freeCodeCamp
Description: freeCodeCamp is a free, open source coding platform that offers interactive coding challenges and projects to help people learn web development. It has a large community of developers and allows users to earn certifications.
Type: software
Pricing: Open Source
Online Shipping Calculator
Description: An online shipping calculator is a tool on an ecommerce website that allows customers to estimate shipping costs before checkout. It asks for details like shipment origin, destination, package weight and dimensions, then provides real-time rates from different shipping carriers.
Type: software