https://annieneugebauer.com/the-organized-writer-2/ Annie has some great plotting sheets that I use daily.
https://writingcooperative.com/16-incredibly-useful-resources-for-aspiring-authors-730012a4d91c This page has some great suggestions for writing software.
http://www.epiguide.com/ep101/writing/charchart.html A character creation chart
All you need is a blank sheet of paper, a pen and an idea. Don’t think about it too much, just write.