







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

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.

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

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.
I am sorry, but everyone is getting syntax highlighting wrong
Applying human ergonomics and design principles to syntax highlighting

Syntax - Web Development Podcast
Full Stack Web Developers Wes Bos and Scott Tolinski dive deep into web development, CSS, JavaScript, Frameworks, Typescript, Servers and more. Listen in 2 times a week!
KPaste - Share Code & Text Snippets
Share code and text snippets with syntax highlighting, paste management, and easy sharing. Built on ATProto.

Markdown | Codecademy
Markdown is a lightweight markup language for creating formatted text using a plain-text editor.

Building an Open-Source Alternative to Cursor with Code Context - Milvus Blog
Code Context—an open-source, MCP-compatible plugin that brings powerful semantic code search to any AI coding agent, Claude Code and Gemini CLI, IDEs like VSCode, and even environments like Chrome.

Textile Markup Language Documentation
The official documentation for Textile Markup Language - A humane web text generator.

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…)