Here's a list of resources that might help you in making your games!
Visual Novel Resources:
- Ren'Py - free visual novel engine
- Twine - free text-based game engine
- VNdev Wiki
- tiny tools - collection of various game dev tools
- Ren'Edit Add-On - Ren'Py script editing & feedback tol
- Ren'Py Accessibility Add-On
- Visual Novel Conference Talks
- Vimi's Visual Novel Design
Assets:
- Lemmasoft Creative Commons Forum
- Uncle Mugen backgrounds
- itch.io visual novel resources
- Eric Matyas music & SFX
- Vita-chi SFX & graphics
- Google Fonts - free fonts
- Free Music Archive
- Canva - browser & desktop graphic design tool
- Unsplash - free photos