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.


OpenNotas is described as 'Open-source note-taking application, cross-platform based on PWA, focusing on security and device synchronization' and is an website. There are more than 50 alternatives to OpenNotas, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux, Android and iPhone apps. The best OpenNotas alternative is Obsidian, which is free. Other great sites and apps similar to OpenNotas are Joplin, Standard Notes, Notesnook and Google Keep.
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.


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.








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 collection of small, simple, single-task tools, mostly designed to help neurodivergent people with tasks they find overwhelming or difficult.




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




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.




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.

At Notemod, we believe that taking notes should be simple, powerful, and accessible to everyone. Whether you're a student, professional, or creative thinker, Notemod is designed to streamline your note-taking experience with a modern touch.




Protects your private notes with a password. Notebook PEA is a self-decrypting archive, that will never store unencrypted text on your disk.


Note Station allows your precious ideas to be synced from your own Synology NAS server device to all your computers and mobile devices with maximum privacy and security.





