InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more →
Top 23 JavaScript syntax-highlighting Projects
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Every time a request come in, we forward it to the pkg.go.dev server, then append the highlight.js script to the response before sending it back to the client.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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remarkable
Markdown parser, done right. Commonmark support, extensions, syntax plugins, high speed - all in one. Gulp and metalsmith plugins available. Used by Facebook, Docusaurus and many others! Use https://github.com/breakdance/breakdance for HTML-to-markdown conversion. Use https://github.com/jonschlinkert/markdown-toc to generate a table of contents.
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markdown-plus-plus
Markdown syntax highlighting for Notepad++, by customized UDL file (user defined language)
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Project mention: Code Blocks – Syntax Highlighting for Google Docs | news.ycombinator.com | 2025-04-07
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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Aris
Aris - A fast and powerful tool to write HTML in JS easily. Includes syntax highlighting, templates, SVG, CSS autofixing, debugger support and more...
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json-formatter
A Browser Extension to format JSON in the browser automatically. Available with 60+ Themes, Syntax Highlighting, automatically linkifies links and more. (by arnav-kr)
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Ace-Editor-Web-Component
A web-component to add code editors to your web page powered via Ace Editor
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adblock-filter-analyzer
AdBlock Filter Syntax code highlighter and partial validator. Colorizes and explains the syntax. Good for learning.
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sveltekit-shiki-code-highlighting
SvelteKit Shiki syntax highlighting: use any VSCode colour theme to accessibly syntax highlight code on your SvelteKit app with line numbers.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
JavaScript syntax-highlighting discussion
JavaScript syntax-highlighting related posts
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Code Blocks – Syntax Highlighting for Google Docs
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Show HN: Txtl – Fast static website of text utilities
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A better pkg.go.dev
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Day 19: Highlight'em up! 🔖
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GitHub Markdown Cheat Sheet for Hacktoberfest
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Dev.to and GitHub usage pl Syntax Highlighter
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Five Syntax Highlighting Plugins for NextJS that aren't Terrible 🎨
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A note from our sponsor - InfluxDB
www.influxdata.com | 25 Jun 2025
Index
What are some of the best open-source syntax-highlighting projects in JavaScript? This list will help you:
# | Project | Stars |
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1 | Highlight.js | 24,410 |
2 | remarkable | 5,800 |
3 | markdown-plus-plus | 1,518 |
4 | visual-studio-code | 1,115 |
5 | lowlight | 840 |
6 | refractor | 815 |
7 | code-blocks | 722 |
8 | rehype-highlight | 303 |
9 | gatsby-remark-vscode | 295 |
10 | babel-plugin-prismjs | 159 |
11 | notepadplusplus | 146 |
12 | tree-sitter-sql | 117 |
13 | theme-bluloco-light | 104 |
14 | lighter | 97 |
15 | Aris | 91 |
16 | json-formatter | 84 |
17 | Ace-Editor-Web-Component | 54 |
18 | vscode-motoko | 46 |
19 | markcat | 42 |
20 | rehype-starry-night | 18 |
21 | adblock-filter-analyzer | 17 |
22 | sveltekit-shiki-code-highlighting | 11 |
23 | highlightjs-raku | 8 |