You can find your course history and progress at any time by checking out our Report Card feature.
To access, simply login and click on the dropdown arrow next to your avatar in the top right. Every user has a Report Card page for their account.
Here's an example of what a Code School Report Card looks like. It will list all courses attempted and completed, as well as badge progress and a graphical progress report. This is set up so that you can print to PDF, which would be something similar to a certificate.