Authentic Gameplay Modification for ARMA 3 - ModDB

The Authentic Gameplay Modification (AGM) aims to provide the most authentic gameplay possible in Arma 3, without sacrificing playability. It is completely open-source and modular.

TMR Modular Realism file - ARMA 3 - ModDB

Mod DB - Wikipedia

Bundeswehr Mod for ARMA 3 - ModDB

Thanks to Arma 3 Aegis mod, we could have some sort of Horizon

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Arma 3 Mod Makes The Game Even More Realistic

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28+ Quality of Life Mods for Arma 3 You Have to Check Out

All Arma 3 WW2 Mods Compilation List - ARMA 3 - ADDONS & MODS

Cold War Units addon - ARMA 3 - ModDB

The Fallen Screenshot taken in the ARMA 3 mod The Eridanus