Waitress

Multi-threaded WSGI server for production use with Pyramid.

EstablishedOpen SourceLow lock-in

Pricing

See website

Flat rate

Adoption

Stable

License

Open Source

Data freshness

Overview

What is Waitress?

Waitress is a production-quality pure-Python WSGI server. It has no dependencies except ones which live in the Python standard library. Waitress runs on CPython on Unix and Windows under Python 2.7+ or Python 3.4+. It supports HTTP/1.0 and HTTP/1.1.

Key differentiator

Waitress stands out for its simplicity and robustness as a pure Python WSGI server with no external dependencies, making it ideal for Pyramid applications in production environments.

Capability profile

Strength Radar

Multi-threaded W…Supports HTTP/1.…No dependencies …

Honest assessment

Strengths & Weaknesses

↑ Strengths

Multi-threaded WSGI server for production use.

Supports HTTP/1.0 and HTTP/1.1.

No dependencies outside the Python standard library.

Fit analysis

Who is it for?

✓ Best for

Developers deploying Pyramid-based applications who need a robust WSGI server.

Teams requiring a Python-only dependency stack for their web servers.

✕ Not a fit for

Projects that require non-Python dependencies in their web server setup.

Applications needing HTTP/2 support, as Waitress only supports HTTP/1.0 and HTTP/1.1.

Cost structure

Pricing

Free Tier

None

Starts at

See website

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Alternatives

Next step

Get Started with Waitress

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →