3Cols vs Pingrr
A side-by-side look at 3Cols and Pingrr. 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.
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Pingrr
Online Services
Pingrr is an uptime monitoring service that tracks website availability and performance. It pings websites regularly to check if they are up or down and provides alerts if there are any issues.
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