Streaks - The to-do list that helps you form good habits.

Raygun - Raygun gives developers meaningful insights into problems affecting their applications. Discover issues - Understand the problem - Fix things faster.

Taskful - Deadlines, meet your match.

Kafka - Apache Kafka is publish-subscribe messaging rethought as a distributed commit log.

ToDoList - Windows desktop application to stay on top of your daily tasks.

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.