Direct link: <a href="https://azure.microsoft.com/en-us/blog/microsoft-open-sources-trill-to-deliver-insights-on-a-trillion-events-a-day/" rel="nofollow">https://azure.microsoft.com/en-us/blog/microsoft-open-source...</a>
> To get your hands on Trill, Microsoft is asking people to reach out via email to the company using asktrill@microsoft.com. We expect to see its GitHub repository spring up in the next few months.<p>So it's not open sourced yet but it appears private companies are already using Trill even though it's an internal Microsoft project