doubleTwist - Music Player for the Internet of Things. Described as the iTunes for Android, doubleTwist brings you music, radio and podcasts everywhere. Free download.
Geekbot - Discover how to organise asynchronous stand up meetings in Slack and keep your team synced using Geekbot. Start your free trial today!
Pulsar Music Player - Pulsar is tiny, ad-free and full featured music player with material design.
Chili Piper - Chili Piper is an intelligent calendar for Sales teams, to book their own meetings or set appointments for other teams.
iSyncr - iSyncr lets you sync iTunes playlists with your Android phone.
Standuply - Run daily standup meetings and track your metrics in Slack