Self-hosted and open source note-taking app focused on minimalism and efficiency. Offers simple folder organization, keyboard shortcuts, instant URL formatting, and local media storage under /notes, reducing complexity in organizing thoughts.


Lockbook is described as 'End-to-end encrypted notes, sketches, and files synced across devices with no personal info collected, using open-source, native apps for privacy and security' and is a Note-taking tool in the security & privacy category. There are more than 50 alternatives to Lockbook for a variety of platforms, including Mac, Windows, Android, Linux and Web-based apps. The best Lockbook alternative is Obsidian, which is free. Other great apps like Lockbook are Joplin, Logseq, Anytype and Notion.
Self-hosted and open source note-taking app focused on minimalism and efficiency. Offers simple folder organization, keyboard shortcuts, instant URL formatting, and local media storage under /notes, reducing complexity in organizing thoughts.


This program is a structured notetaking application based on GTK+ 3. Write your notes in instantly-formatted Markdown, organise them in a tree of folders that can be instantly navigated from within the program, and add hand-drawn notes by mouse, touchscreen or digitiser.


Silver Bullet is an extensible, open source, personal knowledge management system. Indeed, that’s fancy talk for “a note-taking app with links.” However, Silver Bullet goes a bit beyond just that.


A Vim-inspired note-taking application that knows programmers and Markdown better.




Q is a writing and memory tool that uses semantic search instead of folders. It allows markdown formatting on any device, provides math evaluations, and adds punctuation.




PeekNote is a lightweight, always-on-top note app for macOS designed to quickly save, edit, and reuse text or code snippets.



Heptabase is a 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.




Supports open formats like plain text, Markdown, RTF, stores notes on disk, offers live sync with external editors, iCloud Drive and Dropbox sync, elastic pane views, fast search, tagging, markdown preview, code highlighting, and robust multi-folder management.




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.




The note-taking app with robust Markdown editor, supporting macOS, Windows, and Linux. This app is designed to be the most convenient way to make notes in Markdown for your daily hacking.




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



