Source: https://seerepo.com/compare/atuinsh/atuin/vs/jj-vcs/jj
Markdown source: https://seerepo.com/compare/atuinsh/atuin/vs/jj-vcs/jj.md
Description: atuin and jj share 7 technologies: Tokio, Ratatui, crossterm, ansi-to-tui, rpassword, tracing, and tracing-subscriber. Both are written in Rust.

# atuin vs jj

atuin and jj share 7 technologies: Tokio, Ratatui, crossterm, ansi-to-tui, rpassword, tracing, and tracing-subscriber. Both are written in Rust.

- [atuinsh/atuin](https://seerepo.com/r/atuinsh/atuin): ✨ Making your shell magical
- [jj-vcs/jj](https://seerepo.com/r/jj-vcs/jj): A Git-compatible VCS that is both simple and powerful

## What they share and what sets them apart

- In common: Tokio, Ratatui, crossterm, ansi-to-tui, rpassword, tracing, tracing-subscriber
- Only in atuin: axum, rusqlite, sqlx-mysql, sqlx-postgres, sqlx-sqlite, sqlx, SQLite, libsqlite3-sys, MySQL, Postgres, tower, objc2-foundation, ratatui-core, indicatif, sql-builder, argon2, rmcp, pulldown-cmark, minijinja, plist, yaml-rust2, schemars, metrics, listenfd, metrics-exporter-prometheus, OpenTelemetry, opentelemetry-otlp, tracing-appender, tracing-futures, tracing-opentelemetry
- Only in jj: clru, sapling-renderdag, tracing-chrome

## Side by side

| | atuin | jj |
|---|---|---|
| Size | 240,516 lines written, 561 code files | 284,964 lines written, 313 code files |
| Who writes it | 1.2% of its commits signed by AI. With Claude Code | 0.1% of its commits signed by AI. With Gemini CLI and Claude Code |
| Activity | Last push November 7, 2026, 2,555 commits, 32,230 stars | Last push November 7, 2026, 12,142 commits, 32,392 stars |
| Tests | 64 test files. 15.3% of its code files have a test that imports them | 128 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, atuin or jj?

jj, with 284,964 lines written; atuin has 240,516.

The proof: [jj-vcs/jj's code at commit 7fdb0d1](https://github.com/jj-vcs/jj/tree/7fdb0d1088f3592e73e31967b21322ef2299ce85)

### Which has more GitHub stars, atuin or jj?

jj, with 32,392 stars; atuin has 32,230.

The proof: [jj-vcs/jj on GitHub](https://github.com/jj-vcs/jj)

### Which has more tests, atuin or jj?

jj, with 128 test files; atuin has 64.

The proof: [jj-vcs/jj's code at commit 7fdb0d1](https://github.com/jj-vcs/jj/tree/7fdb0d1088f3592e73e31967b21322ef2299ce85)

### Which was updated more recently, atuin or jj?

Both got their last push on November 7, 2026.

The proof: [jj-vcs/jj's commits on GitHub](https://github.com/jj-vcs/jj/commits)

### Which has more commits signed by AI, atuin or jj?

atuin: an AI signed 1.2% of its commits, with Claude Code; in jj, 0.1%.

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

## Sources

- atuinsh/atuin: Read on November 7, 2026, at commit 28fcb3d (https://github.com/atuinsh/atuin/tree/28fcb3db32e5550543fc7ed93537963e246abf7c)
- jj-vcs/jj: Read on November 7, 2026, at commit 7fdb0d1 (https://github.com/jj-vcs/jj/tree/7fdb0d1088f3592e73e31967b21322ef2299ce85)

## 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.