love letters from craig - Strange exploration into Craigslist casual encounters (NSFW)
Oho Cards - Augmented Reality greeting cards
Greetabl for Business - Better than a greeting card, more personal than flowers.
Thankbox - Online group card & gift collection for teams. Like passing a card around the office but without the card.
Paper Pop Cards - Send your loved ones a pop up card
Fountain Greetings - Handwritten cards. Curated gifts. Right at your fingertips.