Open Source

Free and Open Source Document Database 2015 ArangoDB is a distributed free and open-source database with a flexible data model for documents, graphs, and key-values. Its query language AQL (ArangoDB Query Language) supports joins, graph queries, list iteration, results filtering, results projection, sorting, grouping, aggregate functions, unions and intersections. Transactions…

Free and Open Source Graph Database 2015 Graph databases are primarily concerned with nodes and the connections between them (usually called edges). They tend to be used for their high performance and their natural ability to model rich data (rich in relationships). Some of these are free and others open…

Apache Geronimo is an open source server runtime that integrates open source projects to create Java/OSGi server runtimes that meet the needs of enterprise developers and system administrators. The most popular distribution is a fully certified Java EE 6 application server runtime. It integrates with Eclipse, is easy to use…

These are open source alternatives to Jasperreports Eclipse Birt BIRT (free BI suite) is an open source software project that provides the BIRT technology platform to create data visualizations and reports that can be embedded into rich client and web applications, especially those based on Java and Java EE. BIRT…

Here are open source alternatives to Birt. JasperReports JasperReports (free BI suite) Server is a stand-alone and embeddable reporting server. It provides reporting and analytics that can be embedded into a web or mobile application as well as operate as a central information hub for the enterprise by delivering mission…

Four open source alternatives to Pentaho Community Eclipse Birt BIRT (free BI suite) is an open source software project that provides the BIRT technology platform to create data visualizations and reports that can be embedded into rich client and web applications, especially those based on Java and Java EE. BIRT…

Bayesian Network Software Free 2015 Bayesian Network Tools in Java Bayesian Network Tools in Java (BNJ) is an open-source suite of software tools for research and development using graphical models of probability. It is implemented in 100% pure Java and distributed under the GNU General Public License (GPL) by the…

These business rules engine are widely used and mainly come from an open source heritage. Drools provides a core Business Rules Engine (BRE), a web authoring and rules management application (Drools Workbench) and an Eclipse IDE plugin for core development. Jess is a rule engine and scripting environment written entirely…

Free Open Source BPM Platforms 2015 People have always created and modified business processes, but until business process management (BPM) tools became available it was often an informal and fairly ad-hoc procedure. There is nothing particularly complex about BPM, despite the unnecessarily elaborate terminology. In essence it provides a language…