Core – Design File Template (the primer with resource to read)
By Anatoly Verbitsky
https://www.figma.com/community/file/1105770165721927425

Source of truth Design Deck
By Femke van Schnoohoven
https://www.figma.com/community/file/893498913793103081

Katie – Design Starter Kit V1.2
By Mehdi Rezvan Pour
https://www.figma.com/community/file/1109103628894532875

File Start template
By Luis Ouriach
https://www.figma.com/community/file/1053712920182520318

Design File Template
By Saroj Shahi
https://www.figma.com/community/file/882605902823771753

Figma Project Template
By Tobias Negele
https://www.figma.com/community/file/872568832985837673

Design Project Template
By Dropbox
https://www.figma.com/community/file/855188719022244530

Design Annotations & File Template Setup 2.0 (Edit 6/27/2022)
By Zeta
https://www.figma.com/community/file/1119570359580533212

Designer Project File Template
By Kieran
https://www.figma.com/community/file/871267241839719507

Designers Project Styleguide
By Kieran
https://www.figma.com/community/file/813355064454280492

Empty Project Template – with pages and text/color styles
https://www.figma.com/community/file/977573811531770234

Project Proposal Template (once you got the gist of organization and ready to freelance there’s a starter proposal template)
By Prizigner
https://www.figma.com/community/file/889958280840907808

Project Proposal
By Soren Iverson
https://www.figma.com/community/file/892451287344842927

Page Index
By Ankur Chauhan
https://www.figma.com/community/file/832932662391574579

Simple Project Proposal Template by ORWHAT
By Richard
https://www.figma.com/community/file/882638886781921900

Project Index Template
By Shopify and Komal Javed
https://www.figma.com/community/file/938084055059390892

Figma Page Generator plugins

Project Scaffold
By Tushar Debnath
https://www.figma.com/community/plugin/747372158567878238/Project-Scaffold

SM Scaffold
By Mark Uraine and Will Symons
https://www.figma.com/community/plugin/961268319224363191/SM-Scaffold

Product Planner (really cool templates like persona and more)
By Hexorial Studio and others
https://www.figma.com/community/plugin/766652281834442616/Product-Planner

//8pt Grid
By Isaac Sheptovitsky
https://www.figma.com/community/file/985142987551055324
Article:
The Comprehensive 8pt Grid Guide https://medium.com/swlh/the-comprehensive-8pt-grid-guide-aa16ff402179

Grids for frames that can help with laying out content
Presentation Grid System
By Prof Fig
https://www.figma.com/community/file/831257037874341872

//General Figma plugins

Discord plugin Directory
By Discord
https://www.figma.com/community/file/921554561184266883