Freedom251 › Application Servers
Gunicorn
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Gunicorn | Open-source Python WSGI/ASGI server · sponsorship and sponsored support contracts are optional | Free |
As gunicorn.org lists them, read 4 Oct 2026. The maker's own page has the final word.
Facts from Gunicorn's own pages
- ASGI features
- The native ASGI worker supports HTTP/1.1, HTTP/2 with SSL, WebSockets, lifespan hooks, SSL/TLS, and the uWSGI protocol. · gunicorn.org, 4 Oct 2026
- Deployment integrations
- The deployment guide recommends running Gunicorn behind a proxy and includes Nginx configuration as well as examples for HAProxy, stunnel, and AWS load balancers. · gunicorn.org, 4 Oct 2026
- Founded
- 2010 · gunicorn.org, 28 Sept 2026
- Frameworks
- The site lists Django, Flask, FastAPI, Pyramid, Starlette, Falcon, Bottle, and Quart as compatible frameworks. · gunicorn.org, 4 Oct 2026
- Installation
- The installation guide lists pip, pipx, Docker, and system packages for Debian/Ubuntu, Fedora, and Arch Linux. · gunicorn.org, 4 Oct 2026
- Monitoring
- Optional statsD instrumentation over UDP reports request rates, request duration, worker counts, and log event rates. · gunicorn.org, 4 Oct 2026
- Paid support
- The project offers sponsored support contracts for priority bug fixes and feature requests. · gunicorn.org, 4 Oct 2026
- Project history
- The support page says Gunicorn has served Python web applications since 2010 and is downloaded millions of times per month. · gunicorn.org, 4 Oct 2026
- Purpose
- Gunicorn is a Python WSGI HTTP server for running Python web applications. · gunicorn.org, 4 Oct 2026
- Python requirement
- The installation guide says Gunicorn requires Python 3.12 or newer. · gunicorn.org, 4 Oct 2026
- Security guidance
- The deployment guide warns that default synchronous workers can be vulnerable to denial-of-service attacks unless the proxy buffers slow clients. · gunicorn.org, 4 Oct 2026
- Security reporting
- The community page asks users to report security vulnerabilities privately to [email protected]; only core developers subscribe to that list. · gunicorn.org, 4 Oct 2026
- Support
- The project provides GitHub issues and discussions plus a Libera.Chat channel, and notes that chat has no guaranteed watcher. · gunicorn.org, 4 Oct 2026
- Worker model
- Its pre-fork worker model is described as handling traffic spikes gracefully. · gunicorn.org, 4 Oct 2026
- Worker types
- The site describes sync, gevent/eventlet async, threaded, and native ASGI worker options. · gunicorn.org, 4 Oct 2026
Where Gunicorn stands on Freedom251
- Application Servers#4 of 28
- Web Server Software#6 of 36