IntelliJ IDEA - Capable and Ergonomic IDE for JVM
Optimizely - A/B testing you'll actually use.
Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
BEYABLE - Real-time personalization solutions for e-commerce & lead gen websites
Eclipse - Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.
Enhencer - Enhencer is an auto-machine learning SAAS platform that helps e-commerce sites to predict customer behaviours and take actions accordingly