There are three basic crafting professions and three homologous house crafting professions. The three basic professions are Alchemist, Armorsmith, and Blacksmith. The house crafting professions are Support, Defender, and Attacker.
The most up to date listing of all recipes can be found on the forum here or accessed directly here. The other threads linked to on this article contain more information but are quite outdated.
Creates support items for medics and engineers as well as some special weapons such as Cursed Stones, Fireblade, Heavy War Hammer, Royal Shield, and Apsod's Sword of Kokt Torsk. Can also refine basic materials into higher level materials.
You can find Alchemist recipes here
Crafts armor and refines basic materials into higher level materials.
You can find Armorsmith recipes here
Crafts weapons, arrows, bolts, and shields. Also refines basic materials into higher level materials.
You can find Blacksmith recipes here
Crafts high level support items.
Crafts high level armors.
Crafts high level weapons.
You can find House Crafting Recipes here