Applications and platforms used in practice exercises.
Open-source spaced repetition flashcard application for long-term knowledge retention.
Journaling app with structured prompts, search, encryption, and rich media support for reflective writing practice.
Quick-capture text app that opens instantly to a blank page, designed to eliminate friction between having a thought and writing it down.
Free, open-source diagramming tool for flowcharts, network diagrams, org charts, and process maps — runs in-browser or as a desktop app.
A free, open-source virtual whiteboard for sketching hand-drawn-style diagrams — ideal for quick concept maps, system designs, and visual brainstorming.
A collaborative design tool for creating interfaces, diagrams, and visual artifacts — real-time multiplayer editing with commenting and prototyping.
A focus app that gamifies single-tasking by growing a virtual tree while you stay off your phone, killing it if you leave the app — turning distraction resistance into a visible, rewarding commitment.
A cloud-based calendar for time blocking, scheduling, and managing commitments — integrates with most productivity tools.
A cloud-based word processor for collaborative writing, commenting, and document sharing — real-time co-editing with version history.
Lightweight note-taking app with home screen widget, voice capture, and instant sync — the fastest capture tool for Android and Google ecosystem users.
A free, cloud-based spreadsheet tool for tracking data, building simple dashboards, and collaborative analysis.
A gamified habit-tracking app that turns daily routines into RPG quests — uses rewards, streaks, and social accountability to reinforce behaviors.
A guided meditation and mindfulness app with structured courses for stress reduction, focus, sleep, and emotional awareness.
A distraction-free Markdown writing app with focus mode, syntax highlighting, and clean typography — designed for clear thinking through writing.
Free meditation app with a customizable interval timer and guided noting meditations for mindfulness practice.
An open-source, local-first outliner and knowledge base with bidirectional links and graph visualization — designed for networked thinking.
An async video messaging tool for recording screen and camera — ideal for walkthroughs, feedback, and communication that requires visual context.
A free, open-source Android habit tracker with detailed graphs and statistics — no ads, no accounts, fully local.
Collaborative online whiteboard for visual thinking, mind mapping, and concept diagramming.
All-in-one workspace for notes, databases, and knowledge management with powerful linking and templates.
A local-first knowledge management app built on plain-text Markdown files, supporting bidirectional linking, graph visualization, and extensible plugins.
The zero-dependency analog tool for externalizing thoughts, sketching models, and practicing freewriting without digital distractions.
Apple's built-in screen time monitoring and app limit tool — tracks device usage, sets app limits, and provides weekly reports on digital habits.
A team communication platform with channels, threads, and integrations — the default tool for asynchronous and real-time team coordination.
A minimalist habit-tracking app for iOS that helps you build and maintain daily habits with a clean, visual streak interface.
Cross-platform task manager with natural language date parsing, quick-add from any device, and GTD-compatible inbox workflow.
A time-tracking app that lets you log how you spend your hours with one-click timers, categorized projects, and weekly reports — making invisible attention allocation visible through data.
A visual project management tool using boards, lists, and cards — ideal for kanban-style task tracking and workflow management.
Any voice recording app (Apple Voice Memos, Google Recorder, or equivalent) used for zero-friction audio capture when writing is not possible.
Sam Harris's meditation app combining guided practices with theoretical lessons on consciousness, mindfulness, and the nature of the self.
A collaborative visual workspace for flowcharts, wireframes, mind maps, and sticky notes — fast and intuitive for structured thinking.