PrivateNotes (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.



Heptabase is described as 'Visual note-taking tool that helps you make sense of your learning, research, and projects. It helps you get into the flow of thinking and brings together everything you need to do better research' and is a Note-taking tool in the office & productivity category. There are more than 100 alternatives to Heptabase for a variety of platforms, including Web-based, Mac, Windows, Android and iPhone apps. The best Heptabase alternative is Obsidian, which is free. Other great apps like Heptabase are Joplin, Anytype, Logseq and Notion.
PrivateNotes (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.



A simple personal knowledge platform with a focus on clean Markdown files, simple queries and a journal.




Consolidates ideas, notes, and content into one unified platform, featuring a text editor, document connections, knowledge management, and advanced search, with elements for template creation and future web clipper and audio highlight enhancements.




Give your brain superpowers. Mirror the way your mind works by associating notes through backlinks. Reflect builds you a second brain that you can reference anytime. Frictionless thought capture, instant sync, end-to-end encryption and seamless recall make using Reflect natural.





Nexodule is a comprehensive productivity and lifestyle platform designed to simplify your digital life. Instead of juggling multiple apps and subscriptions for note-taking, journaling, and AI assistance, Nexodule integrates them all into a single, cohesive workspace.




Workspace with end-to-end encryption, zero-knowledge security, rich notes, private journal, encrypted file storage, password management, cross-platform browser access, open-source cryptography, optional Pro features, and no recurring subscription fees.




Scrintal offers a visual approach to brainstorming, merging mind mapping with networked note-taking. Ideal for problem-solving, project planning, and study outlining, it accommodates various file types, tags, and colors, forming a comprehensive knowledge base for writers and researchers.




Zavala is a modern take on a traditional outliner. It supports all the things you want in a Mac app like multiple windows, keyboard shortcuts, a customizable toolbar, and a full menu bar.




Open-source and local-first Slack and Notion alternative that puts you in control of your data.




Octarine is a fast, lightweight tool for writing, planning, and organizing — in Markdown that stays yours.



