The WAVE Chrome, Firefox, and Edge extensions allows you to evaluate web content for accessibility issues directly within your browser.

aDesigner is a disability simulator that helps designers ensure that their content and applications are accessible and usable by the visually impaired.

Evaluate web accessibility within your browser. WAVE is a web accessibility evaluation tool developed by WebAIM.org.

Robust, efficient and accurate accessibility testing tools for all Built on the world’s most popular accessibility testing library, axe-core. Deque’s suite of axe tools offers full coverage for your testing and compliance needs.

A tool for making custom branded color palettes for web and UI design that are built from the ground up to meet WCAG contrast accessibility guidelines

A website for getting different information for colors (different formats, complementary color) , especial a color blindness simulator.