CLiGGO MUSIC - CLiGGO MUSIC provides free music enjoyment on your pc, smart phone or tablet.
Trello for Slack - Organize anything with anyone, inside Slack
Palco MP3 - Palco MP3 is the largest Brazilian application for independent artists and offers more than 1 million songs for you to listen and download on your mobile device.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Audionautix - Audionautix is the web-based music platform that provides you the songs, tunes, and music of famous singers which you can use for your audience and business.
Halp - Slack-first ticketing for internal helpdesk