Notion

regionSan Francisco, California

notion.so

Amie

amie.so

Amitree

home.amitree.com

Datarails

Datativity defunct

Harmonia

regionBlacksburg, Virginia

harmonia.io

Hypercontext

regionToronto, Canada

hypercontext.com

Nines

ninesliving.com

OneNote

onenote.com

Renesent

regionBeaumont, California

renesent.com