The best alternatives to OnTap for Slack are Barly, Untappd, and Beer Goggles. If these 3 options don't work for you, we've listed a few more alternatives below.
Big craft beer menus got you confused? Fear not, Charles Barly is here to help! He learns your tastes to make personalized recommendations and can even find the best drinking establishments for you. Set your Palate by picking few flavors you like, see what’s on tap Nearby, and get a recommendation for what to order! Barly is currently available on the App Store and the Play Store. I'd love to hear your feedback. I'm always trying to improve and help others discover better beer!
Staring at a tap list with 30+ beers? Not sure which one you'll like? Just snap the tap list. In seconds Beer Goggles will give you description, style, and ABV for every beer on the list! Beer Goggles also includes links to beer reviews and ratings on popular craft beer social sites, so you can be sure you're ordering a good beer.