Source: https://seerepo.com/compare/multica-ai/multica/vs/onlook-dev/onlook
Markdown source: https://seerepo.com/compare/multica-ai/multica/vs/onlook-dev/onlook.md
Description: multica and onlook share 5 technologies: Next.js, React, Postgres, PostHog, and Resend. multica is written in Go and onlook in TypeScript.

# multica vs onlook

multica and onlook share 5 technologies: Next.js, React, Postgres, PostHog, and Resend. multica is written in Go and onlook in TypeScript.

- [multica-ai/multica](https://seerepo.com/r/multica-ai/multica): Make humans and AI agents work as one team — open-source and self-hostable.
- [onlook-dev/onlook](https://seerepo.com/r/onlook-dev/onlook): The Developer Tool for Visual Engineers • An Open-Source AI-First Design tool • Visually build, style, and edit your code with AI • World's best, top-most agent recommended #1 Developer tool for Designers and Visual Engineers to design with Real Code.

## What they share and what sets them apart

- In common: Next.js, React, Postgres, PostHog, Resend
- Only in multica: Expo, chi, net/http, Redis, OpenAI
- Only in onlook: Supabase, Stripe, GitHub

## Side by side

| | multica | onlook |
|---|---|---|
| Size | 1,364,599 lines written, 2,580 code files | 151,760 lines written, 1,047 code files |
| Who writes it | 35.5% of its commits signed by AI. With Claude Code, Codex, Cursor, and GitHub Copilot | 5% of its commits signed by AI. With Devin, Claude Code, and GitHub Copilot |
| Activity | Last push October 30, 2026, 5,270 commits, 54,356 stars | Last push October 21, 2026, 1,620 commits, 27,084 stars |
| Tests | 2,275 test files. 62.4% of its code files have a test that imports them | 234 test files. 5.4% 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, multica or onlook?

multica, with 1,364,599 lines written in 2,580 code files; onlook has 151,760 in 1,047.

The proof: [multica-ai/multica's code at commit 908456c](https://github.com/multica-ai/multica/tree/908456c60192907f3c7e65709e18846f08eea2f8)

### Which has more GitHub stars, multica or onlook?

multica, with 54,356 stars; onlook has 27,084.

The proof: [multica-ai/multica on GitHub](https://github.com/multica-ai/multica)

### Which has more tests, multica or onlook?

multica, with 2,275 test files; onlook has 234.

The proof: [multica-ai/multica's code at commit 908456c](https://github.com/multica-ai/multica/tree/908456c60192907f3c7e65709e18846f08eea2f8)

### Which was updated more recently, multica or onlook?

multica: its last push was on October 30, 2026, and onlook's on October 21, 2026.

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

### Which has more commits signed by AI, multica or onlook?

multica: an AI signed 35.5% of its commits, with Claude Code, Codex, Cursor, and GitHub Copilot; in onlook, 5%.

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

## Sources

- multica-ai/multica: Read on October 30, 2026, at commit 908456c (https://github.com/multica-ai/multica/tree/908456c60192907f3c7e65709e18846f08eea2f8)
- onlook-dev/onlook: Read on November 2, 2026, at commit 423e2e9 (https://github.com/onlook-dev/onlook/tree/423e2e924366419e418ee049093872d535eea41a)

## 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.