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H2O vs OpenLiteSpeed

The same facts for both, read from GitHub every night, and the relation a person reviewed.

H2OOpenLiteSpeed
LanguageCC++
LicenceMITGPL-3.0
Stars12k1.5k
Latesttag-no-more-releasesv1.9.3
Last push2026-10-062026-10-06
Release cadenceabout 1394 days between releasesabout 62 days between releases
Active contributors3 commit authors on the default branch in the last 90 days7 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace nginx. Alternatives to nginx →

    PartialH2OHTTP/1, HTTP/2 and HTTP/3 server and reverse proxy, scriptable with mruby.

    PartialOpenLiteSpeedWeb server with Apache-compatible rewrite rules and built-in page caching for PHP apps.