>Gen II Misc Guides
https://imgur.com/a/DCwLo90

>Gen III Event Distribution ROMs
10thANV ROM: https://digiex.net/attachments/buuj-top-10-eng-zip.16931/
Mew: https://digiex.net/attachments/buuj-aura-mew-eng-zip.16932/
Aurora Ticket: https://digiex.net/attachments/jpaj-aurora-ticket-usa-zip.16934/
(For Mew and 10thAnv you need a flash cart and link cables. For the Aurora Ticket you need two wireless GBA adapters)

How to get event Jirachi and Celebi from Colosseum to RSE (emulator only)
 Jirachi: https://www.youtube.com/watch?v=9zUvgpfj28s
 Celebi: https://www.youtube.com/watch?v=3n7nb9ls-Hk (Your Colosseum file must be 100% complete and in Japanese language)

>How to transfer your Pokémon from Gen III to Gen IV
https://www.ngemu.com/threads/tutorial-how-to-transfer-pok%C3%A9mon-from-emulated-r-s-e-fr-lg-to-emulated-d-p-pt-hg-ss.184073/

>Poké Classic Network: Private server for Gen IV & V
https://pkmnclassic.net/

>Guide for connecting to a different server for receiving event Pokémon in G4/5 games
https://drive.google.com/file/d/1mwXB1qjAJm_mJhTVfQvhDr39AoYLtE3H/view
(youtube ver.: https://www.youtube.com/watch?v=pbsY_illQms )
(Full list of events distributed: https://pastebin.com/ymLzRj5X )
(If you're getting a 60000 error, put in an older WFC DS game and enter configuration for WFC in that game, then erase existing WFC settings)

>Guide for fighting online with Pokémon Battle Revolution
https://www.youtube.com/watch?v=cQm3CVDpns4

>How to get Pokémon off an existing Pokémon Battle Revolution/Pokémon Ranch file
https://pastebin.com/W5iCMrZh

>Japanese Pokémon Ranch (Platinum Update) ROM
https://drive.google.com/open?id=0B7vPmuZfN3snclp3NHNKQ3dBTVU

>PokéMMO Recommended Mods List
https://pastebin.com/MP0jNF6a

>Pokewiki Secret Code Generator
https://www.pokewiki.de/Spezial:Geheimcode-Generator?uselang=en
Useful for:
>HGSS: Eggs and wallpapers
>DPPt, Emerald: Wallpapers
>GSC: Hour change

>DPPt Munchlax Tree Identifier
https://www.dragonflycave.com/sinnoh/honey-trees

>Pokédex Progress Tracker
https://pokedextracker.com/?fbclid=IwAR3wLqFGSZBAuWq5Y_7C5Wnr9X1vDOaDrr3V4Gec-2yA_ZAAXvtF1JSYFEk
>Alternative
https://pco.bobchao87.com/#/app/main

>Deleveled roms for Gen 1-3
https://mega.nz/#F!izoH0AIJ!tjuYPeJ7GSe6NXXlSsI3YA

>List of mystery gift events for all generations
https://pastebin.com/ymLzRj5X