pfSense is an open source firewall/router computer software distribution based on FreeBSD.
It is installed on a physical computer or a virtual machine to
make a dedicated firewall/router for a network. It can be configured and
upgraded through a web-based interface, and requires no knowledge of
the underlying FreeBSD system to manage.
Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing. It is maintained and funded by Offensive Security Ltd. It was developed by Mati Aharoni and Devon Kearns of Offensive Security through the rewrite of BackTrack, their previous information security testing Linux distribution based on Knoppix. The third core developer Raphaël Hertzog joined them as a Debian expert.Kali Linux has over 600 preinstalled penetration-testing programs, including Armitage (a graphical cyber attack management tool), Nmap (a port scanner), Wireshark (a packet analyzer), John the Ripper password cracker, Aircrack-ng (a software suite for penetration-testing wireless LANs), Burp suite and OWASP ZAP web application security scanners. Kali Linux can run natively when installed on a computer's hard disk, can be booted from a live CD or live USB, or it can run within a virtual machine. It is a supported platform of the Metasploit Project's Metasploit Framework, a tool for developing and executing security exploits. It was developed by Mati Aharoni and Devon Kearns of Offensive Security through the rewrite of BackTrack, their previous information security testing Linux distribution based on Knoppix. The third core developer Raphaël Hertzog joined them as a Debian expert. Kali Linux is based on Debian Testing. Most packages Kali uses are imported from the Debian repositories. The Kali Linux project began quietly in 2012, when Offensive Security decided that they wanted to replace their venerable BackTrack Linux project, which was manually maintained, with something that could become a genuine Debian derivative, complete with all of the required infrastructure and improved packaging techniques. The decision was made to build Kali on top of the Debian distribution because it is well known for its quality, stability, and wide selection of available software.The first release (version 1.0) happened one year later, in March 2013, and was based on Debian 7 “Wheezy”, Debian’s stable distribution at the time. In that first year of development, they packaged hundreds of pen-testing-related applications and built the infrastructure. Even though the number of applications is significant, the application list has been meticulously curated, dropping applications that no longer worked or that duplicated features already available in better programs.During the two years following version 1.0, Kali released many incremental updates, expanding the range of available applications and improving hardware support, thanks to newer kernel releases. With some investment in continuous integration, they ensured that all important packages were kept in an installable state and that customized live images (a hallmark of the distribution) could always be created.visit on https://www.kali.org/
BackBox is a penetration test and security assessment oriented Ubuntu-based Linux distribution providing a network and informatic systems analysis toolkit. BackBox desktop environment includes a complete set of tools required for ethical hacking and security testing. The main aim of BackBox is providing an alternative, highly customizable and well performing system. BackBox uses the light window manager Xfce.It includes some of the most used security and analysis Linux tools, aiming for a wide spread of goals, ranging from web application analysis to network analysis, from stress tests to sniffing, also including vulnerability assessment, computer forensic analysis and exploitation.Part of the power of this distribution comes from its Launchpad repository core, constantly updated to the latest stable version of the most known and used ethical hacking tools. The integration and development of new tools in the distribution follows the open source community, particularly the Debian Free Software Guidelines criteria.
BlackArch is a penetration testing distribution based in Arch Linux that provides a large amount of cyber security tools. It is an open-source distro created specially for penetration testers and security researchers. The repository contains more than 2000 tools that can be installed individually or in groups. BlackArch Linux is compatible with existing Arch Linux installs. Black Arch is similar to usage to bothParrot OSandKali Linuxwhen fully installed. A critical difference between the other distributions and BlackArch however, is that BlackArch does not provide a desktop environment but provides a lot of Window Managers preconfigured. Similar to Kali and Parrot, BlackArch can be burned to anISO imageand run as a live system.
Parrot Security OS (or ParrotSec) is a Linux distribution based on Debian with a focus on computer security. It is designed for penetration testing, vulnerability assessment and mitigation, computer forensics and anonymous web browsing. It is developed by the Frozenbox Team.Parrot Security OS is a mixture of Frozenbox OS and Kali Linux. The OS uses Kali repos for updating its tools, but it has its own dedicated repo for storing the custom packets.
Zimbra Collaboration Suite (ZCS) is a collaborative software suite, that includes an email server and web client.Zimbra was initially developed by LiquidSys, which changed their name to Zimbra, Inc. on 26 July 2005. The Zimbra Collaboration Suite was first released in 2005. The company was subsequently purchased by Yahoo! on September 17, 2007, and later sold to VMware on January 12, 2010. In July 2013, it was sold by VMware to Telligent Systems which changed its name to Zimbra, Inc. in September 2013. It was then acquired by Synacor Inc on 18 August 2015. According to former Zimbra President and CTO Scott Dietzen, the name for Zimbra is derived from the song "I Zimbra" by Talking Heads.
