Zarget - Zarget is new age AB testing and Heatmap software that lets you optimize your website with just a few clicks thereby increasing sales.
Smiirl Counter - An real-time counter of your Twitter, FB, or IG following
Growth Book - The Open Source A/B Testing Platform
SocialLikeCounter.be - Likes Pro is the easiest and cheapest way to show your Facebook likes to your customers. The app refreshes every 5 seconds and will show a "thank you"-animation with each new like! Instagram alternative and Android support coming soon!
AbTest.io - A free url shortener with A/B testing features
Famoid Instagram Follower Count Checker - Famoid Instagram Follower Count Checker is a decent web-based tool that gives you the opportunity to find the exact number of followers on an IG account 24/7.