Erik Kieckhafer is a software engineer based in California.

Public projects are published under the name Code & Sons.


Logo CDN

A collection of current and historical MLB, MLS, NBA, NFL, and NHL logos.

Playoff Magic

Magic Numbers and playoff clinching & elimination scenarios for MLB, MLS, NBA, NFL, and NHL teams, as well as Magic Numbers and league clinching & relegation scenarios for England’s Premier League, Germany’s Bundesliga, Italy’s Serie A, Scotland’s Premiership, and Spain’s La Liga.


Track your visits to current and historical MLB, NBA, NFL, and NHL stadiums.

The Title Belt

Track the mythical NFL Title Belt.

Chrome Plugins


Count and organize your Google Chrome tabs and windows. Inspired by, originally forked from, and still using 50% of i-a-n’s tabnarok code.