Skill Listing by skill type

General

These are skills common to almost everyone. These skills rarely require any kind of special training.
Appraisal
Art
Concentration
Driving
First Aid
Hide
Knowledge
Listen
Move Silently
Resist Fear
Resist Magic
Resist Mental
Search
Smell
Spot

Magical

Skills associated with magic or psychic ability. These skills almost always require special training or study.
Alchemy
Countering
Discipline
Discipline: Abilities
Discipline: Casting
Ethereal Accuracy
Spellcraft

Mental

These are skills that are more cerebral in nature and often don't require much physical skill or capability.
Computer Programming
Computer Security
Concentration
Ethereal Accuracy
Investigations
Knowledge
Linguistics
Medicine
Meditation
Resist Fear
Resist Magic
Resist Mental
Weapon Systems

Trade/Craft

These are skills which require specialized training. Just about any professional or wage earning skill can be included in this category.
Bowyer/Fletcher
Disarm/Create Trap
Disguise
Forgery
Gunsmith
Herbalism
Knowledge
Lock Picking
Smithing
Trade/Craft

Wilderness

These are skills associated with wilderness and rural settings. Learning these skills in urban settings can be hard or impossible.
Animal Handling
Climbing
Disarm/Create Trap
Flora/Fauna
Herbalism
Hide
Hunting/Fishing
Move Silently
Survival
Swim
Tracking