The Accord.NET project provides machine learning, statistics, artificial intelligence, computer vision and image processing methods to .NET. It can be used on Microsoft Windows, Xamarin, Unity3D, Windows Store applications, Linux or mobile.
 
After merging with the AForge.NET project, the framework now offers a unified API for learning/training machine learning models that is both easy to use and extensible. 
 
It supports Vector Machines , Logistic Regression , Decision Trees , Neural Networks , Deep Learning (Deep Neural Networks), Levenberg-Marquardt with Bayesian Regularization , Restricted Boltzmann Machines , Sequence classification , Hidden Markov Classifiers and Hidden Conditional Random Fields, Multiple linear regression , Multivariate linear regression , polynomial regression , logarithmic regression.
 
 Clustering algorithms like K-Means , K-Modes , Mean-Shift , Gaussian Mixture Models , Binary Split, Image processing, Load, parse, save, filter and transform audio signals, Real-time face detection and tracking , as well as general methods for detecting , tracking and transforming objects in image streams and lot more.

The Accord.NET project provides machine learning, statistics, artificial intelligence, computer vision and image processing methods to .NET. It can be used on Microsoft Windows, Xamarin, Unity3D, Windows Store applications, Linux or mobile.

Accord.NET - Machine learning, Computer vision, Statistics and general scientific computing for .NET

p5.js is a JavaScript library that starts with the original goal of Processing, to make coding accessible for artists, designers, educators, and beginners, and reinterprets this for today's web.Using the original metaphor of a software sketchbook, p5.js has a full set of drawing functionality. However, you're not limited to your drawing canvas, you can think of your whole browser page as your sketch! For this, p5.js has addon libraries that make it easy to interact with other HTML5 objects, including text, input, video, webcam, and sound.

p5 - JS client-side library for creating graphic and interactive experiences, based on the core principles of Processing

BRL-CAD is a powerful cross-platform constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing for rendering amp; geometric analyses, network distributed framebuffer support, image & signal-processing tools.
 
BRL-CAD supports a wide variety of geometric representations, including an extensive set of traditional implicit "primitive shapes" (such as boxes, ellipsoids, cones, and tori) as well as explicit primitives made from collections of uniform B-spline surfaces, non-uniform rational B-spline (NURBS) surfaces, n-manifold geometry (NMG), and purely faceted polygonal mesh geometry. All geometric objects may be combined using boolean set-theoretic CSG operations such as union, intersection and difference.

BRL-CAD is a powerful cross-platform constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing for rendering amp; geometric analyses, network distributed framebuffer support, image & signal-processing tools.

BRL-CAD - Solid Modeling System

SQLToNoSQLImporter is a Solr like data import handler to import Sql (MySQL,Oracle,PostgreSQL) data to NoSQL Systems (Mongodb,CouchDB,Elastic Search). Migration is now completely configuration driven. SQLToNoSQLImporter reads from sql databases, converts and then batch inserts them into NoSQL datastore.

SQLToNoSQLImporter - Import data from SQL to NoSQL systems

jFreeChart is a widely used open source charting library. Its flexible design is easy to extend and targets both server-side and client-side applications. It supports many output types, including Swing components, image files (PNG and JPEG) and vector graphics file formats (including PDF, EPS and SVG). It may not provide real time charts, updating the dataset once per second is fine. Refreshing the chart less than a second will result in high cpu load. <A HREF="http://www.ujihara.jp/jbyjsharp/jfreechart/" target="_blank">jFreeChart.NET</A> - JFreeChart ported on .NET. Demo: <A HREF="http://www.jfree.org/jfreechart/jfreechart-1.0.13-demo.jnlp" target="_blank">http://www.jfree.org/jfreechart/jfreechart-1.0.13-demo.jnlp</A>

jFreeChart is a widely used open source charting library. Its flexible design is easy to extend and targets both server-side and client-side applications. It supports many output types, including Swing components, image files (PNG and JPEG) and vector graphics file formats (including PDF, EPS and SVG).

jFreeChart - Java and .NET chart library

librsync is a library for calculating and applying network deltas, with an interface designed to ease integration into diverse network applications. librsync encapsulates the core algorithms of the rsync protocol, which help with efficient calculation of the differences between two files. The rsync algorithm is different from most differencing algorithms because it does not require the presence of the two files to calculate the delta. Instead, it requires a set of checksums of each block of one file, which together form a signature for that file. Blocks at any in the other file which have the same checksum are likely to be identical, and whatever remains is the difference.

