PurpleTrail - Whether it is about birthday or wedding party or holidays, you just need to name the event and PurpleTrail will provide you the apt invitation solutions.
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Celebrations.com - Find cool, unique, artist-designed online Invitations, eCards, Party Ideas, Party Planning Tips...
Event Hunt - Startups and Tech Events Curated By Locals
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.