Source: https://seerepo.com/compare/ruvnet/ruflo/vs/vercel-labs/json-render
Markdown source: https://seerepo.com/compare/ruvnet/ruflo/vs/vercel-labs/json-render.md
Description: ruflo and json-render share 18 technologies: MCP, Svelte, React, Zod, Tailwind CSS, bits-ui, marked, satori, yaml, class-variance-authority, next-themes, tailwind-merge, Radix UI, embla-carousel-react, react-resizable-panels, sonner, vaul, and Lucide. Both are written in TypeScript.

# ruflo vs json-render

ruflo and json-render share 18 technologies: MCP, Svelte, React, Zod, Tailwind CSS, bits-ui, marked, satori, yaml, class-variance-authority, next-themes, tailwind-merge, Radix UI, embla-carousel-react, react-resizable-panels, sonner, vaul, and Lucide. Both are written in TypeScript.

- [ruvnet/ruflo](https://seerepo.com/r/ruvnet/ruflo): 🌊 The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory, self-learning intelligence, federation, vector RAG integration, and native Claude Code / Codex / Hermes and many more Integrated
- [vercel-labs/json-render](https://seerepo.com/r/vercel-labs/json-render): The Generative UI framework

## What they share and what sets them apart

- In common: MCP, Svelte, React, Zod, Tailwind CSS, bits-ui, marked, satori, yaml, class-variance-authority, next-themes, tailwind-merge, Radix UI, embla-carousel-react, react-resizable-panels, sonner, vaul, Lucide
- Only in ruflo: Express, sql.js, Google Cloud, SvelteKit, MongoDB, Postgres, Hugging Face, OpenAI, Tokio, SQLite, Vite, react-router-dom, Supabase, js-yaml, jose, web-haptics, katex, file-type, handlebars, highlight.js, htmlparser2, isomorphic-dompurify, sharp, pino, prom-client, helmet, Ajv, tracing, @xenova/transformers, hmac, bcryptjs, cmdk, input-otp, React Hook Form, react-day-picker, reactflow, recharts
- Only in json-render: Next.js, Redis, fumadocs-core, Solid, Vue, react-native, TanStack, remotion, geist, ai, @ai-sdk/react, bash-tool, shiki, streamdown, chat, @resvg/resvg-js, ink, react-email, @react-pdf/renderer, react-three, three, tailwind-variants

## Side by side

| | ruflo | json-render |
|---|---|---|
| Size | 1,153,806 lines written, 2,525 code files | 167,309 lines written, 1,048 code files |
| Who writes it | 35.9% of its commits signed by AI. With Claude Code and Codex | 1.6% of its commits signed by AI. With Claude Code |
| Activity | Last push November 4, 2026, 9,037 commits, 80,870 stars | Last push November 6, 2026, 250 commits, 18,930 stars |
| Tests | 1,805 test files. 49.3% of its code files have a test that imports them | 99 test files. 11% 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, ruflo or json-render?

ruflo, with 1,153,806 lines written; json-render has 167,309.

The proof: [ruvnet/ruflo's code at commit 1c0d63c](https://github.com/ruvnet/ruflo/tree/1c0d63c79aa2879d7029cc793501d7086d06f124)

### Which has more GitHub stars, ruflo or json-render?

ruflo, with 80,870 stars; json-render has 18,930.

The proof: [ruvnet/ruflo on GitHub](https://github.com/ruvnet/ruflo)

### Which has more tests, ruflo or json-render?

ruflo, with 1,805 test files; json-render has 99.

The proof: [ruvnet/ruflo's code at commit 1c0d63c](https://github.com/ruvnet/ruflo/tree/1c0d63c79aa2879d7029cc793501d7086d06f124)

### Which was updated more recently, ruflo or json-render?

json-render: its last push was on November 6, 2026, and ruflo's on November 4, 2026.

The proof: [vercel-labs/json-render's commits on GitHub](https://github.com/vercel-labs/json-render/commits)

### Which has more commits signed by AI, ruflo or json-render?

ruflo: an AI signed 35.9% of its commits, with Claude Code and Codex; in json-render, 1.6%.

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

## Sources

- ruvnet/ruflo: Read on November 4, 2026, at commit 1c0d63c (https://github.com/ruvnet/ruflo/tree/1c0d63c79aa2879d7029cc793501d7086d06f124)
- vercel-labs/json-render: Read on November 6, 2026, at commit 1819412 (https://github.com/vercel-labs/json-render/tree/18194121c8f087afacd9a8ef65fbda18374ee039)

## 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.