You can propose contributions by sending pull requests through GitHub.
And of course you can report issues and browse the current ones.
GitHub Repositories
You can use the code from these repositories to experiment, test, build, create patches, issue pull requests, etc.
https://github.com/eclipse-dirigible/dirigible - Project repository hosted on GitHub.
https://github.com/eclipse-dirigible/dirigible-samples - Project repository hosted on GitHub.
GitHub Organization
You can use the code from these repositories to experiment, test, build, create patches, issue pull requests, etc.
eclipse-dirigible - Project repository hosted on GitHub.