Key Collector is designed for collecting, analysing and organizing keywords for your websites. It can help you to get and choose the best ideas for your campaigns without making a special effort.
1-year subscription costs only $29. For that price you get a license for 1 PC (you can't use it for several computers at the same time, but it's allowed to update your license for another PC up to 2 times in a month in case computer's configuration changes).
The subscription also provides an access to the ticket system, where you can ask questions, get technical support and request new features.