Free information tools or service for developers
A collection of free information app, tools or service for developers
![Logo thumbnail for BuiltWith](https://d28rh9vvmrd65v.cloudfront.net/img/apple-touch-icon.png)
BuiltWith
Web technology information profiler tool. Find out what a website is built with.
Tags: profiling, information, research
![Logo thumbnail for Can I use](https://caniuse.com/img/favicon-128.png)
Can I use
Browser support tables for modern web technologies
Tags: information
![Logo thumbnail for Similarweb](https://static.intercomassets.com/avatars/762063/square_128/custom_avatar-1666600534.png)
Similarweb
Similarweb is the ultimate competitive digital intelligence tool for a complete 360-degree view of your industry, competitors, and customers.
Tags: profiling, information, research
Free Offer:
1 user
Limited access to historical data
![Logo thumbnail for Wappalyzer](https://www.wappalyzer.com/apple-touch-icon.png)
Wappalyzer
Find out the technology stack of any website. Create lists of websites and contacts by the technologies they use.
Tags: profiling, information, research
Free Offer:
1 User
50 credits/mo