Bulma - Bulma is an open source CSS framework based on Flexbox and built with Sass. It's 100% responsive, fully modular, and available for free.
Journaley - A simple and elegant open-source journal keeping software for Windows compatible with Day One
Milligram - A minimalist CSS framework
GloboNote - GloboNote is a free and easy to use desktop note taking application.
Material UI - A CSS Framework and a Set of React Components that Implement Google's Material Design
Jot+ Notes - Jot+ Notes is a software that acts as a text compressor, offering you to compose, arrange and manage notes, recipes collection, work records, contacts, to-do lists, addresses, and personal information.