Rocket.Chat vs umi

Rocket.Chat and umi share 6 technologies: React, Vite, Express, react-router-dom, history, and pino. Both are written in TypeScript.

Read it as markdown

What they share and what sets them apart

RocketChat

Rocket.Chat

The Secure CommsOS™ for mission-critical operations

TypeScript46.4kRead on November 10, 2026, at commit f37d829What is Rocket.Chat built with?

Only in Rocket.Chat

In common

Only in umi

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
Rocket.Chat943,798 lines written8,398 code files
umi381,687 lines written1,543 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
Rocket.Chat1% of its commits signed by AIWith Claude Code, GitHub Copilot, CodeRabbit, Cursor, and Devin
umi0.1% of its commits signed by AIWith Claude Code and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
Rocket.ChatLast push November 10, 202625,089 commits46,384 stars
umiLast push November 5, 20267,724 commits16,051 stars
TestsThe files that test the code, and the share of code files a test imports.
Rocket.Chat2,085 test files17.8% of its code files have a test that imports them
umi398 test files9.1% of its code files have a test that imports them

Frequently asked questions

Which is bigger, Rocket.Chat or umi?
Rocket.Chat, with 943,798 lines written; umi has 381,687.

The proof: RocketChat/Rocket.Chat's code at commit f37d829

Which has more GitHub stars, Rocket.Chat or umi?
Rocket.Chat, with 46,384 stars; umi has 16,051.

The proof: RocketChat/Rocket.Chat on GitHub

Which has more tests, Rocket.Chat or umi?
Rocket.Chat, with 2,085 test files; umi has 398.

The proof: RocketChat/Rocket.Chat's code at commit f37d829

Which was updated more recently, Rocket.Chat or umi?
Rocket.Chat: its last push was on November 10, 2026, and umi's on November 5, 2026.

The proof: RocketChat/Rocket.Chat's commits on GitHub

Which has more commits signed by AI, Rocket.Chat or umi?
Rocket.Chat: an AI signed 1% of its commits, with Claude Code, GitHub Copilot, CodeRabbit, Cursor, and Devin; in umi, 0.1%.

The proof: the commits each tool signed in RocketChat/Rocket.Chat

See inside your code, today.

Paste your repo and see it drawn, part by part: a medium one in under a minute.

Free, no account.

Or look inside SeeRepo's own →