Prawn is a pure Ruby PDF generation library that provides a lot of great functionality while trying to remain simple and reasonably performant. It provides support to do Vector drawing, including lines, polygons, curves, ellipses, etc. Extensive text rendering, Security features including encryption and password protection, PNG and JPG image embedding, with flexible scaling options and lot more.

Prawn - Fast, Nimble PDF Generation For Ruby

sqlmap is an open source penetration testing tool that automates the process of detecting and exploiting SQL injection flaws and taking over of database servers. It comes with a powerful detection engine, many niche features for the ultimate penetration tester and a broad range of switches lasting from database fingerprinting, over data fetching from the database, to accessing the underlying file system and executing commands on the operating system via out-of-band connections.
 
It has full support for six SQL injection techniques: boolean-based blind, time-based blind, error-based, UNION query, stacked queries and out-of-band.

sqlmap is an open source penetration testing tool that automates the process of detecting and exploiting SQL injection flaws and taking over of database servers. It comes with a powerful detection engine, many niche features for the ultimate penetration tester and a broad range of switches lasting from database fingerprinting, over data fetching from the database, to accessing the underlying file system and executing commands on the operating system via out-of-band connections.

Sqlmap - Automatic SQL injection and database takeover tool

Geographic Resources Analysis Support System, commonly referred to as GRASS GIS, is a Geographic Information System (GIS) used for data management, image processing, graphics production, spatial modelling, and visualization of many types of data. GRASS supports raster and vector data in two and three dimensions. The vector data model is topological, meaning that areas are defined by boundaries and centroids; boundaries cannot overlap within a single layer.
 
GRASS GIS contains over 350 modules to render maps and images on monitor and paper; manipulate raster, and vector data including vector networks; process multispectral image data; and create, manage, and store spatial data. GRASS GIS offers both an intuitive graphical user interface as well as command line syntax for ease of operations. GRASS GIS can interface with printers, plotters, digitizers, and databases to develop new data as well as manage existing data.

Geographic Resources Analysis Support System, commonly referred to as GRASS GIS, is a Geographic Information System (GIS) used for data management, image processing, graphics production, spatial modelling, and visualization of many types of data. GRASS supports raster and vector data in two and three dimensions. The vector data model is topological, meaning that areas are defined by boundaries and centroids; boundaries cannot overlap within a single layer.

GRASS GIS - Geographic Resources Analysis Support System

Gramps is a genealogy program that allows you to easily build and keep track of your family tree. It supports the GEDCOM standard, allows fine grained privacy controls and can generate many different types of reports like descendant trees, graphs, connection diagrams etc. Gramps gives you the ability to record the many details of an individual’s life as well as the complex relationships between various people, places and events. It gives a summary of the active person’s parents, siblings, spouses and children.

Gramps - Research, organize and share your family tree with Gramps

Wireshark is a network traffic analyzer, or "sniffer", for Linux, macOS, *BSD and other Unix and Unix-like operating systems and for Windows. It uses Qt, a graphical user interface library, and libpcap and npcap as
packet capture and filtering libraries.
 
Its features include:
<ul>
 <li>Deep inspection of hundreds of protocols, with more being added all the time</li>
 <li>Live capture and offline analysis</li>
 <li>Standard three-pane packet browser</li>
 <li>Multi-platform: Runs on Windows, Linux, macOS, Solaris, FreeBSD, NetBSD, and many others</li>
 <li>Captured network data can be browsed via a GUI, or via the TTY-mode TShark utility</li>
 <li>The most powerful display filters in the industry</li>
 <li>Rich VoIP analysis</li>
 <li>Read/write many different capture file formats: tcpdump (libpcap), Pcap NG, Catapult DCT2000, Cisco Secure IDS iplog, Microsoft Network Monitor, Network General Sniffer® (compressed and uncompressed), Sniffer® Pro, and NetXray®, Network Instruments Observer, NetScreen snoop, Novell LANalyzer, RADCOM WAN/LAN Analyzer, Shomiti/Finisar Surveyor, Tektronix K12xx, Visual Networks Visual UpTime, WildPackets EtherPeek/TokenPeek/AiroPeek, and many others</li>
 <li>Capture files compressed with gzip can be decompressed on the fly</li>
 <li>Live data can be read from Ethernet, IEEE 802.11, PPP/HDLC, ATM, Bluetooth, USB, Token Ring, Frame Relay, FDDI, and others (depending on your platform)</li>
 <li>Decryption support for many protocols, including IPsec, ISAKMP, Kerberos, SNMPv3, SSL/TLS, WEP, and WPA/WPA2</li>
 <li>Coloring rules can be applied to the packet list for quick, intuitive analysis</li>
 <li>Output can be exported to XML, PostScript®, CSV, or plain text</li>
 </ul>

Wireshark is a network traffic analyzer, or "sniffer", for Linux, macOS, *BSD and other Unix and Unix-like operating systems and for Windows. It uses Qt, a graphical user interface library, and libpcap and npcap as
packet capture and filtering libraries.

