Are you a relying party looking to integrate with the e-Signet? Feel free to Sign Up here. This will allow you access to our sandbox to test and integrate.
Collab is our development integration environment which can be used by our partners and contributors to build on top of the platform or integrate with the QA certified version of the latest platform code.
QA tested sprint deliverables of a current release are deployed in this environment.
Synergy is our environment where the latest released version of the platform (currently, v220.127.116.11) is deployed for partners to integrate and test their solutions.