Twitter: https://twitter.com/MegaHack11
Website: https://www.megahackathon.com/
Discord: https://discord.com/invite/XGDn6D3n7d
Submission Portals:
Dorahacks: https://dorahacks.io/hackathon/23/detail
MetaJam: https://www.metajam.studio/event/mega-hackathon
Application form: https://docs.google.com/forms/d/e/1FAIpQLSf2jSmFN4eW-m1c31REV8ONYZLDnC8-1DpA0OuUXV3EPGUipQ/viewform