lots of niche mods useful for specific things aren't listed. I'm sure someone else will add to the list, e.g. Syndicate mods (frame powers, weapons, etc)

Weapon: Blood Rush, Weeping Wounds, Condition Overload, Berserker, Healing Return, Life Strike, Hunter Munitions Miscellaneous Very Nice Mods ( many of which are practically mandatory in different builds)ДЇrame: Rage, Hunter Adrenaline, Adaptation, Health Conversion, Energy Conversion, Handspring, Enemy Sense, Natural Talent, Quick ThinkingДЄuras: Corrosive Projection,В Energy Siphon, Steel Charge, Enemy Radar, Loot Detector, Rejuvenation,В Growing Power, Swift Momentum Weapon: Magnum Force, Heavy Caliber, Vile Acceleration, Anemic Agility Lethal Torrent, Drifting Contact, Ice Storm, Shred, ConstitutionДЇrame: Blind Rage, Transient Fortitude, Fleeting Expertise, Overextended, Narrow Minded Melee: Pressure Point, Reach, Fury,В Organ Shatter, True Steel Secondary: Hornet Strike, Barrel Diffusion, Gunslinger, Seeker, Target Cracker, Pistol Gambit Primary: Serration, Split Chamber, Speed Trigger, Metal Augur, Point Strike, Vital Sense A roughly organised, not necessarily complete list of mods that see frequentВ use:ДЇrame: Vitality, Redirection, Steel Fiber, Streamline, Intensify, Stretch, Continuity, Flow

Warframe best mods 2019