productboard - Beautiful and powerful product management.
Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.
Product HQ - Product HQ is product management software to manage all aspects of product management.
AkelPad - A simple notepad-like text editor with many features. It is designed to be a small and fast.
ProductPlan - Cloud-based product roadmap software solution
Notepad2 - Notepad2 is a fast and light-weight Notepad-like text editor with syntax highlighting.