Reor is an AI-powered desktop note-taking app: it automatically links related ideas, answers questions on your notes and provides semantic search. Everything is stored locally and you can edit your notes with an Obsidian-like markdown editor.

Fluster is described as 'The ultimate note-taking app for students & academics, featuring AI-powered RAG, vector databases, bibliography management, and seamless integration with your academic workflow' and is a Note-taking tool in the office & productivity category. There are more than 25 alternatives to Fluster for a variety of platforms, including Mac, Windows, Linux, iPhone and Web-based apps. The best Fluster alternative is Obsidian, which is free. Other great apps like Fluster are Joplin, Logseq, Anytype and Notion.
Reor is an AI-powered desktop note-taking app: it automatically links related ideas, answers questions on your notes and provides semantic search. Everything is stored locally and you can edit your notes with an Obsidian-like markdown editor.

DeepNotes is an open source, end-to-end encrypted visual note-taking app with deep page navigation and live collaboration. Create mind maps, diagrams, kanban boards, among others. Infinite nesting of infinite canvases.




Capacities offers a revolutionary note-taking experience by utilizing a network-based structure for knowledge capture and organization. Users create unique entities like ideas and questions in a graph view, fostering personalized and interconnected know-how beyond traditional folders.




Qiqqa is a free research and reference manager. Search for, read and annotate your PDFs. Then review your work, write up and create bibliographies instantly.




Foam is a personal knowledge management and sharing system inspired by Roam Research, built on Visual Studio Code and GitHub.

Efficient web-based tool for constructing high-quality commutative diagrams. Offers LaTeX export with embedded links, intuitive interface supporting both mouse and keyboard inputs, and features like multiple selections, macro support, and smart label alignment.




Nuclino is a unified workspace where teams can bring all their knowledge, docs, and projects together in one place. It’s a modern, simple, and blazingly fast way to collaborate, without the chaos of files and folders, context switching, or silos.



Organizes documents, notes, emails, PDFs, and media using AI-powered search, tagging, and OCR. Supports offline use, syncing across macOS and iOS, encryption, web clipping, automation, and customizable grouping for efficient information management.




As easy to use as a word document or bulleted list, and as powerful for finding, collecting, and connecting related ideas as a graph database. Collaborate with others in real time, or store all your data locally.

A Vim-inspired note-taking application that knows programmers and Markdown better.




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.


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.



