In the past week, Sun has announced availability of new releases and
updates to three of the most interesting Developer tools:

• Sun Studio 12 Update 1 is the latest production release of Sun
  Studio Compilers and Tools. Among the shiny new features are:
• C, C++, Fortran compiler optimizations for the latest
  UltraSPARC and SPARC64-based architectures and support for latest Intel
  and AMD chips, including SSE3, SSE4a, SSE4.1 and SSE4.2 instructions
• Compiler, debugger, and profiling support for OpenMP 3.0
• Profiling of distributed MPI-based applications 
• DLight - New tool for unified application and system profiling
  using Dynamic Tracing (DTrace) technology on Solaris platforms 
• dbxTool - New stand-alone graphical debugger 
• Highly tuned and parallelized scientific libraries, including
  ScaLAPACK 
• Updated IDE based on NetBeans 6.5.1 software

    Look here for more information:
http://developers.sun.com  as well as the Studio
website:  http://developers.sun.com/sunstudio

• Sun HPC ClusterTools 8.2 offers an integrated toolkit with
  a  comprehensive set of capabilities for parallel computing that
  allows developers to create and tune MPI applications that run on
  high-performance clusters. You get MPI libraries based on Open MPI
  1.3.3 standard and ORTE parallel job launcher. It also includes support
  for Infiniband, shared memory, 10 GbE and Myrinet MX support along with
  plug-in for Sun Grid Engine, support for third party parallel debuggers
  (TotalView and Allinea DDT) and is integrated with Sun Studio Analyzer.
  You can find more information on this release (including Download,
  Documentation) for Solaris 10, OpenSolaris (both SPARC and x86), and
  Linuxes (RHEL5, SLES10 and CentOS 5) here:
  http://www.sun.com/software/products/clustertools 

• NetBeans
  6.7 has shipped.  The primary focus of this release was
  connectivity: helping developers connect to the latest technologies and
  to each other. NetBeans 6.7 now offers:
• Integration with Project Kenai 
• Native support for Maven 
• Support for GlassFish (v3) 
• Issue tracker and Hudson integrations 
• Support for JavaScript 1.7 
• Ruby remote debugging 
• Integration of the Java ME SDK 3.0

    You can find more information about NetBeans 6.7 here.

Source/Kaynak : http://blogs.sun.com/tatkar/entry/three_new_important_sun_developer