* __Contact: Emma Batson, [emmabat@mit.edu](mailto:emmabat@mit.edu)__
+* Courseroad
+ * Description: a Four-Year Planner for the MIT Undergraduate Community.
+
+ * __Contact: Nate Foss, [npfoss@mit.edu](npfoss@mit.edu)__
+
+* Mattermost
+ * Description: SIPB's Mattermost instance for communication. Mattermost is an open source, private cloud slack alternative hosted on XVM.
+
+ * __Contact: Eric Jepsen, [efjepsen@mit.edu](efjepsen@mit.edu)__
+
* CertAssist
* Description: Download and install your MIT personal certificate using the [CertAssist](https://certassist.mit.edu/) website, even if your browser is not supported by ca.mit.edu.