STEP is an extensive, step-by-step and monthly updated guide to enhancing TESV Skyrim with the actual best mods, tweaks and settings; the focus is quality, not quantity.
Bloodier combat experience for both players and NPCs with higher resolution and detailed textures. Adds features such as decapitated spasms, blood pools and player blood drops at low health.
SkyRe is a full Skyrim overhaul, centered around gameplay. Mods include perk trees, racial abilities, dangerous enemies, balance, immersion and more of everything including recipes, auras, plagues, curses and touch spells.
This house includes everything you could really need in a house apart from navmesh and housecarl (both coming in time, expect the housecarl to be a John Sheppard look-a-like).
Here is a different module of SkyFi. This can be used with or without the main SkyFi mod, and the only reason it is separate is because it isn\'t technically Science Fiction.