Explore the importance of projects and packages in APL development through this 24-minute conference talk from Dyalog '22. Delve into Morten Kromberg's insights on how the lack of widely-used libraries has hindered APL's growth. Discover the Tatin registry, its content, and installation process. Learn how to use Tatin in production systems and understand the necessity of project managers when working with packages. Examine Cider for project creation and dependency materialization, and compare it with alternative project managers like Acre and Dado. Analyze the advantages and disadvantages of these tools, and gain insight into the current status and future development plans for Tatin, Cider, and the overall APL ecosystem.