Freewares on Windows

• Antivirus
  • AVG Anti-Virus System (http://www.grisoft.com)
• Database
  • Hypersonic SQL (http://hsqldb.sourceforge.net)
  • MySQL (http://www.mysql.com)
  • Xindice (http://xml.apache.org/xindice)
• Editor & Viewer
  • AbiWord (http://www.abisource.com)
  • Acrobat Reader (http://www.adobe.com/products/acrobat/readstep.html)
  • GS View (http://www.cs.wisc.edu/~ghost/gsview)
  • jEdit (http://www.jedit.org)
  • Jext (http://jext.sourceforge.net)
  • MikTex (http://www.miktex.org)
  • Open Office (http://www.openoffice.org)
  • SOT Office (http://www.sot.com/en/linux/soto)
  • VIM (http://www.vim.org)
• Image & Multimedia
  • DivX Video (http://www.divx.com)
  • FreeAmp (http://www.freeamp.org)
  • GIMP (http://www.gimp.org)
  • SlowView (http://www.slowview.at)
  • WinAMP (http://www.winamp.com)
• Networking
  • ICQ (http://www.icq.com)
  • IncrediMail (http://www.incredimail.com)
  • Opera (http://www.opera.com)
  • Putty (http://www.chiark.greenend.org.uk/~sgtatham/putty)
  • Trillian (http://www.trillian.cc)
• Programming
  • C/C++ (http://java.sun.com)
    • Bloodshed Dev-C++ (http://www.bloodshed.net/)
    • LCC-Win32 (http://www.cs.virginia.edu/~lcc-win32/)
  • Java (http://java.sun.com)
    • Eclipse (http://www.eclipse.org/)
    • Jikes (http://oss.software.ibm.com/developerworks/opensource/jikes)
    • JSwat - A Graphical Java Debugger (http://www.bluemarsh.com/java/jswat)
    • NetBeans (http://www.netbeans.org)
  • Pascal
    • Bloodshed Dev-Pascal (http://www.bloodshed.net/)
    • Free Pascal (http://www.freepascal.org)
  • Perl
    • Open Perl IDE (http://open-perl-ide.sourceforge.net/)
  • PHP (http://www.php.net)
  • Python (http://www.python.org)
    • IDE Studio (http://starship.python.net/crew/mike/Tide/idledev/IDEStudio.html)
    • Jython (http://www.jython.org)
  • Prolog
    • SWI-Prolog (http://www.swi.psy.uva.nl/projects/SWI-Prolog)
    • Visual Prolog (http://www.visual-prolog.com)
  • Ruby (http://www.ruby-lang.org/en/)
  • TCL
    • Tcl/Tk (http://tcl.activestate.com)
    • Visual Tcl (http://vtcl.sourceforge.net)
  • X Language (http://www.freesoftware.fsf.org/xlang)
• Research
  • Data Mining
    • Weka (http://www.cs.waikato.ac.nz/~ml/weka)
  • Plotting
    • GNUplot (http://www.gnuplot.info)
  • Mathematics
    • GNU Octave (http://www.octave.org/)
    • Scilab (http://scilabsoft.inria.fr/)
  • Networking
    • NS-2 (http://www.isi.edu/nsnam/ns)
  • Statistics
    • R (http://www.r-project.org)
  • XCircuit (http://xcircuit.ece.jhu.edu)
• System
  • CVS Client (http://www.wincvs.org)
  • CVS Server for NT (http://www.cvsnt.org)
  • Cygwin (http://cygwin.com)
  • TightVNC (http://www.tightvnc.com)
  • VNC (http://www.uk.research.att.com/vnc/)
• Server
  • DNS Server
    • BIND (http://www.isc.org/products/BIND/)
  • Mail Server
    • ArGoSoft Mail Server (http://www.argosoft.com/applications/mailserver)
    • Java Mail Server (http://www.jps.at/java/tools/mailserver.html)
  • WWW Server
    • AOLserver (http://www.aolserver.com)
    • Apache (http://www.apache.org)
    • IBM HTTP Server (http://www-4.ibm.com/software/webservers/httpservers)
    • JBoss (http://www.jboss.org)
    • Jetty (http://jetty.mortbay.org/jetty)
    • Tomcat (http://jakarta.apache.org/tomcat)
    • Zope (http://www.zope.org)