What resources could you share to other people who start the indie journey? #GarageDev

I can share this link for making some cool retro sound effects for your games:
https://www.bfxr.net/
https://www.bfxr.net/
There is also this cool retro style Game Boy Studio, for those who'd like to start right now ! https://www.gbstudio.dev/
Resources for Pixel Art: https://lospec.com/
An excellent tool for multiplayer testing/gaming: https://parsecgaming.com/
Blender for designing/animating your 3D models: https://www.blender.org/
Krita for sophisticated art: https://krita.org/en/
Trello, to keep your progress up to date : https://trello.com/en
A good video by Blue Boy @bluegoogames, for reaching a bigger audience on social media:
How to pitch a game project to a Publisher by Thomas Altenburger: https://twitter.com/mrhelmut/status/1289637778544877572