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.
United States
Inkdrop is an AI-native Markdown note-taking app for developers, available on macOS, Windows, Linux, iOS, and Android, with end-to-end encrypted sync.
Japan
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.
Open-source, local-first AI journal for iOS & Android—capture text, photos, and voice, and let AI organize them into timeline cards and insights.
Hong Kong
PeekNote is a lightweight, always-on-top note app for macOS designed to quickly save, edit, and reuse text or code snippets.
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.
United Kingdom
A simple personal knowledge platform with a focus on clean Markdown files, simple queries and a journal.
Germany
EU
Opens in less than 400ms via global shortcut, offers overlay notes on top of all windows, extracts text from screenshots using OCR, stores data offline by default, auto-pauses on lock and resumes, all in a minimal, clutter-free and distraction-free writing surface.
Iotas is a simple but elegant solution for notes especially but not only for GNOME users. Through Nextcloud integration, all notes can be kept in sync and accessed on different devices.
Frontdoor is an AI bookmarking assistant that helps you save knowledge from anywhere on the internet, automatically tags and takes notes it for you, and intelligently resurfaces it based on what your currently reading on the web
United States
OpenNotas is an open-source note-taking application, cross-platform based on PWA, focusing on security and device synchronization.
