Shareware: You can try this program, but this version has some limited features or time usage restrictions. You should purchase it in order to remove those limits.
Hot Virtual Keyboard 220.127.116.11
Free Virtual Serial Ports Emulator 0.938.4.846
Virtual/fake audio driver to enhance your physical sound card driver. It also adds an icon on your system tray to let you easily switch among virtual/physical audio cards on Windows7/XP.System Requirements:No special reqirement