LibraOffice, Google Office and OpenOffice are good free options. Google has good presets that I like using, like the sheets project schedule for my upload schedule.
NotebookLM by Google is mainly used as a studytool, but I like using it to organize my manuscript notes with timelines, summary, table of contents, and more. It generates a fake podcast about your notes as well if you're more of an audio learner.
NaNoWriMo (November) to kick your but in gear to just focus on writing as much as you can in a month. They have a lot of resources as well.
There are these sites to help you organize your manuscript:
- LivingWriter
- Scrivener
- Novlr
Grammer/SpellCheck/Puncuation and writing improvement:
- Grammarly
- WordTune
- ProWritingAid
- Reverso
Not quite free, but to create a bookcover on a budget:
- Canva
- PlaceIt