AppFlowy - AppFlowy is an open source alternative to Notion. You are in charge of your data and customizations.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Wondershare PDFelement - All-in-one PDF editor
Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Microsoft Word - Microsoft Word is a commercial word document processor for Windows.