Discovery mod is a full-scale expansion pack for Freelancer focused on continuing the story started in the vanilla campaign. The mod is used by some of the busiest multiplayer Freelancer servers and has multiplayer features including player owned (and built) bases, jumpdrives, cloaking devices and equipment manufacturing.
I am playing on that server for nearly 5 years. The people there are very helpful. The server population id good.. there are always a good number of player present in the mp gaming.
I like this mod. Yes it will be better if we have single player campaign expansion but I like it as it is