Source: https://seerepo.com/compare/cloudflare/quiche/vs/denoland/deno
Markdown source: https://seerepo.com/compare/cloudflare/quiche/vs/denoland/deno.md
Description: quiche and deno share 4 technologies: hashlink, Tokio, log, and env_logger. Both are written in Rust.

# quiche vs deno

quiche and deno share 4 technologies: hashlink, Tokio, log, and env_logger. Both are written in Rust.

- [cloudflare/quiche](https://seerepo.com/r/cloudflare/quiche): 🥧 Savoury implementation of the QUIC transport protocol and HTTP/3
- [denoland/deno](https://seerepo.com/r/denoland/deno): A modern runtime for JavaScript and TypeScript.

## What they share and what sets them apart

- In common: hashlink, Tokio, log, env_logger
- Only in quiche: foundations, plotters, inquire, tabled, slog-scope, slog-stdlog
- Only in deno: rusqlite, SQLite, denokv_proto, denokv_remote, denokv_sqlite, deno_core, deno_lib, deno_snapshots, tower, laufey, cssparser, deno_terminal, wgpu, wgpu-types, crossterm, ed25519-dalek, hmac, keyring, argon2, hkdf, pbkdf2, deno_image, jsonc-parser, image, lcms2, yaml_parser, zip, backhand, cab, cfb, msi, plist, deno_webidl, tracing, OpenTelemetry, opentelemetry-otlp, tracing-opentelemetry, opentelemetry-http, opentelemetry-semantic-conventions, tracing-subscriber

## Side by side

| | quiche | deno |
|---|---|---|
| Size | 149,459 lines written, 184 code files | 1,217,014 lines written, 1,347 code files |
| Who writes it | 0% of its commits signed by AI | 2.4% of its commits signed by AI. With Claude Code, GitHub Copilot, Cursor, and Codex |
| Activity | Last push November 10, 2026, 2,590 commits, 12,860 stars | Last push October 29, 2026, 17,392 commits, 108,924 stars |
| Tests | 28 test files. 23.9% of its code files have a test that imports them | 4,393 test files. 6.1% 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, quiche or deno?

deno, with 1,217,014 lines written; quiche has 149,459.

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

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

deno, with 108,924 stars; quiche has 12,860.

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

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

deno, with 4,393 test files; quiche has 28.

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

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

quiche: its last push was on November 10, 2026, and deno's on October 29, 2026.

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

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

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

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

## Sources

- cloudflare/quiche: Read on November 10, 2026, at commit b364fdf (https://github.com/cloudflare/quiche/tree/b364fdfee3799d8c469d5cd8f5693fafb420a466)
- denoland/deno: Read on November 9, 2026, at commit e7b39eb (https://github.com/denoland/deno/tree/e7b39ebd55c85aaf6a29290c1f5a99e2e21e09dd)

## 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.