The Hex Kit desktop application comes with a set of black and white, classic styled tiles for you to jump right into making maps. However, there are both official tilesets and third party tilesets available as separate products to add to your tile collection. Official tilesets can be purchased at the CONE storefronts on either DriveThruRPG or Itch.io, and there are versions of some available on and for use with Roll20.
Official Tile Sets:
Fantasyland and Fantasyland Utilities
The Fantasyland and Fantasyland Utilities tilesets were the first to be released, and come as over 1,000 brightly colored, hand illustrated map tiles with a fantasy theme. It covers all the basic needs for both terrain types and icons.
Traveling Through Dangerous Scenery
Traveling Through Dangerous Scenery is the second official tileset for Hex Kit, and is an expansion for Fantasyland. It contains over 1,000 more tiles with new terrains, icons, dungeons, and cities.
The Black Spot
The Black Spot is a parchmenty-piratey themed tile set with several hundred tiles perfect for making a map with an old world feel.
Spaceland Part 1: Space
Part one of two space and sci-fi themed tiles, Spaceland Part 1: Space is a collection of over 1,100 tiles for making interstellar and local planetary hex maps. Planets, ring stations, radar screens, strange worlds, warp gates, and communication icons are just a few types of tiles in this set. Spaceland Part 2: is yet to be released, but will include another 1,000+ tiles for making planetside maps with a focus on sci-fi, modern, and post apocalyptic situations.