Notable romhacks: http://pastebin.com/GfJ9zhqx
Making a romhack: http://pastebin.com/fjGZfMzP
Gen 4-6 hack tools: http://pastebin.com/WvTzcdPR

RMXP/Essentials
Engine: http://pastebin.com/G5PdvaGD
Wiki: http://pokemonessentials.wikia.com/wiki/Pok%C3%A9mon_Essentials_Wiki
Tilesets: http://www.mediafire.com/download/sd99pug37y4v4se/Ziddy%27s+DS+Style+Tilesets+RMXP+.rar
http://imgur.com/a/CiudS (WIP Gen 5 tiles)

Places to share fangames:
http://www.pokecommunity.com/
http://reliccastle.com/forums/

Topic of the thread:
Maps.
Build Maps.
Share Maps.
Rate Maps.
Discuss Maps.

NOT THE INJECTION GENERAL.
WE DO NOT INJECT.
IF YOU ASK, YOU CAN GO INJECT YOURSELF.