The Awesome SysAdmin feed



IMAP and POP3 server written primarily with security in mind.
Featured Tool // Category Mail Servers

Sentora vs ISPConfig

Popular comparison
  • Sentora - Control panel for Linux, BSD, and Windows based on ZPanel.
  • ISPConfig - Hosting control panel for Linux.



Groupware software written in PHP.
Featured Tool // Category Collaborative Software

Last 7 Days


Open source IP address management with PowerDNS integration.
Featured Tool // Category Network Configuration Management

Duplicati vs Duplicity

Popular comparison
  • Duplicati - Store securely encrypted backups on cloud storage services!
  • Duplicity - Encrypted bandwidth-efficient backup using the rsync algorithm.

Zimbra vs Kolab

Popular comparison
  • Zimbra - Collaborative software suite, that includes an email server and web client.
  • Kolab - Another groupware suite.

Review Board

Web-based collaborative code review tool.
Featured Tool // Category Code Review

Seafile vs Nextcloud

Popular comparison
  • Seafile - Another Open Source Cloud Storage solution.
  • Nextcloud - ☁️ Nextcloud server component


DNS REST API that support several DNS servers as its backend.
Featured Tool // Category DNS


Hosting panel for Linux but with Nginx.
Featured Tool // Category Control Panels

Oxidized vs RANCID

Popular comparison
  • Oxidized - A modern take on network device configuration monitoring with web interface and GIT storage.
  • RANCID - Monitors network device's configuration and maintain history of changes.

Claws Mail vs Sylpheed

Popular comparison
  • Claws Mail - Old school email client (and news reader), based on GTK+.
  • Sylpheed - Still developed predecessor to Claws Mail, lightweight mail client.


Cypht: Lightweight Open Source webmail written in PHP and JavaScript
Featured Tool // Category Webmails

Caddy vs Nginx

Popular comparison
  • Caddy - Lightweight, general-purpose web server supporting HTTP/2, automatic TLS and easy configuration. Written in Go.
  • Nginx - Reverse proxy, load balancer, HTTP cache, and web server.

Last 30 Days

OpenStack Tracking Repo

Open source software for building private and public clouds.
Featured Tool // Category Cloud Computing

StackStorm vs Rundeck

Popular comparison
  • StackStorm - Event Driven Operations and ChatOps platform for infrastructure management. Written in Python.
  • Rundeck - Simple orchestration tool.

Gravitational Teleport

Modern SSH server for clusters and teams.
Featured Tool // Category SSH

Nagios vs LibreNMS

Popular comparison
  • Nagios - Computer system, network and infrastructure monitoring software application.
  • LibreNMS - fork of Observium.


Object-relational database management system (ORDBMS).
Featured Tool // Category RDBMS


Open source Slack-alternative in Golang and React - Mattermost
Tool Added by vistar into category ChatOps


SuiteCRM - Open source CRM for the world
Tool Added by vistar into category Project Management

Cockpit vs Webmin

Popular comparison
  • Cockpit - New multi-server web interface for Linux servers written in C.
  • Webmin - Linux server control panel.


Message transfer agent (MTA) developed at the University of Cambridge.
Featured Tool // Category Mail Servers

Froxlor vs VestaCP

Popular comparison
  • Froxlor - Easy to use panel for Linux with Nginx and PHP-FPM support.
  • VestaCP - Hosting panel for Linux but with Nginx.


Open source continuous delivery server.
Featured Tool // Category Continuous


XMPP instant messaging server written in Erlang/OTP.
Featured Tool // Category Messaging

i-doit vs iTop

Popular comparison
  • i-doit - Open Source IT Documentation and CMDB.
  • iTop - Complete open source, ITIL, web based service management tool.


Webserver-based repository of packages and package metadata, that allows macOS administrators to manage software installs.
Featured Tool // Category Deployment Automation