Christian Zuckschwerdt's blog

Apps, Themes, Tutorials — free and open source

MP3 Scan + Repair

The audio repair tool to check and fix all your MP3 files.

Check and repair your MP3 audio files.

Some of your audio players might be picky or play choppy sound. Scan and fix all your MP3 files for best performance! And it's free, too!

MP3 Scan + Repair

Mouse Acceleration for OS X

Set up extended speed parameters for your mouse.

Extended mouse settings

The Mouse Acceleration PrefPane is a GUI and startup item to Richard Bentley's MouseFix.

You can set up extended speed parameters and acceleration curves for your mouse.

  • Increase mouse pointer precision
  • Speed up your mouse movement
  • Set mouse acceleration parameters
  • Full control with just two simple knobs

Mouse Acceleration for OS X

Do'SSi Zo'la Linux game

#Patch #Linux #Game #dossizola

Do’SSi Zo’la is a board game under GPL licence, using SDL. You can play with two players or you can play on your own against the computer.

SDR Nyquist effect plugin to AM decode IQ signals


A simple Nyquist effect plugin to convert I/Q (in-phase and quadrature) signals to Amplitude/Phase (AM decode radio signals). Analyse and decode On-Off-Keying (OOK) / Amplitude-Shift-Keying (ASK) signals recorded by e.g. RTL-SDR software with Audacity.

Dead Pixel Tester

No need to download some shady app just to test your screens pixels. Free, open, portable, fast, universally available! Bring out your dead … pixels.

GKrellM SNMP Plugin

#Plugin #GKrellM #SNMP #gkrellm_snmp

Your great monitor stack GKrellM is now able to read SNMP agents.

GKrellM Timers Plugin

#Plugin #GKrellM #gkrellm_timers

A versatile timer plugin for GKrellM.

Hide and Slide Drupal content with jQuery

#Drupal #snippet

The Drupal core and many modules use the jQuery package to create nice interactive effects. But it’s also a handy and easy to use tool for designers and authors!

Here is a quick example to show/hide a div with a nice slide effect, triggered from an adjoining element. If you know your CSS you can do all sort of tricks with this.

OpenOBEX Apidocs

The OpenOBEX API docs are available on the OpenOBEX wiki now.

Rotating Folder Backup Script

#Script #Backup

How do you create folder backup archives and limit the size by rotating old ones out? A common task and there are plenty of solutions. This is more or less the poor man’s solution I’m running from cron.

Single level menu block for Drupal

#Drupal #PHP

Drupal’s menu system is really flexible and the menu blocks are versatile. Also there are a couple of 3rd party modules to display menus in all kinds of different ways.

Here is a quick PHP snippet to display a single level menu from Drupal…

About the Author

Hi there! I'm Christian Zuckschwerdt a freelance software designer from Germany. On this blog I'd like to share some free and open source software for GNU/Linux and Apple Mac OS X.
There are also some themes and tricks for the Drupal CMS. And then the occasional hardware or gadget hack. It's all free and mostly licensed under the GPL or CC.
Write a comment or send me a mail. I love to hear from you!

About FOSS

Do you know how much free and open source software is involved in creating and delivering some basic web pages?

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