Wireshark - Network Traffic Analyzer

Jellyfin is a Free Software Media System that puts you in control of managing and streaming your media. It is an alternative to the proprietary Emby and Plex, to provide media from a dedicated server to end-user devices via multiple apps. Jellyfin lets you watch your media from a web browser on your computer, apps on your Roku, Android, iOS (including AirPlay), Android TV, or Fire TV device, or via your Chromecast or existing Kodi.



Jellyfin - The Free Software Media System

Aloha Editor is a JavaScript library that replaces ContentEditable with a new way to do content editing. Based on the principle of "What you see is what you get", the HTML5 editor makes it possible to edit websites directly on the portal. Fast, uncomplicated editing of videos, photos, graphics, animation and text is daily business with Aloha Editor.

Aloha Editor - The HTML5 WYSIWYG Editor

Bazaar is a version control system that helps you track project history over time and to collaborate easily with others. Whether you're a single developer, a co-located team or a community of developers scattered across the world, Bazaar scales and adapts to meet your needs. Part of the GNU Project, Bazaar is free software sponsored by Canonical. The top ten reasons for switching to Bazaar are: Version control for everyone, Work offline, Any workflow, Cross platform support, Rename tracking and smart, merging, High storage efficiency and speed, Any workspace model, Plays well with others, Launchpad, Plugins and bzrlib.

Bazaar is a version control system that helps you track project history over time and to collaborate easily with others. Whether you're a single developer, a co-located team or a community of developers scattered across the world, Bazaar scales and adapts to meet your needs. Part of the GNU Project, Bazaar is free software sponsored by Canonical.

Bazaar

Plone integrates with Active Directory, Salesforce, LDAP, SQL, Web Services. LDAP or Oracle. Based on Python and the Zope libraries, Plone has a technological edge that has has helped it attain the best security track record of any major CMS. Its features include Easy collaboration and sharing, Versioning, history and reverting content, visual HTML editor, Powerful workflow capabilities, Flexible authentication back-end, Full-text indexing of Word and PDF documents, Support for the search engine Sitemap protocol, Support for multiple mark-up formats, Wiki support, Rules engine for content, Portlets engine, LiveSearch, Outstanding multilingual content management, Time-based publishing, Human-readable URLs, Easy-to-use, powerful graphical page editor, Resource compression, Powerful caching proxy integration, Workflow, Powerful standard content types, Content is automatically formatted for printing, Pervasive RSS feed support, Automatic image scaling and thumbnail generation, Rich ecosystem of free add-on products, Cross-platform, Comment capabilities on any content, Simple installer packages for multiple platforms, WebDAV and FTP support, In-context editing, "Hot backup" support. Professional support, development, hosting & training are also provided.

Plone lets non-technical people create and maintain information using only a web browser. Perfect for web sites or intranets, Plone offers superior security without sacrificing extensibility or ease of use.

Plone

Mercurial is a free, distributed source control management tool. It offers you the power to efficiently handle projects of any size while using an intuitive interface. It is easy to use and hard to break, making it ideal for anyone working with versioned files. Traditional version control systems such as Subversion are typical client-server architectures with a central server to store the revisions of a project. In contrast, Mercurial is truly distributed, giving each developer a local copy of the entire development history. This way it works independent of network access or a central server. Committing, branching and merging are fast and cheap. Mercurials implementation and data structures are designed to be fast. You can generate diffs between revisions, or jump back in time within seconds. Therefore Mercurial is perfectly suitable for large projects such as OpenJDK (hg) or NetBeans (hg).

Mercurial is fast and powerful. Mercurial offers you the power and speed to efficiently handle projects of any size and kind. Every clone contains the whole project history, so committing, branching, tagging and merging are local operations which makes them fast and convenient. You can use a multitude of workflows and easily enhance its functionality with extensions.

Mercurial

phpMyAdmin is a free software tool written in PHP intended to handle the administration of MySQL over the World Wide Web. phpMyAdmin supports a wide range of operations with MySQL. The most frequently used operations are supported by the user interface (managing databases, tables, fields, relations, indexes, users, permissions, etc), while you still have the ability to directly execute any SQL statement. 
 Its feature include: 
 <UL>
	<LI>Intuitive web interface</LI>
	<LI>Browse and drop databases, tables, views, fields and indexes</LI>
	<LI>Create, copy, drop, rename and alter databases, tables, fields and indexes</LI>
	<LI>Maintenance server, databases and tables, with proposals on server configuration</LI>
	<LI>Execute, edit and bookmark any SQL-statement, even batch-queries </LI>
	<LI>Manage MySQL users and privileges</LI>
	<LI>Manage stored procedures and triggers</LI>
	<LI>Import data from CSV and SQL</LI>
	<LI>Export data to various formats: CSV, SQL, XML, PDF, ISO/IEC 26300 - OpenDocument Text and Spreadsheet, Word, Excel, LATEX and others</LI>
	<LI>Administering multiple servers</LI>
	<LI>Creating PDF graphics of your database layout</LI>
	<LI>Creating complex queries using Query-by-example (QBE)</LI>
	<LI>Searching globally in a database or a subset of it</LI>
 <LI>Transforming stored data into any format using a set of predefined functions, like displaying BLOB-data as image or download-link</LI>
 </UL>

