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OpenResty vs Algernon: catalog facts
OpenResty	Algernon
Free Free and open source; the company sells separate commercial products.	Free Free and open source under the MIT licence.
Windows, Self-hosted	Windows, Self-hosted, Command line
Scripts Nginx request handling in Lua Bundles many Lua libraries and Nginx modules	Single self-contained executable HTTP/2 and QUIC support
Requires familiarity with Nginx configuration and Lua Homepage also promotes paid commercial products	Smaller ecosystem than mainstream web servers Lua-based scripting may be unfamiliar
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: BSD-2-Clause	License: MIT
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.