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



Obsidian is described as 'Note-taking app that lets you create a personal knowledge graph with ease. It is designed for non-linear thinking and allows you to easily link your notes together wiki-style' and is a leading Note-taking tool in the office & productivity category. There are more than 100 alternatives to Obsidian for a variety of platforms, including Mac, Windows, Web-based, Linux and Android apps. The best Obsidian alternative is Logseq, which is both free and Open Source. Other great apps like Obsidian are Zettlr, Joplin, sNotes – Students Notes and Anytype.
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





Upload your PDFs, slides, lecture handouts, or notes. Our AI creates clear mind maps and high-quality flashcards with spaced-repetition scheduling, to help you learn 2x faster and ace your next test.







Many Notes is a markdown note-taking app designed for simplicity! Easily create or import your vaults and organize your thoughts right away.

Notedrafts is a powerful note-taking app that lets you write, draw, and organize your thoughts across different types of documents. Whether you're marking up a PDF, writing on a large canvas, or taking notes in a long vertical layout, Notedrafts adapts to your workflow.




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.




Truly integrated iOS app combining handwriting, PDF annotation, and text for seamless note-taking. Auto Sync backs up notes. Customize themes, library, and toolbars for a personalized experience with robust features.




A local-first, encrypted, note taking application with tree-like structures, all written and saved in rich text format. Supports Linux, Windows, and a certain walled-garden operating system.







A simple personal knowledge platform with a focus on clean Markdown files, simple queries and a journal.




A note taking application isn't the same as a knowledge management application, even if both allow you to take notes.