librsync -- network-delta library

Linux Desktop Testing Project is aimed at producing high quality test automation framework (using GNOME / Python) and cutting-edge tools that can be used to test Linux Desktop and improve it. It uses the Accessibility libraries to poke through the application's user interface. We strive to help in building a quality desktop. The GNU LDTP core framework uses Appmap and the recorded test-cases to test an application and then gives the status of each test-case as output. As of now, GNU LDTP can test any GNOME-based GUI applications, which are accessibility-enabled, Mozilla, Openoffice.org, any Java application (should have a UI based on swing) and KDE 4.0 applications based on QT 4.0 (based on the press releases by KDE). 
 Its features include
 <UL>
	<LI>LDTP concepts are derived from <a class="http" href="http://safsdev.sourceforge.net/Default.htm">Software Automation Framework Support</a></LI>
	<LI>LDTP supports verification of actions performed (guiexist, verifystate, etc)</LI>
	<LI>Writing test scripts are very easy, the script writer need not know about the object hierarchy </LI>
	<LI>CPU / Memory performance monitoring of application-under-test can be measured</LI>
	<LI>From the XML log, we can gather HTML report using XSLT</LI>
	<LI>Group based execution, which provides precise control on the flow of test-script execution</LI>
	<LI>Scripts can be written as a reusable component and for that the data can be stored / retrieved in XML</LI>
	<LI>User-friendly Text Editor with syntax highlighting for generating and grouping test data</LI>
	<LI>Objects are identified both statically and dynamically</LI>
	<LI>Record / Playback</LI>
 </UL>

 Moderator comments: Ubuntu, GNOME are using this framework.

Linux Desktop Testing Project is aimed at producing high quality test automation framework (using GNOME / Python) and cutting-edge tools that can be used to test Linux Desktop and improve it. It uses the Accessibility libraries to poke through the application's user interface. We strive to help in building a quality desktop.

Linux Desktop Testing Project

c3p0 is an easy-to-use library for making traditional JDBC drivers "enterprise-ready" by augmenting them with functionality defined by the jdbc3 spec and the optional extensions to jdbc2. It provides (DriverManager-based) JDBC drivers with JNDI-bindable DataSources, including DataSources that implement Connection and Statement Pooling, as described by the jdbc3 spec and jdbc2 std extension. A connection pool is used to minimize the number of connections opened between application and database. Statement pool stores a partially compiled version of a statement in order to increase performance.

c3p0 is an easy-to-use library for making traditional JDBC drivers "enterprise-ready" by augmenting them with functionality defined by the jdbc3 spec and the optional extensions to jdbc2. It provides (DriverManager-based) JDBC drivers with JNDI-bindable DataSources, including DataSources that implement Connection and Statement Pooling, as described by the jdbc3 spec and jdbc2 std extension.

c3p0 - JDBC3 Connection and Statement Pooling

Hibernate facilitated the storage and retrieval of domain objects via Object/Relational Mapping. Today, Hibernate is a collection of related projects enabling developers to utilize POJO-style domain models in their applications in ways extending well beyond Object/Relational Mapping. Hibernate lets you develop persistent classes following natural Object-oriented idioms including inheritance, polymorphism, association, composition. It supports Oracle, DB2, MySQL, PostgreSQL, Sybase, Interbase, Microsoft SQL Server, Progress, SAP DB, and HypersonicSQL. It also provides support to do text search and Shard (horizontal partition) the database.
 <UL>
	<LI>Transparent Persistence</LI>
	<LI>High Performance</LI>
	<LI>Reliability and Scalability</LI>
	<LI>Extensibility: Hibernate is highly customizable and extensible. </LI>
	<LI>Support for Hibernate Query Language (HQL)</LI>
 </UL>

Hibernate facilitated the storage and retrieval of domain objects via Object/Relational Mapping.  Today, Hibernate is a collection of related projects enabling developers to utilize POJO-style domain models in their applications in ways extending well beyond Object/Relational Mapping.

