Back to agenda Crust, the Innovative Open Source Unified Work Platform Tue 21 May | 16:40 - 16:55 Co-organized with: Lenny Horstink, the CMO of Crust, will give a short demo of Crust CRM (a highly flexible and open source Salesforce alternative), Crust Enterprise Messaging (a secure, high performance, open source Slack alternative) and Crust Unify (which manages the Crust user experience).