Useful Libraries

+--------------------------------------------------------------------------------------------------+
|                                              Useful Libraries                                    |
+--------------------------------------------------------------------------------------------------+

+----------+
|   Ruby   |
+----------+
   -- Web Frameworks
      -- Rails
   -- Internationalization
      -- I18n gem
+----------+
|   PHP    |
+----------+
   -- Database Connectors
      -- mysqli

+----------+
|   Java   |
+----------+
   -- Standard Libraries
      -- Guava
   -- Database Connectors
      -- JDBC
   -- Connection Pools
      -- BoneCP
   -- PDF Generation
      -- iText
   -- Enhanced UI
      -- SwingX
   -- Charts
      -- JFreeChart
   -- OpenGL
      -- JOGL
   -- Game Libraries
      -- LWJGL
   -- Game Engines
      -- 3D
         -- Java Monkey Engine
      -- 2D
         -- Slick2D
   -- Math
      -- Commons Math
   -- Testing
      -- JUnit