Auto Screen Capture is a small and portable screen capture utility for gamers, designers, and testers.
The application enables you to automatically take screenshots at a chosen interval. For example, you may want to capture the progress of playing through a game's level or track your progress on a long project.
All the documentation you need is found in the Help section of the application.
This application comes under version 3 of the GNU General Public License (GPLv3). You can read the license in full at https://www.gnu.org/licenses/gpl-3.0.en.html
https://sourceforge.net/projects/autoscreen/
This is where to download the latest version of the autoscreen.exe binary and create support tickets for any bugs encountered with the application.
https://github.com/gavinkendall/autoscreen
This is where to view the source code, fork from the project, and submit pull requests.