BlueGriffon - An HTML editor based on Mozilla rendering engine.

Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.

Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.

Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.

ATPad - ATPad is a simple Notepad replacement written in pure C and Windows API. Keeping simplicity of Notepad it provides many additional features. 90kb UPX repacked

Nuclino - Nuclino works like a collective brain, helping teams bring all their knowledge, docs, and projects together in one place. It's a modern, simple, and blazingly fast way to collaborate.