PrivateNotes is described as '(formerly Exocortex) is an encrypted note-taking app designed for networked thought. It allows you to link ideas together, creating a web of interconnected notes that mimic how your mind works' and is a Note-taking tool in the office & productivity category. There are more than 50 alternatives to PrivateNotes for a variety of platforms, including Mac, Windows, Linux, Android and Web-based apps. The best PrivateNotes alternative is Obsidian, which is free. Other great apps like PrivateNotes are Joplin, Logseq, Anytype and Notion.