Gunicorn - Python WSGI HTTP Server for UNIX

•    Python

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Gunicorn 'Green Unicorn' is a Python WSGI HTTP Server for UNIX. It's a pre-fork worker model ported from Ruby's Unicorn project. The Gunicorn server is broadly compatible with various web frameworks, simply implemented, light on server resources, and fairly speedy.

http-server http python wsgi-server wsgi

unicorn-worker-killer - Automatically restart Unicorn workers based on 1) max number of requests and 2) max memory

•    Ruby

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Unicorn is widely used HTTP-server for Rack applications. One thing we thought Unicorn missed, is killing the Unicorn workers based on the number of requests and consumed memories. unicorn-worker-killer gem provides automatic restart of Unicorn workers based on 1) max number of requests, and 2) process memory size (RSS), without affecting any requests. This will greatly improves site's stability by avoiding unexpected memory exhaustion at the application nodes.

Curassow - Swift HTTP server using the pre-fork worker model

•    Swift

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Curassow is a Swift Nest HTTP Server. It uses the pre-fork worker model and it's similar to Python's Gunicorn and Ruby's Unicorn. It exposes a Nest-compatible interface for your application, allowing you to use Curassow with any Nest compatible web frameworks of your choice.

James - Enterprise Mail Server

•    Java

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James (a.k.a Java Apache Mail Enterprise Server) is a 100% pure Java SMTP and POP3 Mail server, and NNTP News server designed to be a complete and portable enterprise mail/messaging engine solution based on currently available open messaging protocols.

mail-server email-server enterprise mailing-list smtp lmtp pop3 nntp imap mta mail-delivery-agent

Citadel

•    C

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Citadel is a collaboration suite (messaging and groupware). It provides support for Email, Calendaring/Scheduling, Address books, Bulletin boards, Mailing List Server, Instant Messaging, Wiki, Multiple domain support.

mail-server groupware bulletin-board mailing-list wiki instant-messaging smtp pop3

H2O - the optimized HTTP/1, HTTP/2 server

•    C

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H2O is a new generation HTTP server that provides quicker response to users with less CPU utilization when compared to older generation of web servers. Designed from ground-up, the server takes full advantage of HTTP/2 features including prioritized content serving and server push, promising outstanding experience to the visitors of your web site.

http http2 web-server http-server reverse-proxy server-push

SRS (Simple Realtime Server)- Simple, high efficiency and realtime video server, supports RTMP/WebRTC/HLS/HTTP-FLV/SRT/GB28181.

•    C++

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SRS (Simple Realtime Server) is a simple, high efficiency and realtime video server, supports RTMP/WebRTC/HLS/HTTP-FLV/SRT. SRS is industrial-strength live streaming cluster, for the best conceptual integrity and the simplest implementation. SRS provides variety of inputs, for example, Push RTMP to SRS, Push RTSP/UDP/FLV to SRS, Pull Stream to SRS. SRS can transform the RTMP to other protocols or deliveries, for example, RTMP Transcode, Snapshot, Forward to Other Servers, Transmux to HTTP-FLV, Transmux to HLS, Transmux to HDS, Transmux SRT, DVR to FLV/MP4. SRS canbe used in CDN for large stream clusters, for example, RTMP Cluster、 OriginCluster, VHOST, Reload, HTTP-FLV Cluster.

hls cdn rtmp cluster webrtc live-streaming live media-server rtmp-server srs http-streaming http-flv srt low-latency coroutine gb28181 video-streaming video-server

CppServer - Ultra fast and low latency asynchronous socket server & client C++ library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution

•    HTML

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Ultra fast and low latency asynchronous socket server & client C++ library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution. Asio service is used to host all clients/servers based on Asio C++ library. It is implemented based on Asio C++ Library and use a separate thread to perform all asynchronous IO operations and communications.

tls ssl http performance async https websocket-server websocket tcp-server socket-server tcp-client http-server low-latency udp-server https-server socket-client udp-client

lpmsserv - an http server based on elpmis

•    DotNet

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an http server based on elpmis script language with localization / storage <storoom> supported can setup http server without any c++ / vb.net / c# code change support save & refresh, can get response changed without even restart server

http-server script script-engine script-http-server script-language scripting

evpp - A modern C++ network library for developing high performance network services in TCP/UDP/HTTP protocols

•    C++

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evpp is a modern C++ network library for developing high performance network services in TCP/UDP/HTTP protocols. evpp provides a TCP Server to support multi-threaded nonblocking event-drive server and also a HTTP, UDP Server to support http and udp prococol.NOTE: master is our development branch and may not be stable at all times.

network-library libevent high-performance nonblocking tcp-server http-server udp-server async-functions evpp evnsq evmc cpp11

gorush - A push notification server written in Go (Golang).

