Technology Stack

Client Tier

• Bootstrap : Bootstrap has a lot of predefined web style(js, css etc ), it is sleek and intuitive.We uses it span all over the nGrinder web pages.
• Bootstrap-slider:Bootstrap-slider is a beauty of Bootstrap UI widgets,so we used it on test duration in Test Configuration.
• Jquery :jQuery is a lightweight JavaScript library,it make much easier to use JS on nGrinder web pages.
• Jquery Validate : Jquery Validate is an excellent tool for web pages to validate data entries at the client side and so nGrinder pages validation used it.
• Datatables : DataTables is a highly flexible JS tool which will add advanced interaction controls to any HTML table and nGrinder table list used it.
• Select2 : Select2 is jQuery based replacement for select boxes which supports searching and infinite scrolling of results and nGrinder chose it as select boxes.
• JqPlot :  jqPlot could generate pure client-side JS charts in web pages and therefore all over nGrinder data chart used it.
• CodeMirror :CodeMirror is an excellent code editor with syntax highlighting in the browser.We use it in the nGrinder Scripting.

Controller Tier

• FreeMarker :FreeMarker is a Java-based template engine focusing on the MVC framework and nGrinder web pages is used it as Template.
• Spring Security :  Spring Security not only is a powerful and highly authentication and access-control framework,but it also is one of the most mature and widely used .therefore it protected nGrinder from illegal access.
• Spring MVC : Spring MVC provides rich functionality for building robust Web Applications.nGrinder used wonderfully its annotation based configuration.
• GSon :Gson is a Java library that can be used to convert Java Objects into its JSON representation, and vice versa.
• SVNKit Dav : We use this for serving the underlying SVN content thought web.

Service Tier

• Grinder : Grinder is a java load Testing framework which nGrinder mainly referred to.
• Atlassian Plugin Framework :We use this framework to make the plugin development easier. It's not so heavy weight and easy to use!
• Spring  : Spring Framework provides a comprehensive programming and configuration model for J2ee applications and nGrinder put it to good use in its architecture.
• EhCache : Ehcache has had excellent Spring integration.nGrinder will use to synch data between different IDC during running in cluster mode.

Data Tier

• Spring Data :Spring Data simplifies the development of creating a JPA-based data access layer.we use RDBMS in nGrinder and then library enables the RDBMS access without single line of SQL.
• Hibernate : Hibernate is a powerful technology for persisting data,and it is Spring Data backend within nGrinder.
• H2 : H2 is one of two dataBases nGrinder supported and it is used in embedded mode within nGrinder.
• Cubrid :Cubrid is one of two dataBases nGrinder supported. It's stable enough and supports HA.
• Liquibase : Liquibase is an open source that automated updates, managing and generation of SQL scripts to apply database changes and it supported almost all kinds of major Database as well.so nGrinder used  as its update DB schema while upgrading.
• SVNKit : SVNKit is a pure Java toolkit which implements all Subversion features and provides APIs to work with Subversion working and nGrinder script management used by SVN .