GIPHY for iMessage - The easiest way to share all the GIFs in all your txts
Zimit - Configure price quotes for services
MojiLaLa Unlimited for iMessage - 32,000 original stickers by 450+ artists all over the world.
Chumpu iMessage Sticker Pack - Animated Chumpu cartoon stickers for iMessage
Doll Up Stickers - Dress up your messages.
Saycons - Use Saycons when words are not enough!