The software consists of both client and server components, and a desktop client. Two versions of Zimbra are available: an open-sourceversion, and a commercially supported version ("Network Edition") with closed-source components such as a proprietary Messaging Application Programming Interface connector to Outlook for calendar and contact synchronisation.Zimbra Desktop is a full-featured free desktop email client.Development was discontinued under VMware's stewardship in 2013 but was restarted in February 2014. In addition, the webclient features an HTML5 offline mode starting with version 8.5.The ZCS Web Client is a full-featured collaboration suite that supports email, group calendars, and document sharing using an Ajax web interface that enables tool tips, drag-and-drop items, and right-click menus in the UI. Also included are advanced searching capabilities and date relations, online document authoring, "Zimlet" mashups, and a full administration UI. It is written using the Zimbra Ajax Toolkit.The ZCS Server uses several open source projects (see the section, Included open source projects). It exposes a SOAP application programming interface to all its functionality and is also an IMAP and POP3 server. The server runs on many Linux distributions. OS X Server support was dropped with version ZCS 7.0.ZCS can synchronize mail, contacts, and calendar items with open-source mail clients such as Evolution and also with proprietary clients such as Microsoft Outlook and Apple Mail, either through proprietary connectors or using the ActiveSync protocol, both available exclusively in the commercially supported version. Zimbra also provides native two-way sync to many mobile devices (Nokia Eseries, BlackBerry, Windows Mobile, iPhone, Android).
Drupal is a free and open-source content management framework written in PHP and distributed under the GNU General Public License. Drupal provides a back-end framework for at least 2.3% of all web sites worldwide – ranging from personal blogs to corporate, political, and government sites. Systems also use Drupal for knowledge management and for business collaboration. As of March 2019, the Drupal community comprised more than 1.37 million members, including 114,000 users actively contributing, resulting in more than 42,650 free modules that extend and customize Drupal functionality, over 2,750 free themes that change the look and feel of Drupal, and at least 1,270 free distributions that allow users to quickly and easily set up a complex, use-specific Drupal in fewer steps. The standard release of Drupal, known as Drupal core, contains basic features common to content-management systems. These include user account registration and maintenance, menu management, RSS feeds, taxonomy, page layout customization, and system administration. The Drupal core installation can serve as a simple Web site, a single- or multi-user blog, an Internet forum, or a community Web site providing for user-generated content.Drupal also describes itself as a Web application framework. When compared with notable frameworks Drupal meets most of the generally accepted feature requirements for such web frameworks. Although Drupal offers a sophisticated API for developers, basic Web-site installation and administration of the framework require no programming skills. Drupal runs on any computing platform that supports both a Web server capable of running PHP and a database to store content and configuration.
Dropbox is a file hosting service operated by the American company Dropbox, Inc., headquartered in San Francisco, California, that offers cloud storage, file synchronization, personal cloud, and client software. Dropbox was founded in 2007 by MIT students Drew Houston and Arash Ferdowsi as a startup company, with initial funding from seed accelerator Y Combinator.Dropbox can create a special folder on the user's computer, the contents of which are synchronized to Dropbox's servers and to other computers and devices where the user has installed Dropbox, keeping the same files up-to-date on all devices. Dropbox uses a freemium business model, where users are offered a free account with a set storage size, with paid subscriptions available that offer more capacity and additional features. Dropbox Basic users are given two gigabytes of free storage space. Dropbox Plus users are given one terabyte of storage space, as well as additional features, including advanced sharing controls, remote wipe, and an optional Extended Version History add-on. Dropbox offers computer apps for Microsoft Windows, Apple macOS, and Linux computers, and mobile apps for iOS, Android, and Windows Phone smartphones and tablets. In March 2013, the company acquired Mailbox, a popular email app, and in April 2014, the company introduced Dropbox Carousel, a photo and video gallery app. Both Mailbox and Carousel were shut down in December 2015, with key features from both apps implemented into the regular Dropbox service. In October 2015, it officially announced Dropbox Paper, its collaborative document editor, in a reported effort to expand its operations towards businesses. As of March 2016, Dropbox has 500 million users.Dropbox has received praise, including the Crunchie Award in 2010 for Best Internet Application, and Macworld's 2009 Editor's Choice Award for Software. It has been ranked as one of the most valuable startups in the US and the world, with a valuation of over US$10 billion, and it has been described as one of Y Combinator's most successful investments to date. However, Dropbox has also experienced criticism and generated controversy for issues including security breaches and privacy concerns.Dropbox has been blocked in China since 2014.  It has a five star privacy rating from the Electronic Frontier Foundation.
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