Think & Capture
1,447 verified tools in 4 sections. Pick a section, search, or filter by free plan and country.
Capture ideas, organize notes and build a searchable knowledge base. Explore note-taking apps, whiteboards, research tools and screen capture software.
1,447 tools · A to Z, so position is not a ranking
- Whiteboards & mind maps
Pidoco
Pidoco is an online tool for building clickable wireframes and prototypes of websites and mobile apps.
- Screenshots & capture
Pika Screenshots
Pika turns screenshots into polished images with backgrounds, device frames and shadows, and can capture websites.
- Screenshots & capture
Pikwy
Pikwy takes full-page screenshots of websites online at chosen device sizes without installing anything.
- Read-later & research
Piles
Piles captures citations from highlighted passages with one shortcut, resolves the source in the background, and exports BibTeX.
- Read-later & research
Pincone
Pincone collects websites, newsletters, feeds and articles in one place so people can save and organize their content.
- Notes & knowledge bases
Pinpal Notes
Pinpal Notes is a notes app for Apple devices with folders and checklists that Claude or ChatGPT can connect to.
- Read-later & research
Pinstachio
Pinstachio is a modern Pinboard client for iPhone, iPad and Mac for browsing and managing your saved bookmarks.
- Notes & knowledge bases
Pinto Notes
Pinto Notes is an iPhone and Mac notes app where ChatGPT, Claude and other AI tools can read and edit your notes.
- Screenshots & capture
PinVari
PinVari lets developers point at a spot on their Mac screen and speak, so feedback for an AI coding tool carries the exact context.
- Screenshots & capture
PixMarker
PixMarker is an iOS app for marking up photos with cropping, shapes, blur, text and magnifier, saved in HD.
- Screenshots & capture
Pixpresso
Pixpresso is an Apple device app for cropping, resizing and marking up screenshots and photos and copying text from them.
- Screenshots & capture
Pixtel
Pixtel is an app for capturing the screen, annotating images and sharing them from one place.
- Screenshots & capture
Pizazoo
Pizazoo is a free app for Mac, iPhone and iPad that sorts screenshots into categories automatically using on-device processing.
- Notes & knowledge bases
Plain Org
Plain Org brings Org mode notes and tasks to iOS, built as a personal project by one developer.
- Read-later & research
PlainMind
PlainMind saves links, photos, places, PDFs and notes from any app in one tap and sorts them automatically on Apple devices.
- Notes & knowledge bases
Plainpad
Plainpad is a free, open-source note-taking app that you host yourself, with quick search and synced notes.
- Notes & knowledge bases
Planist AI
Planist AI is a notes and task app where typed or spoken thoughts are organized by AI into tasks and reminders.
- Whiteboards & mind maps
PlantText
PlantText is an online editor where users write PlantUML code and see UML diagrams instantly.
- Whiteboards & mind maps
Plectica
Plectica is a visual mapping tool for laying out ideas, systems and relationships as connected maps.
- Read-later & research
Plinky
Plinky saves links with one tap from any app or browser so they can be read later.
- Notes & knowledge bases
Plume
Plume is a free lightweight macOS app for taking quick notes from the menubar.
- Notes & knowledge bases
PmWiki
PmWiki is a wiki engine for building collaborative websites and documentation without a database.
- Notes & knowledge bases
Pocketlyne
Pocketlyne is a native iPhone and Android app for reading, searching and editing an Outline wiki you already run.
- Read-later & research
PocketTok
PocketTok saves supported video links and photo posts on iPhone and iPad and organizes them into collections for later viewing.
- Read-later & research
podstow
podstow turns saved web articles, or text from an AI assistant, into a personal listen-later podcast feed.
- Read-later & research
Podwise
Podwise turns podcast episodes into summaries, transcripts and mind maps, and lets listeners search and export notes to Notion or Readwise.
- Screenshots & capture
Pointerly
Pointerly is a macOS app that highlights the mouse cursor and lets you draw on screen to guide viewers during demos and calls.
- Screenshots & capture
PolyCapture
PolyCapture records webcams, microphones, screens and apps on Mac, either individually or all at the same time.
- Read-later & research
Ponder
Ponder is an AI research workspace that searches scholarly papers, maps what you read and helps write literature reviews with citations.
- Whiteboards & mind maps
Popplet
Popplet is a tool for making visual idea boards and mind maps to capture and organize thoughts.
- Read-later & research
Postbook
Postbook turns articles, posts and threads into books with covers and delivers them to a Kindle.
- Screenshots & capture
Postimages
Postimages hosts uploaded images for free and gives permanent links for forums, blogs and social media.
- Screenshots & capture
Postspark
PostSpark is a free online screenshot editor that adds backgrounds, browser frames, text, arrows and blur, exporting PNG, JPG or MP4.
- Whiteboards & mind maps
Power Node
Power Node is a mind mapping app for turning jumbled notes and disorganized thoughts into visual maps.
- Read-later & research
PoweReader
PoweReader is a native RSS reader for iPhone and Mac whose premium plan adds AI summaries, translation, audio summaries and iCloud sync.
- Read-later & research
PowerNotes
PowerNotes is a research workspace where students capture sources, build outlines and write with AI grounded in those sources.
- Read-later & research
PQAI
PQAI is an open-source AI patent search tool for inventors, researchers and developers.
- Screenshots & capture
PrintScreen.ly
PrintScreenly captures regions, windows, fullscreen and scrolling screenshots and records the screen to MP4 on Mac, Windows and Linux.
- Whiteboards & mind maps
ProcessOn
ProcessOn is an online drawing tool for mind maps, flowcharts, org charts and UML diagrams with real-time collaboration and AI generation.
- Notes & knowledge bases
Project Snippets
Project Snippets is a Mac app that organizes code snippets by project and language, with search and reusable named placeholders.
- Read-later & research
Prologue
Prologue is an audiobook player for iOS that streams, downloads and syncs books from Plex and Audiobookshelf servers.
- Notes & knowledge bases
Prompt Journal
Prompt Journal is a notes app for people who write prompts all day, with a reusable prompt library and task tracking.
- Notes & knowledge bases
PromptPaste
PromptPaste is a Mac, iPhone and iPad app for saving, organizing and quickly pasting AI prompts with variables and sync.
- Notes & knowledge bases
ProNotes
ProNotes extends Apple Notes with extra features so people who already use the built-in app get more from it.
- Notes & knowledge bases
ProProfs Knowledge Base
ProProfs Knowledge Base builds public or private knowledge bases with AI that writes and improves articles, aimed at deflecting support tickets.
- Notes & knowledge bases
Protected Text
ProtectedText is a free online notepad that encrypts notes with a password, with no login or ads.
- Whiteboards & mind maps
Proto.io
Proto.io is a browser tool for building interactive web and mobile app prototypes without code and sharing them for testing.
- Read-later & research
Protopage
Protopage builds personalized start pages with RSS feeds, bookmarks, and sticky notes that users can share.