Software Developed by Johannes Wallroth

  • Play the old classic arcade game in this new version, with six worlds and twelve levels, beautiful graphics and sound effects, bonus items, offscreen tunnels, locked rooms and highscore!

    • Freeware (Free)
    • 757 Kb
    • WinXP, Win2003, Win2000, Win Vista
  • This program is designed to meet the requirements of the most demanding users, in a private, professional and even scientific environment. At the same time it is very easy and intuitively to operate and you will probably not need this help file at ...

    • Shareware ($29.00)
    • 1.63 Mb
    • Windows Vista, XP, 2000, 98, Me
  • Ten independent Timers in one program, to count down to zero or up to max. 100 hours, with 1 second accuracy. Timers can be viewed one by one or all at once and can resume on a later computer session, all settings are remembered from the previous ...

    • Freeware (Free)
    • 122 Kb
    • Windows XP, 2000, 98, Me
  • A special timer program, developed for speed reading training. Counts up or down, with customizable metronome tick (emphasized or not, variable speed), plus extra sound every x seconds (when you count up) or x seconds before timer runs off, and when ...

    • Freeware (Free)
    • 233 Kb
    • Windows Vista, 2003, XP, 2000, 98, Me, NT, CE
  • Jumbo Timer is a powerful desktop timer program.

    • Shareware ($)
    • 1.29 Mb
    • WinXP, Win2003, Win2000, Win Vista, Windows 7
  • The program is designed to give you a quick test of your ears capabilities to hear all frequencies of the audible spectrum, separately for each ear. You can measure with good accuracy up to which frequency you can hear and compare your result with ...

    • Freeware (Free)
    • 294 Kb
    • Windows XP, 2000, 98, Me
  • This program is designed to scroll any number of text items in a draggable and resizable window on your desktop, in a horizontal or vertical direction. You can configure the font, text color (for every message separately), background color and speed.

    • Freeware (Free)
    • 326 Kb
    • Windows Vista, XP, 2000
  • You need concentration and a good short-term memory to play it.

    • Freeware (Free)
    • 204 Kb
    • WinXP, Win2003, Win2000, Win Vista
  • A very nice card game I used to play with my mom and my sister, when I was a kid.

    • Freeware (Free)
    • 163 Kb
    • WinXP, Win2003, Win2000, Win Vista
  • A nice, addictive game in the Color Tetris/Dr.

    • Freeware (Free)
    • 112 Kb
    • WinXP, Win2003, Win2000, Win Vista
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