An open-source web accessibility checker
Software Testing Tools & Resources
Largest collection of Resources and Tools for Software Testing Community
AChecker

Nogotofail
An on-path blackbox network traffic security testing tool
OpenClover
Most sophisticated code coverage tool for Java and Groovy.
Nbomber
Load test any system with a distributed cluster

lemoncheesecake
Python framework for end-to-end / QA testing
Wfuzz
Automate web applications security assessments

JsonT.run
online JSON formatting and processing tool with powerful functions

It Tools
Aggregated set of useful tools that every developer and tester may need once in a while.

beef
It is a penetration testing tool that focuses on the web browser.