This is ACDSee’s strongest differentiator. Unlike Lightroom, which forces a catalog, ACDSee can work as a catalog-based DAM or as a folder-based browser (similar to Photo Mechanic).
This integration is centered around the "Manage," "View," "Develop," and "Edit" modes. In the 2021 iteration, the distinction between these modes became more fluid. The software allows users to perform non-destructive RAW adjustments in the Develop mode and then seamlessly transition to the Edit mode for pixel-level manipulation, all while maintaining a stable, 64-bit architecture. This structure appeals to photographers who value efficiency and dislike the fragmentation of modern subscription suites. acdsee photo studio ultimate 2021