1. d4 Openings for Beginners (White)

The most popular alternative to 1.e4 is 1.d4. One of the main openings after d4 is the Queen's Gambit, which goes 1.d4 d5 2.c4 e6 (or c6). This will lead to the Queen's Gambit declined or the Slav defense.

Open game – A Chess Life

1. d4 Chess Openings - The Chess Website

A Practical White Repertoire with 1. d4

Four Knight's Game (How To Play It, Attack It, And Counter It)

Master the Queen's Gambit: A Comprehensive Guide - Remote Chess Academy

8 Chess Openings You Must Learn if You Care About Improving, by Quinn Bunting, Getting Into Chess

Learn the Best Chess Openings for Black - 365Chess .com

16 Best Chess Openings for White

Chess Openings - Best Of Chess