"MFS AddOn Collector" has a long and steep learning curve so please study it awhile before rating it - I am sure that after understanding what it can do & how it does it, you won't give it less then 5 stars. I am here to help everyone who wants to learn and have questions and there is also a 33 pages manual accessible from the manual tab inside the application. Also, suggestions for improvements are welcome.

“MFS Addon Collector” Automatically extracts, analyses, tests, tags, rates, updates and classifies your addon collection into airports, aircraft, sceneries, liveries, missions, flight plans, sound and aircraft enhancements, dividing them into meaningful categories you select, based on their types, features, location, developer, creation date, version, relevant tags, source archive, problematic issues etc, associating them in a number of useful ways, testing they don't prevent the simulator from loading, organize their disk folder hierarchy as you see fit, link the ones you select to the simulator (based on their specific title, category or your presets), automatically compose the shortest flight plans between their locations and dynamically tracks and visually logs (in a web page) your flights among them on one of 30 styles of maps, letting you also drag and drop your aircraft anywhere on face of the earth.

For easy accessibility this information gathered is presented either as a categories tag tree, a thumbnailed information blocks list, an editable, sortable, searchable, multi-filtered grid, a simple edit form and as pins, tacks, buttons and location symbols on a map.