The Influencer Marketing Stack - Free resources to launch a killer campaign
iSing Karaoke - iSing Karaoke is free to use the Karaoke app that offers free access to hundreds of songs.
Startup Stash - A curated directory of 400 resources & tools for startups
Sing! Karaoke by Smule - Karaoke with your favorite celebrity singers
Makerbook - A directory of the best free resources for creatives
Singa - Singa is the best way to sing karaoke on mobile or tablet.