GlobalSign - Free Certificate for Open Source Projects
GlobalSign is one of the Internet’s original trust service providers (technically known as Certificate Authorities). They have issued millions of trusted Digital Certificates to people, servers and mobile devices for Public Key Infrastructure (PKI) enabled solutions and applications. They are now giving certificates for free for open source projects.
Certificates help to keep security and privacy. In case of open source projects, it will certainly help to sign the code, Communicate with your developers, Unit test your projects and lot more.