You can use the code from these repositories to experiment, test, build, create patches, issue pull requests, etc.
https://github.com/eclipse/orion.electron - Project repository hosted on GitHub.
https://github.com/eclipse/orion.server.node - Project repository hosted on GitHub.
https://github.com/eclipse/orion.server - Project repository hosted on GitHub.
https://github.com/eclipse/orion.client - Project repository hosted on GitHub.
https://github.com/eclipse/orion - Project repository hosted on GitHub.