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




Heptabase is described as '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' and is a Note-taking tool in the office & productivity category. There are more than 50 alternatives to Heptabase for a variety of platforms, including Web-based, Mac, Windows, Android and iPhone apps. The best Heptabase alternative is Obsidian, which is free. Other great apps like Heptabase are Joplin, Logseq, Anytype and Notion.
A simple personal knowledge platform with a focus on clean Markdown files, simple queries and a journal.




Open-source and local-first Slack and Notion alternative that puts you in control of your data.




Scrintal offers a visual approach to brainstorming, merging mind mapping with networked note-taking. Ideal for problem-solving, project planning, and study outlining, it accommodates various file types, tags, and colors, forming a comprehensive knowledge base for writers and researchers.




MindForger is a modern, free, open-source, privacy-focused and performance-driven Markdown IDE for creating, editing, and managing all types of notes.



Give your brain superpowers. Mirror the way your mind works by associating notes through backlinks. Reflect builds you a second brain that you can reference anytime. Frictionless thought capture, instant sync, end-to-end encryption and seamless recall make using Reflect natural.




Zavala is a modern take on a traditional outliner. It supports all the things you want in a Mac app like multiple windows, keyboard shortcuts, a customizable toolbar, and a full menu bar.








Nottodbox allows you to create and organize notes, to-dos, and diaries with rich text support in popular formats.


Webtrotion is a highly configurable and easy-to-install website builder, crafted with the Astro framework and Notion. Use it to effortlessly create a blog or website.




Riraen is a specialized AI-powered content management and creation engine designed to operationalize data-driven workflows for marketing teams, entrepreneurs, and digital creators. Unlike general-purpose AI assistants, Riraen focuses on "growth-ready" content by...




HackFlowy is an open source clone of Workflowy, built using backbone.js and socket.io, with an option to easily deploy via Heroku.


Privacy Friendly Notes allows you to take and manage notes on Android devices. It belongs to the Privacy Friendly Apps group developed by the research group SECUSO at Karlsruhe Institute of Technology. More information can be found an secuso.org/pfa


