itch.io

I've compiled some useful tools & resources!

Video tools: 

Handbrake |  https://handbrake.fr/  easily + quickly compress and resize video as needed. 

VLC | VLC can convert video filetypes. for example for godot you need .ogv files-- VLC can convert mp4 or whatever you have recorded to the filetype you need.

OpenShot | free & open source video editor

https://www.openshot.org/

For recording GIFs:

Gifcam | simple drag-and-drop screen GIF recorder

https://gifcam.en.softonic.com/

Assets:

Kenney Assets | Tons of free assets, 2D, 3D, etc

https://www.kenney.nl/assets

OpenGameArt.org | searchable place where people upload game assets

https://opengameart.org/

bfxr (Retro Sound Effect Generator) | super easy and quick way to generate 8-bit sounding effects. 

https://www.bfxr.net/

NYPL Public domain collection

https://www.nypl.org/research/collections/digital-collections/public-domain

stock footage, some free & public domain stuff:

https://www.pexels.com/

Quaternius - free 3D assets

https://quaternius.com/

itch.io is also a great source for assets, fonts etc

Godot-specific: 

For chroma-keying: 

https://godotengine.org/asset-library/asset/2013

More shaders for godot:

https://godotshaders.com/

lots of fun shaders you can play with here