RobertaME

296 new laser effects with alphabet, numbers and special characters from rct-3.org (now Coaster-Games.org)

This set includes many terrain conforming path covers as well as edges, railings and terrain covers perfect for any custom path work in your next park.
Set goes in Style\Themed\ just as normal scenery.

Loubauder's Disney Jungle Cruise CTR. Requires Revolutionary Rides Invisible Track.
The boats are not powered and thus require you to use block break sections to push the boat along.

Disney Tram by Ghostscout.
This CTR-Ride requires RCT3 WITH BOTH ADDONS Soaked/Wild! The installation without Addons will cause RCT3 to crash.
(Note: the shown station is not included)

Galaxy Flyer CFR by Samplerocker. Can be found under Gentle Rides in the RCT build menu.
Installs to Style\Custom\ folder. (if you don't have a Custom folder under Style, you must create one)
This CFR only works in RCT3 WITH BOTH ADDONS Soaked/Wild! Installation without Add Ons will cause RCT3 to crash.
This ride uses about 2,500 faces and 6 textures in the sizes 4x4 and 64x64 pixels.

Fort Wilderness Railroad by Ghostscout.
This CTR-Ride requires RCT3 WITH BOTH ADDONS Soaked/Wild! The installation without Addons will cause RCT3 to crash.

Walt Disney World Railroad Walter E Disney by Ghostscout.
This CTR-Ride requires RCT3 WITH BOTH ADDONS Soaked/Wild! The installation without Addons will cause RCT3 to crash.

NightHawk's Invisible Path. (alternative to Belgabor's Invisible Doodads)
Place the "Arknot" folder in your RCT3 "Paths" folder.
Note: As can be seen in the screenshot, these invisible paths do not let some scenery or Peeps be seen underneath them. With proper placement this can be used to hide objects you don't want to be seen.

ImagineerJohn's Coaster Kit. Contains 16 Ride Events, including Waterfalls, animated brake sections, timed lowering loading platforms, SplashDown Sprays, and more.
 

Disney's California Adventure - World of Color Items by AzoRctMan. Includes Laser, water jet, and mortar.