phpMyAdmin is a free software tool written in PHP intended to handle the administration of MySQL over the World Wide Web. phpMyAdmin supports a wide range of operations with MySQL. The most frequently used operations are supported by the user interface (managing databases, tables, fields, relations, indexes, users, permissions, etc), while you still have the ability to directly execute any SQL statement.

PHPMyAdmin

Super Scheduler is a full-featured task scheduler for all system and application job scheduling. Super Scheduler is the twin software of Super Watchdog, which is event-action task scheduler for event monitoring. Its features include:
 <UL>
	<LI>Fully supports distributed computing environment</LI>
	<LI>Master-Slave remote execution</LI>
	<LI>detects missed tasks and sends alarm email messages</LI>
	<LI>GUI tool for scheduling and monitoring tasks</LI>
	<LI>All tasks can be programmatically controlled </LI>
	<LI>Comprehensive holiday/weekend policies and facilities </LI>
	<LI>Lightweight daemon for non graphic environment.</LI>
	<LI>Role Based Entitlement management</LI>
 </UL>

Super Scheduler is a full-featured task scheduler for all system and application job scheduling. Super Scheduler is the twin software of Super Watchdog, which is event-action task scheduler for event monitoring.

Superscheduler

An open source .NET web crawler written in C# using SQL 2005/2008. Arachnode.net is a complete and comprehensive .NET web crawler for downloading, indexing and storing Internet content including e-mail addresses, files, hyperlinks, images, and Web pages. Its features include
 <UL>
	<LI>.NET architecture</LI>
	<LI>Configurable Rules and Actions</LI>
	<LI>Lucene.NET Integration</LI>
	<LI>SQL Server 2008 and full-text indexing</LI>
	<LI>.DOC/.PDF/.PPT/.XLS Indexing</LI>
	<LI>HTML to XML and XHTML</LI>
	<LI>Multi-threading and Throttling</LI>
	<LI>Respectful Crawling</LI>
	<LI>Analysis Services</LI>
	<LI>SQL Server 2008 and SSIS</LI>
	<LI>EXIF data extraction</LI>
 </UL>

An open source .NET web crawler written in C# using SQL 2005/2008. Arachnode.net is a complete and comprehensive .NET web crawler for downloading, indexing and storing Internet content including e-mail addresses, files, hyperlinks, images, and Web pages.

Arachnode.net

ClearOS is a powerful network and gateway server designed for small organizations and distributed environments. The open source revolution in the software industry has made it possible to provide ClearOS at no cost. Among other features, antivirus, antispam, VPN and content filtering are built right into the software -- no need for expensive third party add-ons. With ClearOS, you can avoid costly vendor lock-in and proprietary formats; instead, you can embrace open standards and protocols. Its feature include:
 <UL>
	<LI>Integrated LDAP for User and Group Management</LI>
	<LI>User Security Certificate Manager</LI>
	<LI>Multi-WAN, VPN - PPTP, IPsec, OpenVPN, DMZ and 1-to-1 NAT, Firewall, Local DHCP and DNS Servers</LI>
	<LI>Bandwidth Management</LI>
	<LI>Intrusion Protection, Intrusion Prevention, Intrusion Detection</LI>
	<LI>Antimalware - Antivirus, Antiphishing, Antispyware, Antispam</LI>
	<LI>Protocol Filtering including Peer-to-Peer Detection</LI>
	<LI>Content Filter</LI>
	<LI>Web Proxy</LI>
	<LI>Access Control</LI>
	<LI>File and Print Services</LI>
	<LI>Mail Server - POP, IMAP, SMTP, Webmail, Retrieval, Archiving</LI>
	<LI>Database with MySQL</LI>
	<LI>Web Server with PHP Support</LI>
 </UL>

ClearOS is a powerful network and gateway server designed for small organizations and distributed environments. The open source revolution in the software industry has made it possible to provide ClearOS at no cost.  Among other features, antivirus, antispam, VPN and content filtering are built right into the software -- no need for expensive third party add-ons. With ClearOS, you can avoid costly vendor lock-in and proprietary formats; instead, you can embrace open standards and protocols.

ClearOS - Linux based Operating System

STSdb is an embedded object database system (NoSQL key/value pair storage engine) designed for mission critical and real-time applications. It provides intuitive use and blazing performance. It has transaction support, Snapshots, LINQ, Custom compression and lot more. STSdb is implemented and inter-operate on Windows, Linux, BSD, UNIX, Mac OS X under the Mono platform.

STSdb - Embedded .NET Database

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