Terraingle: Databrain's terrain plugin by Databrain – Easily create triangle terrain with a wide array of options.

3D Text Maker by KinqAndi – Creates 3D text, good for quickly making large signs on buildings etc.

Use with caution on UGC items, ask for permission by UGC creators first.

Catalog Import Tool by SteadyPro – Easily import catalog items into a place, as long as the ID for it is provided.

Load Catalog Items by ARTFVL – Easily import catalog items into a place, as long as the ID for it is provided.

Intro Creator by ARTFVL – Easily create game intros.

Building Tools by F3X by GigsD4X – Can be used in conjunction with the vanilla Roblox Studio tools.

Studio Build Suite by Fractality – Can be used in conjunction with the vanilla Roblox Studio tools.

Archimedes Two by Scriptos – Easily create arches, curves, etc.

Realism Mod by GizmoTjaz – Easily add Lighting modifiers to enhance a place's atmosphere.

Wedge Edge by Aurarus – Easily create wedges on parts, to add more depth.

Can also be used to simulate a blizzard if placed sideways and the beam properties are edited to move faster

Waterfall Generator by woot3 – Easily create waterfalls in a place.

Light Editor by woot3 – Easily edit all Lights in a place.

Stravant - Model Reflect by stravant – 'Easily reflect models over a chosen plane'.

Stravant - MaterialFlip by stravant – Easily flip the orientation of materials on parts without having to rotate the part.

Stravant - ResizeAlign by stravant – User-friendly way to align objects by resizing them.

Stravant - GapFill & Extrude by stravant – Great for quickly filling in awkward gaps in builds, use with caution as it may create excess parts occasionally.

Celestial Body Dragger by CloneTrooper1019 – Great for quickly changing the angle/position of the sun or moon.

oozledraw toolbar: draw curve/rope by Oozlebachr – User-friendly way to quickly make curves and ropes.

Pro, 25 Robux to purchase, but comes with more features and updates.

Lite, free to download but support is deprecated.

'Load Character' by AlreadyPro – Great for quick loading of people's avatars.

Roblox studios download