Here's the old X3 Reunion scripts and plugins available. They are packaged in the RAR format, use WinRar or free tools like 7-Zip to open them.

Pirate Guild 2 - Download
X3R version of Pirate Guild

Yaki Armada - Download
Improved AI for the Yaki Faction. Includes a guild system, several missions and custom comms with yaki ships.

Anarkis Carrier Commands - Download
X3R version of ADS

Group Targeting System - Download
This script adds 3 targeting related shortcuts to the game for improved dogfighting

Kha'ak Capture Plugin - Download
This small plugin allows the player to capture Kha'ak fighters.

Crystal Free SPP - Download
Allows to remove the use of crystals in your SPP, for a price.

Advanced Defense System (LT deployement) - Download
Lasertower deployment  script