Depends on what you call "essential". Most players would consider having better graphics essential, others the gameplay improvement mods, and still others the 'bare minimum'. As for me, i find the most essential ones, those that without i wouldn't even play Skyrim anymore. But it seems to change a bit with each playthough. Although i have a absolute must haves in a very short list : - skyUI - iHud (or minimal hud, also good) - racemenu and/or ECE - Cbbe (and the side tools/skins) - ULO+ (absolutely needed for my graphics) - Imaginator - Predator vision - Wet and Cold + ashes - Several texture mods (mostly landscape) - Immersive armors - Immersive weapons. - better Magic. I could add many more mods, but the short list above is ,for me at least, a must have to even consider playing skyrim. Oh, and the unofficial patches and textures are obvious. As for the modders themselves, i consider the work of Gopher, Caliente, CaBal, Expired, Apachii and JJC71, to name a few, absolutely top notch and not to be missed on the listings.