•    Go

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A push notification micro server using Gin framework written in Go (Golang).

push-notification ios-notification notification-server android gcm gorush-server apns ios-alert-payload ios messaging pub-sub message-queue

nuster - A web caching proxy server based on HAProxy

•    C

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Nuster is a simple yet powerful web caching proxy server based on HAProxy. It is 100% compatible with HAProxy, and takes full advantage of the ACL functionality of HAProxy to provide fine-grained caching policy based on the content of request, response or server status. Nuster is very fast, some test shows nuster is almost three times faster than nginx when both using single core, and nearly two times faster than nginx and three times faster than varnish when using all cores.

cache caching http proxy high-performance proxy-server web-proxy http-proxy

http-server - A non-blocking HTTP application server for PHP based on Amp.

•    PHP

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This package provides a non-blocking HTTP/1.1 and HTTP/2 application server written in PHP based on Amp. Several features are provided in separate packages, such as the WebSocket component. The packages was previously named amphp/aerys, but has been renamed to be easier to remember, as many people were having issues with the old name.

application-server http async http-server amphp

Phorklift - HTTP server and proxy daemon, with clear, powerful and dynamic configuration.

•    C

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Phorklift is an HTTP server and proxy daemon, with clear, powerful and dynamic configuration. It is similar to Nginx, provides high performance and low memory usage. It supports HTTP/1.x and HTTP/2, Static file service, proxy, ACL, gzip, etc. Lua is used configuration, which makes simple and powerful.

http-server http2-server lua http server

Docker Mailserver - A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) using Docker.

•    Shell

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A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.). Only configuration files, no SQL database. Keep it simple and versioned. Easy to deploy and upgrade.

letsencrypt docker ssl ldap mail postfix imap smtp dovecot spamassassin antivirus fail2ban antispam mailserver opendkim amavis postgrey opendmarc docker-mailserver saslauthd-ldap smtp-server email-server mail-server

Devil Linux - Linux for Sys Admin

•    C

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Devil-Linux is a CD-based Linux distribution for firewalls and routers. The goal of Devil-Linux is to have a small, customizable and secure Linux. It could boot from CDROM or USB flash drive. Its main purpose is to be used as server for many applications. It doesn't have any GUI or XServer related stuff. It is mainly targeted for Sys Admin.

os operating-system linux-operating-system server-os linux-firewall

Caddy - Fast, cross-platform HTTP/2 web server with automatic HTTPS

•    Go

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Caddy is a general-purpose HTTP/2 web server that serves HTTPS by default. Caddy is fast, easy to use, and makes you more productive.

web-server http http-server reverse-proxy https tls automatic-https webserver

http-server - a simple zero-configuration command-line http server

•    Javascript

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http-server is a simple, zero-configuration command-line http server. It is powerful enough for production usage, but it's simple and hackable enough to be used for testing, local development, and learning.This will install http-server globally so that it may be run from the command line.

cli command

Akka HTTP - The Streaming-first HTTP server/module of Akka

•    Scala

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The Akka HTTP modules implement a full server- and client-side HTTP stack on top of akka-actor and akka-stream. It's not a web-framework but rather a more general toolkit for providing and consuming HTTP-based services. While interaction with a browser is of course also in scope it is not the primary focus of Akka HTTP.

akka akka-http http http-server http-client streaming reactive http2 websocket asynchronous

NetCoreServer - Ultra fast and low latency asynchronous socket server & client C#

•    CSharp

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Ultra fast and low latency asynchronous socket server & client C# .NET Core library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution. Here comes the example of the TCP chat server. It handles multiple TCP client sessions and multicast received message from any session to all ones. Also it is possible to send admin message directly from the server.

tls ssl http performance async https websocket-server websocket tcp-server socket-server tcp-client http-server low-latency udp-server https-server socket-client udp-client