Tomboy - Apps/Tomboy - GNOME Wiki!

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Turtl - The secure, collaborative notebook

Micro Focus ALM - Learn how Micro Focus’ Application Lifecycle Management (ALM) software tools provide the agility, visibility, and collaboration solutions you need to optimize app development and testing, foster innovation, and improve the user experience.

Carnet - Opensource rich text note taking app

Helix ALM - Helix ALM is the single, integrated application that lets you centralize and manage requirements, test cases, issues, and other development artifacts and their relationships.