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The https://www.freeCodeCamp.org open source codebase and curriculum. Learn to code for free together with millions of people.
Strongloop Node.js Certification Exam work out
Web application to create indexes for GIAC certification examinations.
C-CDA 2.1 Samples from ONC Certification of Health Information Technologies
Service public d'évaluation et de certification des compétences numériques pour tous.
A sample lab test environment to help in preparation of CKA certification.