"Bootstrap is the most popular HTML, CSS, and JS framework for developing responsive, mobile first projects on the web."
jQuery
"jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library."
pixabay
"
Stunning free images & royalty free stock Over 2.4 million+ high quality stock images, videos and music shared by our talented community."
YAML
YAML validator: "Paste in your YAML and click "Go" - we'll tell you if it's valid or not, and give you a nice clean UTF-8 version of it. Optimized for Ruby."
Google Map
"How to add a simple Google map with a marker to a web page. It suits people with beginner or intermediate knowledge of HTML and CSS, and a little knowledge of JavaScript."
CSS to JavaScript
"Website what offers free online conversion of CSS to JavaScript Object."
2D Distance Calculator
"Calculate the distance between 2 points in 2 dimensional space."
JavaScript Hero
Learn JavaScript for free. Interactive lessons and exercises.
Java to C#
"This is a transpiler, which syntactically converts Java code to C# equivalent code. This is simplest and interactive code converter which is support java 8 packages."
Harvard Referencing
"A Harvard Referencing Generator is a tool that automatically generates formatted academic references in the Harvard style."
Have you been pwned?
"Check if your email or phone is in a data breach."
Your Online Choices
Companies listed are some of the providers who work with websites to collect and use information to provide interest-based advertising.
GitHubPages
"Websites for you and your projects. Hosted directly from your GitHub repository. Just edit, push, and your changes are live."
A Dependency Manager for PHP
"Composer is a tool for dependency management in PHP. It allows you to declare the libraries your project depends on and it will manage them for you."
Free Apache distribution
"XAMPP is a completely free, easy to install Apache distribution containing MariaDB, PHP, and Perl."
Free Form solution
The form solution for any developer. Use your own frontend code. Submit to our API. We'll handle the rest.
If you have more free tool tips for your fellow Developers, contact me and I can add them here.