OpenResty

openresty.org · checked 29 Sept 2026

#22 · Web Server Software

Visit openresty.org ↗ Alternatives OpenResty vs Phusion Passenger

How it plugs in

—Public API

NoOpen source

YesFree tier

Signal on Web Server Software6.1#22 of 36

OpenResty combines an enhanced Nginx core, LuaJIT, Lua libraries, and third-party Nginx modules to build scalable web applications, services, and dynamic gateways.

Pricing

OpenRestyOpen-source web platform; official packages and source releases availableFree

As openresty.org lists them, checked 29 Sept 2026.

Near it

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Runs on

Web
Windows
Mac
Linux
iOS
Android

Facts

Website: openresty.org
Price: Free tier
Free trial: Yes
Backend integrations: OpenResty uses Nginx’s event model for non-blocking I/O with remote backends including MySQL, PostgreSQL, Memcached, and Redis.
Commercial support: OpenResty Inc. offers enterprise solutions based on OpenResty with commercial support.
Community support: Free technical support is provided through the OpenResty and openresty-en mailing lists, and the community page also lists a Slack community.
Components: Bundled components include LuaJIT, Nginx modules, Lua libraries, and OPM, and components can be enabled or disabled as needed.
Enterprise products: OpenResty lists XRay, an APM product using noninvasive dynamic tracing, and Edge, distributed traffic management software for load balancing, WAF, request and response rewriting, and private CDNs.
High concurrency: The site says OpenResty applications can handle 10K to 1000K+ connections on a single machine.
Linux and containers: Official pre-built packages are provided for multiple Linux distributions, and the project provides maintained Docker images.
macOS: The project recommends installing OpenResty on macOS through Homebrew.
Release security: The project says all source releases are signed with Yichun Zhang’s public PGP key A0E98066.
Third-party modules: Community-contributed Lua modules and packages are available through OPM, while third-party Nginx C modules not maintained by OpenResty are unsupported and may compromise stability.
Trial offer: The OpenResty site invites visitors to request a trial and receive a diagnostic report, but does not state a trial duration on the opened page.
Use cases: The site lists dynamic web portals and gateways, web application firewalls, mobile and advertising services, distributed storage, data analytics, web applications, and websites as use cases.

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