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

Journaley - A simple and elegant open-source journal keeping software for Windows compatible with Day One

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

Daybook - Daybook is an application that allows you to record activities, experiences, thoughts, and entire ideas throughout a day and protect all of your information with a strong password.

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.

GloboNote - GloboNote is a free and easy to use desktop note taking application.