3Cols vs Codingbat
A side-by-side look at 3Cols and Codingbat. For an in-depth review of either product, follow the links below.
3Cols
Productivity
3Cols is a free and open-source browser extension for Google Chrome that allows you to view three columns on many websites. It helps increase productivity when researching, reading articles, checking emails, online shopping, and more.
organizationproductivitybrowser-extension
Codingbat
Education & Reference
Codingbat is a free online code practice tool to help students learn Java or Python. It provides coding problems to solve, allows testing code solutions, and gives feedback.
javapythoncoding-practiceeducation
Related Comparisons
freeCodeCamp
SitePoint
Coderbyte
Progate
Cacher
Duomly