Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
There are all kinds of plugin categories: Input, Output, Visualization, DSP/Effect, General Purpose, Media Library and Portables. That means you can go nuts in discovering how a single plugin can change your life. You can read up on the taxonomy of a plugin here