a good place to hammer a bunch of things out.

Subtle text "highlighter" in pure CSS

Highlighters
Realistic, customizable highlighter-pen marks for the web. Bindings for React, Vue, and Svelte.

TractorBeam: Malleable AI support for the way that you read - AI in the Last Mile
Introducing TractorBeam, a browser extension to develop custom AI highlighting systems on PDFs
Sublime Text - the sophisticated text editor for code, markup and prose
Available on Mac, Windows and Linux

regex101: build, test, and debug regex
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.

Syntax Club
Share your syntax. Spread knowledge. A place to share, save, and discover code snippets on the AT Protocol.

Maud, a macro for writing HTML
Lua can be a really cool HTML templating engine
It’s a pretty cool language. It is also one of my favourite programming languages, for which I made a case in a past blog post.
Is there a broadly used lexicon for *book* highlights yet? (eg. for your Xteink/KOReader, or highlighted.app, highlights) (I figure this could be handy for sense-making on @semble.so, and for everyone with their new fancy xteink devices…)