SPX Studio allows you to enhance and annotate your screenshots by adding text, balloons, notes and transparent shapes to your images. The program cannot take any screen captures, but allows you to import or paste your existing screenshots, and then add the enhancements to improve them. You can save the finished product as a project file or export to GIF, BMP, PNG or JPG format.

The license of this software is Free Trial Software, the price is $13.00, you can free download and get a free trial.