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Puppet Data Center Automation Solution helps you save time, gain visibility into your server environment, and ensure consistency across your IT infrastructure.

MySQL is a Open Source Relational DataBase Management System, using InnoDB technology. .

Ansible is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs.

Being designed for multi-tier deployments since day one, Ansible models your IT infrastructure by describing how all of your systems inter-relate, rather than just managing one system at a time.

It uses no agents and no additional custom security infrastructure, so it’s easy to deploy — and most importantly, it uses a very simple language (YAML, in the form of Ansible Playbooks) that allow you to describe your automation jobs in a way that approaches plain English.

Monit is a free open source utility for managing and monitoring, processes, programs, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.

WHAT is Debian?

The Debian Project is an association of individuals who have made common cause to create a free operating system. This operating system that we have created is called Debian.

An operating system is the set of basic programs and utilities that make your computer run. At the core of an operating system is the kernel. The kernel is the most fundamental program on the computer and does all the basic housekeeping and lets you start other programs.

Debian systems currently use the Linux kernel or the FreeBSD kernel. Linux is a piece of software started by Linus Torvalds and supported by thousands of programmers worldwide. FreeBSD is an operating system including a kernel and other software.

However, work is in progress to provide Debian for other kernels, primarily for the Hurd. The Hurd is a collection of servers that run on top of a microkernel (such as Mach) to implement different features. The Hurd is free software produced by the GNU project.

A large part of the basic tools that fill out the operating system come from the GNU project; hence the names: GNU/Linux, GNU/kFreeBSD, and GNU/Hurd. These tools are also free.

Of course, the thing that people want is application software: programs to help them get what they want to do done, from editing documents to running a business to playing games to writing more software. Debian comes with over 51000 packages (precompiled software that is bundled up in a nice format for easy installation on your machine), a package manager (APT), and other utilities that make it possible to manage thousands of packages on thousands of computers as easily as installing a single application. All of it free.

It's a bit like a tower. At the base is the kernel. On top of that are all the basic tools. Next is all the software that you run on the computer. At the top of the tower is Debian — carefully organizing and fitting everything so it all works together.

OpenLDAP Software is an open source implementation of the Lightweight Directory Access Protocol.
The suite includes:
slapd - stand-alone LDAP daemon (server)
libraries implementing the LDAP protocol, and
utilities, tools, and sample clients.
Also available from the OpenLDAP Project:
Fortress - Role-based identity access management Java SDK
JLDAP - LDAP Class Libraries for Java
JDBC-LDAP - Java JDBC - LDAP Bridge Driver

OpenVPN provides flexible VPN solutions to secure your data communications, whether it's for Internet privacy, remote access for employees, securing IoT, or for networking Cloud data centers.

A simple web interface to change or reset its password on any LDAP Directory or Active Diretory.

Anyone who has gone through the trouble of setting up a secure website knows what a hassle getting and maintaining a certificate can be. Let’s Encrypt automates away the pain and lets site operators turn on and manage HTTPS with simple commands.

No validation emails, no complicated configuration editing, no expired certificates breaking your website. And of course, because Let’s Encrypt provides certificates for free, no need to arrange payment.

Apache, is a web server notable for playing a key role in the initial growth of the World Wide Web and in 2009 became the first web server to surpass the 100 million web site milestone. Apache was the first viable alternative to the Netscape Communications Corporation web server, and has since evolved to rival other Unix-based web servers in terms of functionality and performance. The majority of all web servers using Apache are Linux web servers.
Apache is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation.

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

Simple, modern & fast web-based email client. Modest system requirements, decent performance, simple installation and upgrade, no database required. All these make RainLoop Webmail a perfect choice for your email solution.

Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail. It attempts to be fast, easy to administer, and secure. The software is also known by its former names VMailer and IBM Secure Mailer.

Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with security primarily in mind. Dovecot is an excellent choice for both small and large installations. It's fast, simple to set up, requires no special administration and it uses very little memory.

Use this program to "Unspam" your mailbox(es). The program can be integrated with the mail server to automatically filter all mail for a site. It can also be run by individual users on their own mailbox and integrates with several mail programs. SpamAssassin is highly configurable; if used as a system-wide filter it can still be configured to support per-user preferences.

SpamAssassin was awarded the Linux New Media Award 2006 as the 'Best Linux-based Anti-spam Solution'. Typically either variant of the application is set up in a generic mail filter program, or it is called directly from a mail user agent that supports this, whenever new mail arrives. Mail filter programs such as procmail can be made to pipe all incoming mail through SpamAssassin with an adjustment to user's .procmailrc file.
Details see http://en.wikipedia.org/wiki/SpamAssassin .

A safe home for all your data – Access & share your files, calendars, contacts, mail & more from any device, on your terms.

LibreOffice is a powerful office suite – its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity.

Collabora Online is a powerful LibreOffice-based online office suite with collaborative editing, which supports all major document, spreadsheet and presentation file formats and works in all modern browsers.

The Nextcloud contacts app is a user interface for Nextcloud's CardDAV server.

The Notes app is a distraction free notes taking app. It provides categories for better organization and supports formatting using Markdown syntax. Notes are saved as files in your Nextcloud, so you can view and edit them with every Nextcloud client. Furthermore, a separate RESTful API allows for an easy integration into third-party apps (currently, there are notes apps for Android and iOS which allow convenient access to your Nextcloud notes). Further features include marking notes as favorites.

The Calendar app is a user interface for Nextcloud's CalDAV server. Easily sync events from various devices with your Nextcloud and edit them online.

Mailman is free software for managing electronic mail discussion and e-newsletter lists.

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.

Screensharing, online meetings & web conferencing without data leaks.
Running over your own Nextcloud server.

Go ahead, video chat with the whole team. In fact, invite everyone you know. Jitsi Meet is a fully encrypted, 100% open source video conferencing solution that you can use all day, every day, for free — with no account needed.

What else can you do with Jitsi Meet?

• Share your desktop, presentations, and more
• Invite users to a conference via a simple, custom URL
• Edit documents together using Etherpad
• Pick fun meeting URLs for every meeting
• Trade messages and emojis while you video conference, with integrated chat.

Jitsi Meet is packed with premium features.
Yep, it’s free — and it’s technologically advanced, too. In fact, Jitsi Meet:

• Sounds better, thanks to HD audio with Opus
• Is anonymous: No need for an account, ever!
• Keeps conversations private with encryption by default (and advanced security settings)
• Is developer-friendly: Modify and customize it to your heart’s content. It’s 100% open source.

Open source, self-hosted forum solution with integrations for Slack, Wordpress, and more.