Hibernate - Relational Persistence for Java

NHibernate is a mature, open source object-relational mapper for the .NET framework. NHibernate is a port of Hibernate Core for Java to the .NET Framework. It handles persisting plain .NET objects to and from an underlying relational database. NHibernate supports transparent persistence, your object classes don't have to follow a restrictive programming model. Persistent classes do not need to implement any interface or inherit from a special base class. This makes it possible to design the business logic using plain .NET (CLR) objects and object-oriented idiom. Full Text Search. Cluster-scoped caching with Microsoft Velocity & Memcached. Business validation rules. ReSharper plugin. Castle Active Record. S#arp Architecture. And many more... 
 <UL><li>Natural programming model - NHibernate supports natural OO idiom; inheritance, polymorphism, composition and the .NET collections framework, including generic collections.</li></ul><ul style="text-align: justify;"><li>Native .NET - NHibernate API uses .NET conventions and idioms</li></ul><ul style="text-align: justify;"><li>Support for fine-grained object models - a rich variety of mappings for collections and dependent objects</li></ul><ul style="text-align: justify;"><li>No build-time bytecode enhancement - there's no extra code generation or bytecode processing steps in your build procedure</li></ul><ul style="text-align: justify;"><li>The query options - NHibernate addresses both sides of the problem; not only how to get objects into the database, but also how to get them out again</li></ul><ul style="text-align: justify;"><li>Custom SQL - specify the exact SQL that NHibernate should use to persist your objects. Stored procedures are supported on Microsoft SQL Server.</li></ul><ul style="text-align: justify;"><li>Support for "conversations" - NHibernate supports long-lived persistence contexts, detach/reattach of objects, and takes care of optimistic locking automatically</li></ul><ul style="text-align: justify;"></ul>

NHibernate is a mature, open source object-relational mapper for the .NET framework. NHibernate is a port of Hibernate Core for Java to the .NET Framework. It handles persisting plain .NET objects to and from an underlying relational database.

NHibernate - object-relational mapper for .NET

FindBugs uses static analysis to look for bugs in Java code. it can analyze programs compiled for any version of Java. Eclipse and Maven plugins are available. FindBugs has been downloaded more than 700,000 times.

FindBugs - Static Analysis Tool for Java

Tiki Wiki CMS Groupware is a full-featured, web-based, multilingual (35+ languages), tightly integrated, all-in-one Wiki+CMS+Groupware using PHP, MySQL, Zend Framework, jQuery and Smarty. Actively developed by a very large international community, Tiki can be used to create all kinds of Web applications, sites, portals, knowledge bases, intranets, and extranets. It has support of wiki, forum, Blog, Articles, Image gallery, map server, link directory, Bug tracker and lot more.

Tiki Wiki CMS Groupware is a full-featured, web-based, multilingual (35+ languages), tightly integrated, all-in-one Wiki+CMS+Groupware using PHP, MySQL, Zend Framework, jQuery and Smarty. Actively developed by a very large international community, Tiki can be used to create all kinds of Web applications, sites, portals, knowledge bases, intranets, and extranets.

Tiki Wiki CMS Groupware

ZK is the leading Ajax + Mobile framework that is designed to build amazing Java web applications in a quick, efficient and elegant manner without needing any knowledge on Ajax or JavaScript. Unlike other conventional web frameworks, ZK is renowned for its shallow learning curve and unique Server+client architecture offering users a high performance, high security and low maintenance framework at an enterprise level. Being component based and event driven, 200+ UI Ajax components are readily at hand including mega components such as spreadsheet, pivot table, calendar and numerous jQuery based components.

ZK is the leading Ajax + Mobile framework that is designed to build amazing Java web applications in a quick, efficient and elegant manner without needing any knowledge on Ajax or JavaScript. Unlike other conventional web frameworks, ZK is renowned for its shallow learning curve and unique Server+client architecture offering users a high performance, high security and low maintenance framework at an enterprise level.

ZK – Java Web Framework for Web and Mobile

HyperGraphDB is a general purpose, open-source data storage mechanism based on a powerful knowledge management formalism known as directed hypergraphs. While a persistent memory model designed mostly for Knowledge management, Artificial Intelligence and Semantic web projects, it can also be used as an embedded object-oriented database for Java projects of all sizes. It could also be used as graph database or as (non-SQL) relational database. 

 A P2P framework for distributed processing has been implemented for replication/data partitioning algorithms as well as client-server style computing. While it falls into the general family of graph databases, it is hard to categorize HyperGraphDB as yet another database because much of its design evolves around providing the means to manage structure-rich information with arbitrary layers of complexity. 

 Source code location: <A HREF="http://code.google.com/p/hypergraphdb" target="_blank">http://code.google.com/p/hypergraphdb</A>

HyperGraphDB is a general purpose, open-source data storage mechanism based on a powerful knowledge management formalism known as directed hypergraphs. While a persistent memory model designed mostly for Knowledge management, Artificial Intelligence and Semantic web projects, it can also be used as an embedded object-oriented database for Java projects of all sizes. It could also be used as graph database or as (non-SQL) relational database.

HyperGraphDB - Database for Storing Strongly-Typed Hypergraphs

OpenNX is an open source drop in replacement for NoMachine's NX client. It is compatible to the original client in that it uses the same syntax for the session configuration files (.nxs files). It uses NX technology for providing a remote desktop display. It has ability to use the OpenSC framework, Ability to use a variety of different proxy types and lot more.  

OpenNX - ALternative to NoMachine NX client

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