Task Conqueror is an open source application. That means that you can peruse the code for purposes of learning or even to add a new feature of your own. It is a WPF application written using C# and .NET Framework 4.0. To access the source code, visit the repository at bitbucket.
Task Conqueror is distributed under the Apache License. The details of this license can be found below.
Copyright 2012 Scott Harner
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this software except in compliance with the License.
You may obtain a copy of the License at
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.