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Best NaviServer Alternatives in 2026

FreeIn Web Server Software

15 web server software our editors would look at instead of NaviServer, in our ranking order.

—Not yet scored
NaviServer— Visit NaviServer

NaviServer: A programmable, self-hosted web server for teams building with Tcl and custom extensions. Where it falls short: HTTP/3 support is experimental and not recommended for high-traffic production.

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. Scores and reviews are set by our editors and never change for payment; paid placements are marked Featured. How we rank.

  1. NGINX not yet scored

    Best forHigh-performance proxying and web serving

    A focused self-hosted choice for serving, proxying, caching, and traffic control.

    • WebSocket support
    Free plan Our NGINX verdict → Visit NGINX
    —not yet scored
    Visit NGINX
  2. Apache HTTP Server not yet scored

    Best forBroad, mature self-hosted web serving

    A mature, flexible choice for self-managed websites, applications, and HTTP traffic.

    • HTTP/2 support
    • Windows support
    • WebSocket support
    —not yet scored
    Visit Apache
  3. Best forPaid Linux web hosting and control panels

    A capable Apache-compatible server for paid Linux hosting and control panels.

    • HTTP/3 support
    • HTTP/2 support
    • WebSocket support
    Free plan · paid from $10/mo Our LiteSpeed Web Server verdict → Visit LiteSpeed
    7.7/10★★★★☆
    Visit LiteSpeed
  4. OpenResty not yet scored

    Best forProgrammable web applications and gateways

    OpenResty suits teams building programmable web applications and dynamic gateways.

    • HTTP/3 support
    • Commercial support
    • HTTP/2 support
    —not yet scored
    Visit OpenResty
  5. Caddy not yet scored

    Best forSimple HTTPS reverse proxy deployment

    A focused, self-hosted choice for simple HTTPS reverse proxy deployment.

    • WebSocket support
    Free plan Our Caddy verdict → Visit Caddy
    —not yet scored
    Visit Caddy
  6. OpenLiteSpeed not yet scored

    Best forLinux hosting with a graphical administration UI

    A free, Linux-focused web server with graphical administration and broad web-stack support.

    • HTTP/3 support
    • HTTP/2 support
    • WebSocket support
    —not yet scored
    Visit OpenLiteSpeed
  7. Best forManaged deployment of Ruby, Python, and Node apps

    A self-hosted application server with broad Unix support and paid support tiers.

    • Commercial support
    • HTTP/2 support
    • WebSocket support
    Free plan · paid from $23.52 · 14-day trial Our Phusion Passenger verdict → Visit Passenger
    8.7/10★★★★☆
    Visit Passenger
  8. uWSGI not yet scored

    Best forMulti-application Python deployments

    A flexible, open-source choice for running and supervising multiple Python applications.

    • Commercial support
    • Windows support
    • WebSocket support
    Free plan Our uWSGI verdict → Visit uWSGI
    —not yet scored
    Visit uWSGI
  9. lighttpd not yet scored

    Best forLightweight cross-platform web serving

    A lightweight, capable web server for static content, PHP backends, and proxying.

    • HTTP/2 support
    • Windows support
    • WebSocket support
    —not yet scored
    Visit lighttpd
  10. Tengine not yet scored

    Best forDynamic NGINX-compatible deployments

    A capable open-source choice for dynamic, NGINX-compatible self-hosted deployments.

    • HTTP/3 support
    • HTTP/2 support
    • WebSocket support
    —not yet scored
    Visit Tengine
  11. H2O not yet scored

    Best forEfficient HTTP/2 and HTTP/3 serving

    An open-source self-hosted server focused on modern HTTP delivery and proxying.

    • HTTP/3 support
    • HTTP/2 support
    • WebSocket support
    Free plan Our H2O verdict → Visit H2O
    —not yet scored
    Visit H2O
  12. Gunicorn not yet scored

    Best forPython WSGI and ASGI applications

    A free, open-source application server for Python web apps on UNIX-like systems.

    • Commercial support
    • HTTP/2 support
    • WebSocket support
    —not yet scored
    Visit Gunicorn
  13. Hiawatha not yet scored

    Best forSecurity-focused lightweight hosting

    A compact, security-focused server for self-hosted websites and applications.

    • HTTP/2 support
    • Windows support
    • WebSocket support
    —not yet scored
    Visit Hiawatha
  14. Red Hat 3scale API Management not yet scored

    Best forAPI traffic management rather than web serving

    A hybrid API management platform for policy control, analytics, portals, and monetization.

    —not yet scored
    Visit Red Hat
  15. RoadRunner not yet scored

    Best forPHP applications needing workers and queues

    A PHP-focused server for managed workers, queues, plugins, and modern protocols.

    • HTTP/3 support
    • HTTP/2 support
    • Windows support
    —not yet scored
    Visit RoadRunner

NaviServer Alternatives: Common Questions

What is the best alternative to NaviServer?

LiteSpeed Web Server: #3 in our Web Server Software ranking, with an editor score of 7.7 out of 10. A capable Apache-compatible server for paid Linux hosting and control panels.

Is there a free alternative to NaviServer?

Yes. NGINX, Apache HTTP Server, LiteSpeed Web Server, OpenResty and Caddy have a free plan or a free tier (14 of the 15 alternatives on this page).

NaviServer vs Each Alternative

#ToolFree planPaid fromHTTP/2 supportHTTP/3 supportWebSocket supportSupported platformsScore
not scoredNaviServerYesNoneYesYesYesLinux, FreeBSD, OpenBSD, Solaris, OpenSolaris, IRIX, HP/UX, DEC Tru64, UnixWare, macOS, Windows—
not scoredNGINXYesNone——Yes——
not scoredApache HTTP ServerYesNoneYes—YesLinux, Windows, macOS, and most Unix-like systems—
3LiteSpeed Web ServerYes$10/moYesYesYesLinux, FreeBSD, macOS, Solaris7.7
not scoredOpenRestyYesNoneYesYesYesLinux, macOS, Windows, Docker—
not scoredCaddyYesNone——Yes——
not scoredOpenLiteSpeedYesNoneYesYesYesLinux distributions including Debian, Ubuntu, CentOS, and derivatives—
7Phusion PassengerYes—Yes—YesUbuntu, Debian, Enterprise Linux, macOS, Amazon Linux, FreeBSD, OpenBSD, Solaris and other Unix systems8.7
not scoreduWSGIYesNone——YesLinux, FreeBSD, NetBSD, OpenBSD, DragonFlyBSD, Windows Cygwin, macOS, Solaris, NexentaOS, SmartOS, OpenSolaris, OpenIndiana, OmniOS, Debian/kFreeBSD, GNU/Hurd—
not scoredlighttpdYesNoneYes—YesLinux, FreeBSD, NetBSD, OpenBSD, Solaris, SGI IRIX, Windows via Cygwin, macOS—
not scoredTengineYesNoneYesYesYesLinux, macOS, and multi-architecture containers—
not scoredH2OYesNoneYesYesYesLinux, macOS, FreeBSD, Docker—
not scoredGunicornYesNoneYesNoYesUNIX/POSIX, Linux, macOS, Docker—
not scoredHiawathaYesNoneYes—YesLinux, BSD, macOS, Cygwin/Windows—
not scoredRed Hat 3scale API Management———————
not scoredRoadRunnerYesNoneYesYesYesWindows, macOS, Linux, FreeBSD, WSL2—

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026