This is the awesome list with all open source and free applications that you can use in your management.
Opensource) Apache CloudStack is open source software designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing platform.
Proxmox VE (
Opensource) A complete open source server virtualization management software based on KVM and container-based virtualization and manages virtual machines, Linux containers, storage, virtualized networks, and HA clusters.
Apache Stratos (
Opensource) Highly-extensible PaaS framework that helps run Apache Tomcat, PHP, and MySQL applications and can be extended to support many more environments on all major cloud infrastructures.
Opensource) Atlantis is an Open Source PaaS for HTTP applications built on Docker and written in Go. It makes it easy to build and deploy applications in a safe, repeatable fashion, and flexibly route requests to the appropriate containers.
Opensource) Flynn deploys apps, scales apps, and manages databases with best practices right out of the box. Automatically doing all the things that were too complicated, expensive, or time consuming to do manually.
Helion Stackato (
Free) HPE’s Cloud Foundry Foundation-certified PaaS solution, and leads efforts to advance open standards, higher quality, and interchangeability among industry vendors.
Free) Powerful Continuous Integration out of the box.
Opensource) AxCrypt is the leading open source file encryption software for Windows. It integrates seamlessly with Windows to compress, encrypt, decrypt, store, send and work with individual files.
Free) CurrPorts is network monitoring software that displays the list of all currently opened TCP/IP and UDP ports on your local computer.
Free) A simple, beautiful, and free REST API client.
Opensource) Synergy combines your desktop devices together in to one cohesive experience. It’s software for sharing your mouse and keyboard between multiple computers on your desk. It works on Windows, Mac OS X and Linux.
Free) Mini Linux distribution designed to be used as a Firewall and Router that runs easily on older computers.
ClearOS Community (
Free) Linux distribuiton designed for use in small and medium enterprises as a network gateway and network server with a web-based administration interface.
Free) Linux based product designed for home that can transform any unused hardware appliance into a full-featured Unified Threat Management solution and to make security simple and help protect home networks by using the power of Opensource.
Free) The IPCop Firewall is a Linux firewall distribution. It is geared towards home and SOHO users. The IPCop web-interface is very user-friendly and makes usage easy.
Opensource) The pfSense project is a free network firewall distribution, based on the FreeBSD operating system with a custom kernel and including third party free software packages for additional functionality.
Free) Free firewall that includes its own security-hardened GNU/Linux operating system and an easy-to-use web interface.
Sophos UTM Home Edition (
Free) Sophos UTM is easy to use, thanks to the configurable real-time dashboard, flexible modular licensing, and intuitive reusable network object definitions.
Untangle NG Firewall (
Free) NG Firewall manages every aspect of network control from content filtering to web caching, remote access to policy enforcement, all in one simple, drag & drop interface.
Opensource) All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail. Cypht does not replace your existing accounts – it combines them into one. And it’s also a news reader :).
Opensource) Mailpile is an effort to reclaim private communication on the Internet. A project to rescue our personal lives from the proprietary cloud and prevent our conversations from being strip-mined for corporate profit and government surveillance.
Demo) The Axigen Free Mail Server is a great alternative to open source. It is a turnkey messaging solution, perfect for small & micro businesses, integration projects or test environments.
Opensource) Mailserver suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration. In future versions mailcow will provide Cal- and CardDAV support.
Opensource) Zimbra Collaboration Open Source Edition provides administrators and their end users innovative features that solve the challenges faced by organizations using today’s legacy communications infrastructure.
Free) Centrally managed email encryption at the gateway level and on mobile devices.
Scrollout F1 (
Free) An easy to use, already adjusted email gateway (firewall) offering free anti-spam, anti-virus protection in order to secure all existing email servers, such as Microsoft Exchange, Lotus Domino, Postfix, Exim, Qmail and more.
Free) MailCleaner is a full email filtering gateway. It includes a complete GNU/Linux OS and a graphical web interface for user and administrative access.
Free) Free email server that can be used by any corporation to handle their enterprise email. It works on any operating system and can handle unlimited number of emails and domains. Xeams can work in 3 modes, Stand alone, Spam firewall or Hybrid mode.
Opensource) Distributed VCS that enables easy collaborative development. One of Bazaar’s strengths is its adaptibility to different work flows, centralized, distributed or anything in between.
Opensource) Concurrent Versions System is a version control system, an important component of Source Configuration Management (SCM). Using it, you can record the history of sources files, and documents.
Opensource) Simple, high-reliability, distributed software configuration management system with these advanced features, Integrated Bug Tracking, Wiki, and Technotes, Built-in Web Interface, Self-Contained, Autosync and more.
Demo) Free Software source code management system that supports two leading version control systems, Mercurial and Git, and has a web interface that is easy to use for users and admins.
Demo) You can host your project, let your users report issues or request enhancements using the ticketing system and build your community of contributors allowing them to fork your projects and contribute to it via the now-popular pull-request mechanism.
Free) Sourcegraph is the smarter code host powering top-tier development teams.
VisualSVN Server (
Free) VisualSVN Server makes the Subversion server easy and convenient to install and administer on Windows.
Opensource) WebSVN offers a view onto your subversion repositories. You can view the log of any file or directory and see a list of all the files changed, added or deleted in any given revision.