


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 100 alternatives to Lockbook for a variety of platforms, including Mac, Windows, Web-based, Android and Linux apps. The best Lockbook alternative is Obsidian, which is free. Other great apps like Lockbook are Joplin, Anytype, Logseq and Notion.



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.




A curated library of 100+ thinking frameworks with an AI co-pilot that fills them in and produces a one-page strategy brief.




Open-source, local-first AI journal for iOS & Android—capture text, photos, and voice, and let AI organize them into timeline cards and insights.




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 way to organize your tasks. Drag tasks between columns, take notes, sync across devices. Free, private, works offline.

OpenNotas is an open-source note-taking application, cross-platform based on PWA, focusing on security and device synchronization.




AI connects and organizes notes across your entire library, recommends structure, finds info in text and images, syncs offline across unlimited devices, opens instantly, imports Evernote data, and exports to multiple formats while ensuring user data ownership.




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



PANACHES is a local-first desktop workspace for makers, writers, developers and multidisciplinary creators.




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



