Agenda - A date-focused note taking app for both planning and documenting your projects.
Workstream.io - The hub for analytics work, where you can consolidate assets across tools, curate in line documentation, and collaborate.
Notepin - Extremely simple note-taking + blogging ✍️
DataGalaxy - Data to the People (corporate) Data Knowledge Workplace (product)
Bear - Bear.app is a note-taking and content writing app that helps you boost productivity with its intuitive tools.
ChatDOC - Chat with documents.