The Unsplash API - No-limits, do-what-you-want API for access to 200K+ HD pics.
Pocket Explore - A human curated version of the web
PublicAPIs - Explore the largest API directory in the galaxy
Mailist - Receive weekly reminders of unread, bookmarked articles
API List - A collective list of APIs. Build something.
Always Reading - Queue up articles and schedule when you want to read them.