H2O

H2O

H2O is a cutting-edge HTTP server optimized for rapid user response while minimizing CPU and memory usage compared to traditional servers. Built from the ground up, it fully utilizes HTTP/2 and HTTP/3 features, including content prioritization and server push, ensuring visitors enjoy an exceptional web experience.

Top H2O Alternatives

1

Hiawatha

Designed with security as a priority, Hiawatha offers robust protection against SQL injections, XSS, and CSRF attacks.

2

MacHTTP-js

Celebrating its 25th anniversary, MacHTTP-js is a modern reimagining of the classic Mac web server, designed for today's cross-platform environments.

3

Gunicorn

Gunicorn, a Python WSGI HTTP server, excels in performance and resource efficiency.

4

KSWEB

KSWEB enables web developers to run PHP-based sites directly from their Android devices.

By: KSLabs
5

Abyss Web Server

Abyss Web Server is a lightweight yet powerful web server compatible with Windows, macOS, and Linux.

By: Aprelium
6

Monkey Server

Monkey Server is a highly efficient web server designed for Linux and OSX, optimized for both embedded devices and high-performance production environments.

7

McPherran Web Engine

Engineered for optimal performance, reliability, and security, it minimizes costs and business risks, empowering developers...

By: McPherran
8

OpenLiteSpeed

With event-driven architecture, it minimizes overhead while maximizing performance...

By: LiteSpeed Technologies From United States
9

Cowboy

With a lightweight architecture built on Erlang/OTP, it offers remarkable efficiency and low latency...

By: 99s From United States
10

Tornado Web Server

Utilizing non-blocking network I/O, it efficiently manages thousands of open connections, making it perfect for...

By: Tornado From United States
11

Jaisocx

It excels in securing sensitive content through JSON Web Token and Basic Auth...

From Switzerland
12

quark

It emphasizes simplicity while incorporating essential features like TLS support via reverse proxies and security...

By: suckless.org From Germany
13

KickWeb Server

It supports simultaneous requests without requiring root access, making it accessible for all users...

By: YelOyo From Bangladesh
14

Tengine

Renowned for its stability and efficiency, Tengine supports diverse protocols and offers robust monitoring and...

By: Chengdu Mingwangxing Technology Co., Ltd. From China
15

kWS

It supports features like basic and digest authentication, resumable downloads, and GZip compression...

By: Kamran Zafar From Australia

Top H2O Features

  • Optimized HTTP/1.x support
  • Full HTTP/2 implementation
  • Full HTTP/3 support
  • Reduced CPU utilization
  • Lower memory bandwidth usage
  • Server push functionality
  • Content prioritization schemes
  • 103 Early Hints support
  • Dependency-based prioritization
  • Weight-based prioritization
  • Binary package availability
  • Easy installation from source
  • Enhanced security with LibreSSL
  • Support for new ciphersuites
  • Outstanding user experience
  • Built from the ground up
  • Regular vulnerability fixes
  • Efficient resource management
  • Fast response times
  • Modern web standards compliance