Mike Kasberg

is a Software Developer at Zen Planner where he develops web applications with Java, Spring Boot, SQL, and javascript. He is also an experienced Android developer.


20 Nov 2018 · KeePass vs Bitwarden: A Comparison of Free Password Managers

Thoughts & Ideas

It’s been nearly 2 years since I originally wrote about How I Manage Passwords with KeePass. That blog entry was inspired by Troy Hunt’s post, “The only secure password is one you can’t remember”. Using KeePass has been a wonderful…

07 Oct 2018 · 5 Reasons to Contribute to Open Source

Software Development

It’s October, and Hacktoberfest is in full swing! It’s a great time to contribute to open source. I love open source software and the open source community, and I think contributing to open source software has lots of benefits for…

19 Aug 2018 · Make Your Source Code Developer-Friendly

Software Development

Is your source code developer-friendly? Developers talk about user-friendliness of applications all the time, but don’t often think about whether their own source code is user-friendly. Code tends to rot over time. The documentation gets out of date, configuration files…


ConfessIt Icon


ConfessIt is an app for Catholics. It has 4.5 stars in the Google Play App Store after more than 550 reviews and 28,000 downloads.

Count the Dots Icon

Count the Dots

Count the Dots is a surprisingly challenging and addictive game based on Subitizing.


I'm a Software Developer at Zen Planner where develop web applications using Java, Spring Boot, SQL, and Javascript. I'm also an experienced Android developer. In my increasingly scarce free time, I develop websites and Android apps. My most recent app is Count the Dots, a game that's based on subitizing. I also maintain ConfessIt, an app for Catholics, with a 4.5 star rating after more than 550 reviews and 28,000 downloads.

I graduated Summa Cum Laude from the Colorado School of Mines with a degree in computational and applied mathematics; I subsequently completed a Master's of Education at the University of Denver as part of the Denver Teacher Residency. After a short stint of full-time teaching, I returned to the field of software engineering at SpotX, where I worked for 3 years before joining Zen Planner.