Source: https://seerepo.com/compare/paperclipai/paperclip/vs/windmill-labs/windmill
Markdown source: https://seerepo.com/compare/paperclipai/paperclip/vs/windmill-labs/windmill.md
Description: paperclip and windmill share 17 technologies: Postgres, React, Tokio, OpenAI, Anthropic, yaml, Zod, hmac, Ajv, ai, dompurify, Tailwind CSS, tailwind-merge, Mermaid, xterm, Lucide, and @assistant-ui/react. paperclip is written in TypeScript and windmill in Rust.

# paperclip vs windmill

paperclip and windmill share 17 technologies: Postgres, React, Tokio, OpenAI, Anthropic, yaml, Zod, hmac, Ajv, ai, dompurify, Tailwind CSS, tailwind-merge, Mermaid, xterm, Lucide, and @assistant-ui/react. paperclip is written in TypeScript and windmill in Rust.

- [paperclipai/paperclip](https://seerepo.com/r/paperclipai/paperclip): The open-source app everyone uses to manage agents at work
- [windmill-labs/windmill](https://seerepo.com/r/windmill-labs/windmill): Code-first platform for workflows, apps and AI agents, on the fastest self-hostable orchestrator (benchmarked against Airflow, Prefect and Temporal). Business teams build with AI, engineers control what ships. Open-source alternative to Lovable, Retool and n8n.

## What they share and what sets them apart

- In common: Postgres, React, Tokio, OpenAI, Anthropic, yaml, Zod, hmac, Ajv, ai, dompurify, Tailwind CSS, tailwind-merge, Mermaid, xterm, Lucide, @assistant-ui/react
- Only in paperclip: Express, MCP, Google, AWS S3, Vite, Sentry, Svix, react-router-dom, @opentelemetry/resources, @clack/prompts, Drizzle, react-markdown, remark-gfm, jsonschema, @daytonaio/sdk, three, Better Auth, @ai-sdk/amazon-bedrock, sharp, ajv-formats, opentelemetry, pino, class-variance-authority, Radix UI, motion, dnd-kit, lexical, @lezer/highlight, Base UI, cmdk, CodeMirror, react-resizable-panels
- Only in windmill: axum, tower, async-nats, aws-sdk-sqs, mysql-connector-python, nkeys, postgres-native-tls, postgres-protocol, psycopg, psycopg2-binary, pyairtable, pymongo, rdkafka, rusqlite, s3transfer, sqlx-postgres, tokio-postgres, sqlx, quick_cache, object_store, MySQL, duckdb, lapin, rumqttc, SQLite, datafusion, MongoDB, tiberius, Deno, Svelte, SvelteKit, idb, lru-cache, matplotlib, seaborn, SQLAlchemy, cryptography, pyjwt, tower-cookies, jsonwebtoken, oauth2, argon2, aws-sdk-sts, ed25519-dalek, gcp_auth, hkdf, openidconnect, nltk, rmcp, aws-sdk-bedrockruntime, aws-sdk-bedrock, candle-core, candle-nn, candle-transformers, hf-hub, tokenizers, libxml, mail-parser, quick-xml, sendgrid, parquet, pulldown-cmark, yaml-rust, deno_webidl, schemars, aws-sdk-secretsmanager, boto3, k8s-openapi, kube, opentelemetry-appender-tracing, opentelemetry-otlp, opentelemetry-semantic-conventions, tracing, prometheus, tracing-subscriber, bollard, OpenTelemetry, tracing-appender, tracing-opentelemetry, @ai-sdk/react, style-to-object, xyflow, monaco-editor, Chart.js, ag-grid-community, chartjs-adapter-date-fns, chartjs-plugin-zoom, svelte-range-slider-pips, driver.js, ol, panzoom, @codingame/monaco-vscode-languages-service-override, monaco-vim, xterm-readline, y-monaco, svelte-exmarkdown, highlight.js, mdast-util-find-and-replace, pdfjs-dist, rehype-raw, rehype-sanitize, unist-util-visit

## Side by side

| | paperclip | windmill |
|---|---|---|
| Size | 3,133,031 lines written, 5,090 code files | 1,458,145 lines written, 4,587 code files |
| Who writes it | 17% of its commits signed by AI. With Claude Code, Codex, Cursor, and GitHub Copilot | 18.1% of its commits signed by AI. With Claude Code |
| Activity | Last push November 4, 2026, 5,942 commits, 111,002 stars | Last push November 6, 2026, 15,630 commits, 18,428 stars |
| Tests | 4,571 test files. 60.3% of its code files have a test that imports them | 803 test files. 9.7% 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, paperclip or windmill?

paperclip, with 3,133,031 lines written; windmill has 1,458,145.

The proof: [paperclipai/paperclip's code at commit 0eaabe5](https://github.com/paperclipai/paperclip/tree/0eaabe5c0b37c99d827f78a1a8598e7b3534078a)

### Which has more GitHub stars, paperclip or windmill?

paperclip, with 111,002 stars; windmill has 18,428.

The proof: [paperclipai/paperclip on GitHub](https://github.com/paperclipai/paperclip)

### Which has more tests, paperclip or windmill?

paperclip, with 4,571 test files; windmill has 803.

The proof: [paperclipai/paperclip's code at commit 0eaabe5](https://github.com/paperclipai/paperclip/tree/0eaabe5c0b37c99d827f78a1a8598e7b3534078a)

### Which was updated more recently, paperclip or windmill?

windmill: its last push was on November 6, 2026, and paperclip's on November 4, 2026.

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

### Which has more commits signed by AI, paperclip or windmill?

windmill: an AI signed 18.1% of its commits, with Claude Code; in paperclip, 17%.

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

## Sources

- paperclipai/paperclip: Read on November 4, 2026, at commit 0eaabe5 (https://github.com/paperclipai/paperclip/tree/0eaabe5c0b37c99d827f78a1a8598e7b3534078a)
- windmill-labs/windmill: Read on November 6, 2026, at commit 9ce2c6b (https://github.com/windmill-labs/windmill/tree/9ce2c6b131f35e29f4ed7020962da1bdae8a44a5)

## 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.
