Open Source Note Taking Apps
Discover the best open source note taking apps to capture ideas, organize your thoughts. Find tools for personal or team knowledge management.
Apps in Note Taking
Language
License
Tolaria
Note Taking
A free, open-source, local-first desktop app for managing markdown knowledge bases on macOS, Windows, and Linux — for second brains, company docs, or AI assistant memory and procedures.
Amical
AI Assistants · Note Taking · Voice AI
Local-first AI dictation that understands your active app — private, offline, and built for speed.
NoteDiscovery
Knowledge Management · Note Taking · Productivity
A self-hosted markdown knowledge base with MCP-powered AI integration, graph views, LaTeX math, and built-in drawing — your notes stay on your server, forever.
OpenKnowledge
Code Editors · Knowledge Management · Note Taking
A beautiful, local-first markdown IDE that turns any git repo into a live collaborative workspace for humans and AI coding agents like Claude, Codex, and OpenCode.
Kuku
Note Taking
A local-first, open-source Markdown knowledge workspace for macOS — plain files, personal wiki and Second Brain workflows, AI-assisted diffs, and encrypted sync, built as an Obsidian alternative.
Lokus
Knowledge Management · Note Taking
Local-first note-taking with graph view, canvas & AI plugins—your Markdown files, zero telemetry, blazing-fast Rust performance.
faved
Bookmarks Archiving · Knowledge Management · Note Taking
A private, self-hosted bookmark manager built for large collections—nested tags, PWA support, and zero cloud dependency.
Blinko
Knowledge Management · Note Taking
A self-hosted, AI-powered card note-taking tool that lets you capture fleeting thoughts instantly and retrieve them with natural language search.
flatnotes
Knowledge Management · Note Taking
Self-hosted, database-free note-taking with plain Markdown files, full-text search, wikilinks, and zero proprietary lock-in.
OpenScreen
Design Tools · Note Taking · Productivity
Free, open-source screen recorder with zooms, annotations, and system audio capture
Owlistic
Note Taking · Productivity
Self-hosted, open-source real-time note-taking and task management with WYSIWYG editing, live sync, and role-based access control.
Markdrop
Note Taking
Visual drag-and-drop markdown editor with GitHub-specific blocks, cloud sync, and offline PWA support
About Note Taking
In today’s fast-paced world, the ability to quickly and efficiently record thoughts, ideas, and information is essential. Note taking software provides a digital space to do just that – moving beyond traditional pen and paper to offer powerful features for organization, collaboration, and long-term knowledge management. These tools are designed for a wide range of users, from students and researchers to professionals and creative writers.
Typical features include rich text editing, allowing for formatted notes with headings, lists, and multimedia. Many applications support tagging and categorization to facilitate easy searching and retrieval of information. Advanced functionality often includes linking between notes, creating a personal knowledge base, and even version control to track changes over time. Collaboration features such as shared notebooks and real-time editing enable teamwork and brainstorming.
Note taking apps solve critical problems related to information overload and disorganization. They offer a centralized location for all your thoughts and ideas, reducing the need to sift through multiple documents or physical notebooks. By providing powerful search capabilities and organization tools, these applications help you find what you need when you need it. Beyond personal productivity, collaborative features foster better teamwork and knowledge sharing within organizations. The ability to integrate with other workflows (such as task management systems) further enhances their value, making them a core component of many modern workflows.