Source: https://seerepo.com/compare/denoland/deno/vs/tailwindlabs/tailwindcss
Markdown source: https://seerepo.com/compare/denoland/deno/vs/tailwindlabs/tailwindcss.md
Description: deno and tailwindcss share 3 technologies: log, tracing, and tracing-subscriber. deno is written in Rust and tailwindcss in TypeScript.

# deno vs tailwindcss

deno and tailwindcss share 3 technologies: log, tracing, and tracing-subscriber. deno is written in Rust and tailwindcss in TypeScript.

- [denoland/deno](https://seerepo.com/r/denoland/deno): A modern runtime for JavaScript and TypeScript.
- [tailwindlabs/tailwindcss](https://seerepo.com/r/tailwindlabs/tailwindcss): A utility-first CSS framework for rapid UI development.

## What they share and what sets them apart

- In common: log, tracing, tracing-subscriber
- Only in deno: React, rusqlite, SQLite, Tokio, tower, wgpu, crossterm, ed25519-dalek, hmac, keyring, argon2, hkdf, image, zip, plist, opentelemetry, tracing-opentelemetry, env_logger
- Only in tailwindcss: H3, Vite, lightningcss, PostCSS, postcss-import, tailwindcss, postcss-selector-parser

## Side by side

| | deno | tailwindcss |
|---|---|---|
| Size | 1,217,015 lines written, 1,355 code files | 165,694 lines written, 231 code files |
| Who writes it | 2.4% of its commits signed by AI. With Claude Code, GitHub Copilot, Cursor, and Codex | 0.2% of its commits signed by AI. With Claude Code, CodeRabbit, and Codex |
| Activity | Last push October 29, 2026, 17,392 commits, 108,801 stars | Last push November 2, 2026, 6,086 commits, 98,062 stars |
| Tests | 4,394 test files. 6.1% of its code files have a test that imports them | 137 test files. 36.4% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, deno or tailwindcss?

deno, with 1,217,015 lines written; tailwindcss has 165,694.

The proof: [denoland/deno's code at commit e7b39eb](https://github.com/denoland/deno/tree/e7b39ebd55c85aaf6a29290c1f5a99e2e21e09dd)

### Which has more GitHub stars, deno or tailwindcss?

deno, with 108,801 stars; tailwindcss has 98,062.

The proof: [denoland/deno on GitHub](https://github.com/denoland/deno)

### Which has more tests, deno or tailwindcss?

deno, with 4,394 test files; tailwindcss has 137.

The proof: [denoland/deno's code at commit e7b39eb](https://github.com/denoland/deno/tree/e7b39ebd55c85aaf6a29290c1f5a99e2e21e09dd)

### Which was updated more recently, deno or tailwindcss?

tailwindcss: its last push was on November 2, 2026, and deno's on October 29, 2026.

The proof: [tailwindlabs/tailwindcss's commits on GitHub](https://github.com/tailwindlabs/tailwindcss/commits)

### Which has more commits signed by AI, deno or tailwindcss?

deno: an AI signed 2.4% of its commits, with Claude Code, GitHub Copilot, Cursor, and Codex; in tailwindcss, 0.2%.

The proof: [the commits each tool signed in denoland/deno](https://seerepo.com/r/denoland/deno/ai)

## Sources

- denoland/deno: Read on November 4, 2026, at commit e7b39eb (https://github.com/denoland/deno/tree/e7b39ebd55c85aaf6a29290c1f5a99e2e21e09dd)
- tailwindlabs/tailwindcss: Read on November 4, 2026, at commit 2626ae6 (https://github.com/tailwindlabs/tailwindcss/tree/2626ae6ceddf36069ab6d55c53a5857c1e2e360a)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.