Here I would like to share a few links of inspirations, tutorials, videos, and tools I used including software and mobile apps. I hope they get useful to you at some point. Please leave me a comment if you have other suggestions or links you think I should add to the lists below. Thank you!

Introduction:

How To Shoot The Night Sky?
How to Shoot Star Trails Photography?
About Foreground and Post-Processing
Making Time Lapse

Tools:
Light Pollution Map
Dark Sky Finder
Clear Sky Chart

Mobile apps:
The Photographers Ephemeris
Photopills

Star Trails Stacker:
Image Stacker (PC)
Deep Sky Stacker (PC)
StarStaX (Mac)

Milky Way Finder:
Star Chart
Stellarium
Photopills

Photography Tutorials:

How To Shoot The Milky Way by Aaron J. Groen
Photo Tutorial — Photograph The Night Sky by Dave Morrow
My ‘450’ Rule to Stop Star Trailing by Royce Bair
Landscape Astrophotography Tutorial – First Night Out by Ben Canales
Boosting the Milkyway: Lightroom Tutorial by Michael Shainblum
Editing the Milky Way Camera RAW 8.0 by Jason Weingart
How To Shoot Truly Contagious Milky Way Pictures by Antoni Cladera has an great article on Photopills

Time Lapse Tutorials:

The Basics of Time Lapse Photography with Vincent Laforet: Episode 1
The Basics of Time Lapse Photography with Vincent Laforet: Episode 2
The Basics of Time Lapse Photography with Vincent Laforet: Episode 3
The Basics of Time Lapse Photography with Vincent Laforet: Episode 4
How to Shoot Day to Night Time-lapses by Preston Kanak