Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Android
- Android Tablet
- F-Droid
France
EU
Lumen AI Alternatives
Alternatives list
NoteSR is a secure and offline-first note-taking Android app that creates an encrypted storage space on your device. You can write text notes, attach any type of file to them, and open files directly inside the app — all fully encrypted using AES-256.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Android
- F-Droid
Ukraine
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.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Online
United States
+4
TypoZen is a Markdown editor and an ePub reader in one quiet window: somewhere to write in the morning and somewhere to read in the evening, without switching apps or going near the internet.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Windows
United Kingdom
AirNote goes beyond standard note-taking functions, utilizing Google's powerful Gemini API to serve as your personal writing assistant. This project is designed not only to securely store your information but also to help you express your thoughts more effectively and...
Cost / License
- Freemium
- Proprietary (GPL-3.0)
Application type
Platforms
- Android
Türkiye
Ideon is an open-source, self-hosted alternative to tools like Heptabase and Kosmik, specifically designed for technical projects. It provides an infinite spatial canvas where users can organize information visually rather than in linear documents or folder structures.
Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Self-Hosted
- Docker
- France
- EU
Welcome to the homepage of the Zettelkasten (slip box) for your computer. This program is based on the working principle of Niklas Luhmann's famous Zettelkasten.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Mac
- Windows
- Linux
Germany- EU
+4
Your notes, always findable. Capture everything. Maintain nothing. Auto-tagging, smart search, zero organization required.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
51 Flexnote alternativesA local-first knowledge workspace for arranging Markdown notes, PDFs, images, audio, and video on an infinite canvas. It includes mind maps, tag-based databases, bidirectional links, PDF and timestamped video annotation, AI knowledge-base tools, plus WebDAV, S3, OneDrive, and Baidu sync.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Online
- Android
China
+7
A notes tool that follows the applications you select. Context-aware, lightweight, and stores encrypted, locally on your device.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Windows
Romania- EU
NotePro++ is a modern, cross-platform note-taking and digital whiteboard application designed for handwriting, drawing, and digital note organization.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Online
Italy- EU
+3
Canto is a desktop notebook app powered entirely by local AI — everything runs on your device via native Metal GPU acceleration, so your notes never leave your machine.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- Global
+2
