Obsidian

A comprehensive note-taking and information capture application that allows users to create, organize, and share notes across devices. Supports text, images, audio, web clippings, and document scanning, making it a versatile personal knowledge hub.

Privacy-first, open-source knowledge base and note-taking tool with built-in time tracking features and plugin ecosystem. Includes native TODO time tracking, time recorder plugins for working hours, and task completion tracking plugins that integrate with daily notes and personal knowledge management workflows.

Free note-taking application built into Apple's ecosystem, offering seamless synchronization across macOS, iOS, and the web. Features Markdown support, tags, document scanning, audio recording, and powerful search functionality.

A hybrid productivity technique that combines the best of digital and analog tools. It uses a main notebook for capturing ideas and tasks, a travel notebook, daily Post-it notes for appointments and top 3 tasks, plus a task management app, online calendar, and note-taking app.

Frictionless note capture app focused on quickly saving thoughts and ideas without organizing upfront, using AI to surface relevant notes when needed and connect related concepts automatically.

Infinitely nested outliner and note-taking tool that doubles as a flexible task management system, using simple bulleted lists that can zoom infinitely for organizing thoughts, projects, and tasks.