Simple Poll - The easiest way to create polls in Slack

Neveo - Neveo app features the print and delivery option of a fully customizable photo album to anywhere around the globe so you can share your memories with your family members.

Twitter Polls - Polls embedded in tweets

journi - Travel Blogging Rediscovered

Polls for WhatsApp - Create & share quick polls in your WhatsApp groups

SimplyCards - SimplyCards – Real postcard with your photos app helps you in selecting and uploading your favorite photos from various sources such as phone’s internal storage, or social media handles to add them to your postcards.