Sentry.io - From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend.
Clearbit Forms - Data powered web forms designed for conversion
Rollbar - Rollbar collects errors that happen in your application, notifies you, and analyzes them so you can debug and fix them. Ruby, Python, PHP, Node.js, JavaScript, and Flash libraries available.
Tolstoy - Communicate with interactive videos
ErrorFeed - Error tracking and exception handling for developers, startups, and freelancers.
Rayfeed - Improve your product with video and audio feedback 📹🔊