Source: https://seerepo.com/compare/denoland/deno/vs/RightNow-AI/openfang
Markdown source: https://seerepo.com/compare/denoland/deno/vs/RightNow-AI/openfang.md
Description: deno and openfang share 10 technologies: rusqlite, SQLite, Tokio, tower, ed25519-dalek, hmac, argon2, zip, tracing, and tracing-subscriber. Both are written in Rust.

# deno vs openfang

deno and openfang share 10 technologies: rusqlite, SQLite, Tokio, tower, ed25519-dalek, hmac, argon2, zip, tracing, and tracing-subscriber. Both are written in Rust.

- [denoland/deno](https://seerepo.com/r/denoland/deno): A modern runtime for JavaScript and TypeScript.
- [RightNow-AI/openfang](https://seerepo.com/r/RightNow-AI/openfang): Open-source Agent Operating System

## What they share and what sets them apart

- In common: rusqlite, SQLite, Tokio, tower, ed25519-dalek, hmac, argon2, zip, tracing, tracing-subscriber
- Only in deno: React, wgpu, crossterm, keyring, hkdf, image, plist, log, opentelemetry, tracing-opentelemetry, env_logger
- Only in openfang: Tauri, axum, FastAPI, uvicorn, rumqttc, wasmtime, Ratatui, tauri-plugin-notification, tauri-plugin-dialog, LangChain, langchain-ollama, langchain-openai, rmcp, html-escape, imap, lettre, mailparse, roxmltree, qrcode, pino

## Side by side

| | deno | openfang |
|---|---|---|
| Size | 1,217,015 lines written, 1,355 code files | 215,772 lines written, 277 code files |
| Who writes it | 2.4% of its commits signed by AI. With Claude Code, GitHub Copilot, Cursor, and Codex | 15.3% of its commits signed by AI. With Claude Code, GitHub Copilot, Cursor, and Codex |
| Activity | Last push October 29, 2026, 17,392 commits, 108,801 stars | Last push July 2, 2026, 437 commits, 18,243 stars |
| Tests | 4,394 test files. 6.1% of its code files have a test that imports them | 14 test files |

- 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 openfang?

deno, with 1,217,015 lines written; openfang has 215,772.

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

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

deno, with 108,801 stars; openfang has 18,243.

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

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

deno, with 4,394 test files; openfang has 14.

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

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

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

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

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

openfang: an AI signed 15.3% of its commits, with Claude Code, GitHub Copilot, Cursor, and Codex; in deno, 2.4%.

The proof: [the commits each tool signed in RightNow-AI/openfang](https://seerepo.com/r/RightNow-AI/openfang/ai)

## Sources

- denoland/deno: Read on November 4, 2026, at commit e7b39eb (https://github.com/denoland/deno/tree/e7b39ebd55c85aaf6a29290c1f5a99e2e21e09dd)
- RightNow-AI/openfang: Read on November 6, 2026, at commit acf2587 (https://github.com/RightNow-AI/openfang/tree/acf2587e46be174c10200489c9a2d23a39a98aeb)

## 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.