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 [![Coverage Status](https://coveralls.io/repos/github/JuliaDiff/DiffTests.jl/badge.svg?branch=master)](https://coveralls.io/github/JuliaDiff/DiffTests.jl?branch=master)
 
+[![ColPrac: Contributor's Guide on Collaborative Practices for Community Packages](https://img.shields.io/badge/ColPrac-Contributor's%20Guide-blueviolet)](https://github.com/SciML/ColPrac)
+
 DiffTests contains a common suite of test functions for stressing the robustness of differentiation tools.