Alex Szatkowski
The following link will take you directly to a set of GSP Script tools.
The tools available are:
1. Centroid
2. Orthocenter
3. Circumcenter
4. Circumcircle
5. Incenter
6. Incircle
7. Median Triangle
8.Orthocenter and mid-segment Triangle
9. Orthic Triangle
10. Pedal Triangle
11. Center of 9-point Circle
12. Trisection of a line
13. Square
14. Equilateral Triangle
15. Isosceles Triangle
16. Triangle Centers
17. Triangle centers and Euler Line
18. Golden Ratio
19. Pentagon given radius
20. Pentagon given side
21. Hexagon given side
22. Octagon given side