DevTees - Graphic t-shirts made for developers.
Recombee - Recommender system as a service that uses advanced Machine Learning and Artificial Intelligence algorithms. Easy to try and evaluate.
Product Hunt - A website that lets users share and discover new products
Wylei - Wylei, a pioneer in Predictive AI cloud-based machine learning and marketing automation, creates & delivers real-time, personalized content.
The Practical Dev Shop - Beautifully designed swag for developers ❤️ 👩💻
Optimizely - A/B testing you'll actually use.