1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
ClockTweets - Schedule, analyze, and stalk challengers on Twitter
Berkanan - Chat with people nearby. Even offline, on an ✈️.
LessNoise - Recommendations on who to unfollow on Twitter
Roomvine - Chatrooms for real life venues, neighborhoods and events