1) If you have a GitHub account, go to https://github.com/jonelo/jacksum and give Jacksum a star. You find the star in the upper right corner of the GitHub project page.
2) Recommend this software to your friends
3) Find and report bugs and feature requests. Please go to https://github.com/jonelo/jacksum/issues and click on "New Issue"
4) If you are a developer, you may also want to fork the repo on GitHub. Go to https://github.com/jonelo/jacksum and click on "Fork".
5.) If you want to give me a tip, my money box is here. Thank you :-)
5) Follow the instructions of all four steps above. If you still have a question, drop me a private email. I read all emails, but due to the amount of emails I get, I only reply if you write explicitly that you want to get a reply: "I would like to get a reply on this email."
6) Read the section Support Jacksum above