Red Hat Linux 7 New features:
  • OpenSSL with 128-bit encryption for secure web communication

  • 2.4 kernel ready

  • USB support for mice and keyboards

  • XFree 4.0.1 for improved video performance

  • Cleaner, faster, more customizable GNOME desktop and Sawfish window manager

  • Graphical kernel tuning tool

  • Graphical firewall configuration tool

 
Features for the developer:

  • Upgrade from previous versions of Red Hat Linux as early as 3.0.3

  • Multiple programming languages, including C, C++, FORTRAN, Perl, Python, TCL and GCJ - GNU compiler for JavaŽ.

  • Updated development toolchain with gcc 2.96, gdb 5.0, glibc 2.2

  • Popular web application development tools like PHP and Zope

  • Also includes a preview of GUI development tools including the GTK+ 2.0 widget set, Pango, and Inti.

http://www.redhat.com/products/software/linux/rhl7_standard.html