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What is Uvicorn?

It is a lightning-fast ASGI server, built on uvloop and httptools. Until recently Python has lacked a minimal low-level server/application interface for asyncio frameworks. The ASGI specification fills this gap, and means we're now able to start building a common set of tooling usable across all asyncio frameworks.
Uvicorn is a tool in the Web Servers category of a tech stack.
Uvicorn is an open source tool with 7.6K GitHub stars and 653 GitHub forks. Here’s a link to Uvicorn's open source repository on GitHub

Who uses Uvicorn?

17 companies reportedly use Uvicorn in their tech stacks, including Backend, SMARTTechStack, and Zesty.ai Data and App Stack.

41 developers on StackShare have stated that they use Uvicorn.

Uvicorn Integrations

Uvicorn's Features

  • ASGI server implementation
  • Supports HTTP/1.1 and WebSockets
  • Support for HTTP/2 is planned

Uvicorn Alternatives & Comparisons

What are some alternatives to Uvicorn?
nginx [engine x] is an HTTP and reverse proxy server, as well as a mail proxy server, written by Igor Sysoev. According to Netcraft nginx served or proxied 30.46% of the top million busiest sites in Jan 2018.
Apache HTTP Server
The Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Originally designed as a replacement for the NCSA HTTP Server, it has grown to be the most popular web server on the Internet.
Apache Tomcat
Apache Tomcat powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations.
Microsoft IIS
Internet Information Services (IIS) for Windows Server is a flexible, secure and manageable Web server for hosting anything on the Web. From media streaming to web applications, IIS's scalable and open architecture is ready to handle the most demanding tasks.
OpenResty (aka. ngx_openresty) is a full-fledged web application server by bundling the standard Nginx core, lots of 3rd-party Nginx modules, as well as most of their external dependencies.
See all alternatives

Uvicorn's Followers
117 developers follow Uvicorn to keep up with related blogs and decisions.