On the rebound from an attempt to implement GentleSource Guestbook Script, which disappointed me, I tried BellaBook and was very pleased. It is flexible, easy to implement and works as advertised. I had no problems with it.
Sponsoring your listing gives significantly better visibility for your listing in Hot Scripts. Typically sponsored listing receives considerably more clicks than free listings. We strongly recommend you sponsor your listings. Sponsoring one listing now costs only USD 29 per month.
If you want to make listing to your favorites, then you need to login into hostscripts. Click on login and proceed.