Thankster - Automagically send hand written cards
Hot Pod - A weekly newsletter all about podcasts
Bond - A simple app that reminds you to keep in touch with people
Ivy Podcast Discovery - Follow topics and guests just like you follow podcasts
Fountain Greetings - Handwritten cards. Curated gifts. Right at your fingertips.
BestPodcasts - The best podcasts, curated and searchable