Minecraft – MC-Launcher

NEWEST] Minecraft Tweaker 1.13.2_18.2 Lite file - Mod DB

Minecraft – MC-Launcher

How To Use The Old Minecraft Launcher! *UPDATED* (MAY 2017) (EASY)

Install Fabric - MultiMC (macOS) [Fabric Wiki]

Minecraft (Linux) download

GitHub - Alex2772/hackers-mc-launcher: Free and open source Minecraft and other games launcher

New Mc Launcher SpigotMC - High Performance Minecraft

Install

So basically I can't play MC without an internet connection in the new launcher : r/Minecraft

Custom Minecraft Launcher - Game Launcher Creator