Activiti is a Business Process Management (BPM) and workflow system targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts....

The ever growing paradigm of enterprise application convergence that bundles web, search, document, social and portal capabilities into a single, easy-to-access and modular solution is leading organizations to expect nothing less than rich and “content smart” application to drive their business....

A Meta Object Protocol for Perl 5,

Canoo WebTest is a free open source tool for automated testing of web applications.

It calls web pages and verifies results, giving comprehensive reports on success and failure.

Daisy is a comprehensive content management application framework, consisting of a standalone repository server accessible through HTTP/XML (using the ReST style of WebServices) and/or a high-level (remote) Java API, and an extensive browsing and editing DaisyWiki application running inside Apache Cocoon....

Based on the popular and very useful mod_rewrite for apache, UrlRewriteFilter is a Java Web Filter for any J2EE compliant web application server (such as Resin, Orion or Tomcat), which allows you to rewrite URLs before they get to your code. It is a very powerful tool just like Apache's mod_rewrite....

Docker - the Linux container runtime.

Docker is an open source project to pack, ship and run any application as a lightweight container.

Docker is an open-source implementation of the deployment engine which powers dotCloud, a popular Platform-as-a-Service. It benefits directly from the experience accumulated over several years of large-scale operation and support of hundreds of thousands of applications and databases....

Shindig is an OpenSocial container.,

Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way using this redesigned version of well known FreeMind created by one of its key developers.

SharpMap is an easy-to-use mapping library for use in web and desktop applications. It provides access to many types of GIS data, enables spatial querying of that data, and renders beautiful maps.