IBM Content Navigator

https://www.ibm.com/docs/en/content-navigator

IBM Content Navigator is a web-based client and application framework that provides a unified, customizable interface for accessing and managing documents across multiple Enterprise Content Management (ECM) systems, including FileNet P8, Content Manager, and CMIS systems. It streamlines document lifecycle tasks - searching, editing, viewing, and storing—through a browser-based interface, enhancing productivity.