BookStack
Description: BookStack is an open source knowledge management platform to help build and organize wikis for internal or public use. It allows you to collaboratively write and structure documents to organize knowledge, notes or documentation.
Type: software
Pricing: Free
ThetaBoard
Description: ThetaBoard is a digital whiteboarding and collaboration software. It allows teams to brainstorm ideas, sketch diagrams, take notes, and annotate documents together in real-time. Key features include infinite canvas, shape recognition, handwriting and typing support, image uploads, and integrations with Dropbox, Google Drive, OneDrive, and more.
Type: software