Horticulturist - Level 1:

  Oxyeye Daisy, Poppy, Allium, Azure Bluet, Cornflower, Lily of the Vally, Dandelion - Buy 1 for 2 Emeralds
  Wheat Seeds, Beetroot Seeds, Melon Seeds, Pumpkin Seeds - Sell 1 for 1 Emerald

Horticulturist - Level 2:

  All leaves block - Buy 2 for 4 Emeralds
  Dead Bush - Buy 1 for 3 Sticks, 1 Emerald
  Grass - Sell 4 for 1 Emerald
  Fern - Sell 2 for 1 Emerald

Horticulturist - Level 3:

  All tulips - Buy 1 for 4 Emeralds
  All saplings - Sell 2 for 1 Emerald

Horticulturist - Level 4:

  Sunflower, Rose Bush, Lilac, Peony - Buy 1 for 5 Emeralds
  Rooted Dirt, Podzol - Sell 2 for 1 Emerald

Horticulturist - Level 5:

  Blue Orchid - Buy 1 for 4 Emeralds
  Wither Rose - Buy 1 for 8 Emeralds
  Spore Blossom - Buy 1 for 12 Emeralds
  Flowering Azelea Leaves - Buy 2 for 4 Emeralds
  Moss Block - Sell 2 for 1 Emerald
  Bone Meal - Sell 4 for 1 Emerald

Occultist - Level 1:

  All Amethyst Buds - Buy 1 for 1, 2, 3 or 5 Emeralds
  Tinted Glass - Buy 4 for 8 Emeralds
  Glow Ink Sac - Sell 1 for 1 Emerald
  Amethyst Shard - Sell 1 for 1 Emerald

Occultist - Level 2:

  Soul Lantern - Buy 1 for 4 Emeralds
  Soul Torch - Buy 1 for 2 Emeralds
  Glowstone Dust - Buy 2 for 4 Emeralds
  Soul Sand, Soul Soil - Sell 2 for 1 Emerald

Occultist - Level 3:

  All colored candles - Buy 2 for 4 Emeralds

Occultist - Level 4:

  Quartz - Buy 2 for 4 Emeralds
  Spectral Arrow - Buy 2 for 2 Emeralds
  Candle - Buy 2 for 4 Emeralds

Occultist - Level 5:

  Experience Bottle - Buy 1 for 3 Emeralds
  Poisonous Potato - Sell 1 for 1 Emerald

Oceanographer - Level 1:

  Sea Pickle - Buy 1 for 3 Emeralds
  Water Bucket - Buy 1 for 5 Emeralds
  Seagrass - Sell 4 for 1 Emerald
  Kelp - Sell 6 for 1 Emerald

Oceanographer - Level 2:

  All corals - Buy 1 for 3 Emeralds
  All dead corals - Exchange for living coral + 1 Emerald

Oceanographer - Level 3:

  All coral fans - Buy 1 for 3 Emeralds
  All dead coral fans - Exchange for living coral fan + 1 Emerald

Oceanographer - Level 4:

  All coral blocks - Buy 1 for 5 Emeralds
  All dead coral blocks - Exchange for living coral block + 1 Emerald

Oceanographer - Level 5:

  Nautilus Shell - Buy 1 for 6 Emeralds
  Sponge - Buy 1 for 8 Emeralds
  Scute - Sell 2 for 1 Emerald
  Tropical Fish Bucket, Axototl Bucket, Pufferfish Bucket - Sell 1 for 1 Emerald

Alchemist - Level 1:

  Sugar, Brown Mushroom, Red Mushroom - Buy 1 for 3 Emeralds
  Nether Wart - Buy 1 for 5 Emeralds
  Glass Bottle - Sell 3 for 1 Emerald

Alchemist - Level 2:

  Magma Cream - Buy 1 for 4 Emeralds
  Pufferfish, Fermented Spider Eye - Buy 1 for 5 Emeralds
  All potions - Buy 1 for 5 Emeralds

Alchemist - Level 3:

  Blaze Powder, Ghast Tear, Phantom Membrane - Buy 1 for 5 Emeralds
  Gunpowder - Buy 1 for 3 Emeralds
  Ender Pearl, Blaze Rod - Sell 1 for 1 Emerald

Alchemist - Level 4:

  All splash potions - Buy 1 for 8 Emeralds

Alchemist - Level 5:

  Dragon Breath - Buy 1 for 8 Emeralds
  Glistering Melon Slice - Buy 1 for 4 Emeralds
  Rabbit Foot - Buy 1 for 4 Emeralds

Flower Tub: holds up to 4 plants.

Aquarium: holds up to 4 sea plants and 1 entity in a bucket.

Enchanted Basin: sneak right-click to store experience, right-click to release it.

Alchemist Table: insert gunpowder, three empty bottles and one potion. With 1/3 chance the potion will convert the three bottles to random potions. With 2/3 the table explodes, destroying its content.