▀▀▀
[ROM HACKING]

Notable ROM hacks: http://pastebin.com/GfJ9zhqx
Getting started on your own hack: http://pastebin.com/fjGZfMzP

Gen 4 - 6 Hack Tools:
http://pastebin.com/WvTzcdPR

▀▀▀
[ESSENTIALS]

Essentials Engines:
http://pastebin.com/G5PdvaGD

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

▀▀▀
[SITES FOR SHARING GAMES]
http://www.pokecommunity.com/ (better for ROM hacks)
http://reliccastle.com/forums/ (better for Essentials games)

FAQ:
>"Can someone inject this Pok-?"
>>>/vp/ekx
>"Why do people use Essentials?"
>>>/trash/
>"DOORS"
>>>/reddit/
>"Sage-"
Sage is still under development, albeit slowly.

Before asking questions, check the links above.