Here is a list of GSP script tools that you might find useful. ENJOY!!
1. Centroid
2. Orthocenter
3. Circumcenter
4. Circumcircle
5. Incenter
6. Incircle
8. Orthocenter, Mid-segment triangle
10. Pedal Triangle
11. Center of Nine Point Circle
14. Equilateral Triangle, given a side
17. Triangle Centers (H, G, C, and I)
18. Triangle Centers with Euler Line
19. Divide a segment AB into parts that form a golden ratio