There is a solution to every problem. But most often it is the problem you are not aware of. Let my solutions inspire you.

These applications are taken from real life. Most of them have once solved a problem for me, or still do. Some are also useful for many others. All are available for free.

You can filter the list by tags or sort it with the following controls. Particularly interesting items are highlighted in yellow.

.net c++ console db dev files linux media network php sec social src system web windows ×

Automatic digital camera photo copier tool. It automates the task to copy, rename and convert image files from the camera’s memory card to the computer.

Interactive Farbeimer.netdevmediawindows★★★★★
An interactive realistic colour mixer for webdesigners, with a diverse display of colours in the RGB and HSL colour space.

.NET Revision Task for MSBuild.netdevfilessrc★★★★
Injects the current VCS revision of a working directory in a custom format into a .NET assembly build or just displays it.

Mini Web Compiler.netdevsrcwebwindows★★★★
Compiles JavaScript code and SCSS stylesheets for the web, in a simple and clean GUI for Windows.

.NET Revision Tool.netconsoledevfilessrcwindows★★★★
Injects the current VCS revision of a working directory in a custom format into a .NET assembly build or just displays it.

Hyper-V Switch.netdevsrcsystemwindows★★★★
A simple GUI to enable or disable Hyper-V without uninstallation, allowing the use of other virtualisation solutions.

Easy PDF signing.netfilessecsrcwindows★★★★
Easy digital signing of PDF documents without rebuilding them. Allows multiple signing.

ARLog: Amateur Radio Logbook.netdbwindows★★★
Amateur Radio Log for managing of QSOs and QSL cards. Straightforward usage through realtime filter views and direct editing. Including data analysis functions.

Executes single commands at a Windows command prompt with elevated privileges after a UAC confirmation, without starting the entire command prompt as administrator in advance.

SeeUnsharp .NET Obfuscator.netdevsec★★★
Protects the source code of .NET assemblies from decompilers and curious eyes. Renames types and members or seemingly removes all identifiers, hides and encodes all strings, redirects function calls and supports error analysis using FieldLog.

Converts files between different character encodings (ANSI, Unicode, UTF-8, ...) and line endings (Windows/Unix).

A Mono.Cecil object model explorer that shows the object hierarchy that Cecil reads from a CIL (.NET) assembly.

NetPorter: TCP port forwarder.netnetworksrcwindows★★
Simple port forwarder for multiple TCP/IP connections in situations where an IP router would be too bulky.

Converts a FreeMind XML document to a readable text document so that changes can easily be compared. Including pre-packaged Beyond Compare configuration.

Lists all data formats that are available in a drag&drop operation or the clipboard and shows their data contents. This lets you quickly “measure” the drag&drop behaviour of applications if in doubt.

Allows for free remapping of keys on Windows, separated for the entire system or the logged in user, persisting a computer restart.

Displays images on different paper sizes and provides information about aspect ratio, resolution and image quality, to quickly and easily try what printing quality a photo has on a certain paper format.

Telephone Ringtone Simulator.netmediasrcwindows
Lets your telephone ring even when nobody is calling. Freely selectable ring tones and call intervals.


18 items, ca. 24 090 lines of code, estimated development costs: 48 000 €
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