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.


acreom is described as 'Actionable personal knowledge base for developers. It helps developers ship faster by centralizing personal and team context in one place' and is a Note-taking tool in the office & productivity category. There are more than 50 alternatives to acreom for a variety of platforms, including Mac, Windows, Linux, Web-based and Android apps. The best acreom alternative is Obsidian, which is free. Other great apps like acreom are Joplin, Logseq, Anytype and Notion.
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.


TiddlyRoam is your open source external brain. TiddlyRoam allows you to quickly create your own wiki. You can add fragments of thoughts and findings whenever they come to you. TiddlyRoam will link them and help you spot the patterns.


Privacy oriented, without vendor lock in note organizer, todo list desktop application. Work offline with text, markdown and pdf files.











Lightweight knowledge silo and networked-writing tool equipped with WYSIWYG Markdown editor and reader. Use it to organize writing, network thoughts and build a Second Brain on top of local plain text Markdown files.


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.



RightNote will help you get a grip on information overload. It is designed to be easy to use for the new-comer, but also provide advanced features once your notes start to accumulate. RightNote can store text notes, source code, spreadsheets and webpages.




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




Tana's combination of simple concepts lets you build anything. Easily turn raw notes into tasks, bugs, follow-ups and more with Supertags. Everything in Tana is connected in a graph, so you can leave files and folders behind. Data flows to where it needs to be.




The note-taking app with robust Markdown editor, supporting macOS, Windows, and Linux. This app is designed to be the most convenient way to make notes in Markdown for your daily hacking.




