PokeMap is a tool that you can use to edit the map in your own game.
PokeMap
Platform(s): GB Hack Tools
Type: Map Editing
Compatible with: Pokemon Red, Blue
Supported OS: Windows
Type: Map Editing
Compatible with: Pokemon Red, Blue
Supported OS: Windows
Positron World Master
With this tool, you can even add 4 different maps and make a big Pokemon world of your own.
Type: Map Editing
Compatible with: Pokemon Ruby, Sapphire, Emerald, FireRed, LeafGreen
Supported OS: Windows
Professional Tilemap Creator
It is really simple. As its name says: a tool which can create the tilemap of a Pokemon game.
Type: Map Editing
Compatible with: Pokemon Ruby, Sapphire, Emerald, FireRed, LeafGreen
Supported OS: Windows
MegaMap
If you do not want to use the GoldMap tool hack, then MegaMap will be the best alternative because its functions are totally the same as the first tool.
Type: Map Editing
Compatible with: Pokemon Gold, Silver
Supported OS: Windows
Nameless Tile Map Editor
The tool Nameless Tile Map Editor (NTME for short) is created for editing – adding the tilemap for Pokemon Gen III games.
Type: Map Editing
Compatible with: Pokemon Ruby, Sapphire, Emerald, FireRed, LeafGreen
Supported OS: Windows
NPRE
Nintendo Pokemon ROM Editor (NPRE for short) is a strong tool for editing and hacking any Pokemon ROM on the NDS system.
Type: Map Editing
Compatible with: Pokemon Diamond, Pearl, Platinum, Heart Gold, Soul Silver, Black, White
Supported OS: Windows
GoldMap
GoldMap is a good way to create GBC’s pokemon pages. Open the ROM from your Movie menu.
Type: Map Editing
Compatible with: Pokemon Gold, Silver
Supported OS: Windows
Map Editor of Happiness
Not only Pokemon FireRed can be hacked, adjusted with a tool but also Ruby – Sapphire – Emerald – LeafGreen… all the games of Gen III.
Type: Map Editing
Compatible with: Pokemon Ruby, Sapphire, Emerald, FireRed, LeafGreen
Supported OS: Windows