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
- Read-later & research
Sioyek
Sioyek is a PDF viewer built for technical books and research papers, with quick search and navigation of previously opened documents.
- Screenshots & capture
Site-Shot
Site-Shot captures any URL as a PNG, JPEG or WebP in the browser, with an API for developers.
- Notes & knowledge bases
Skein Notes
Skein Notes is a native Mac app that manages Markdown notes in a folder for things you are learning and working on.
- Whiteboards & mind maps
Sketchboard
Sketchboard is a free online whiteboard where remote teams draw, plan and brainstorm together.
- Screenshots & capture
SketchMouse
SketchMouse is a one-time purchase Mac app for drawing on screen, spotlighting the cursor, magnifying details and timing activities.
- Whiteboards & mind maps
Sketchtoy
Sketch Toy is a free online drawing app that records your strokes so friends can watch a replay, with no sign-up.
- Whiteboards & mind maps
Sketchviz
Sketchviz creates and publishes hand-drawn style Graphviz diagrams for free.
- Read-later & research
SkyMarks
SkyMarks lets you bookmark and keep track of your favorite Bluesky posts across your iOS devices.
- Notes & knowledge bases
Slab
Slab is a knowledge base and wiki tool where teams write, organize and search internal documentation.
- Notes & knowledge bases
SlashNote
SlashNote is a macOS menu bar notes app with several ways to create notes, local voice input and an AI assistant.
- Read-later & research
Slate
Slate gathers the content you choose and save into one place where you can read, watch or listen.
- Read-later & research
Sleevy
Sleevy is a read-it-later and bookmark app for iPhone, Chrome and web that also exposes a REST API and an MCP server.
- Read-later & research
Slick Inbox
Slick Inbox is a reading app for newsletters that moves them out of the cluttered inbox into a simple, distraction-free reader.
- Notes & knowledge bases
SlimWiki
SlimWiki is a minimalist wiki for teams and individuals to write and share knowledge collaboratively, with free sign-up.
- Notes & knowledge bases
Slips
Slips is a notes app for iPhone, iPad and Mac built around five focused notes instead of folders and piles.
- Notes & knowledge bases
Slite
Slite is a team knowledge base that keeps company docs and answers organized, with AI search over connected tools.
- Read-later & research
Slow Feeds
Slow Feeds is an RSS, Atom and JSON feed reader for iPhone, iPad and Mac that keeps quieter blogs from being drowned out.
- Read-later & research
Slurp
Slurp is a free iPhone and Mac app that reads articles, PDFs, documents and feeds aloud while highlighting each spoken word.
- Notes & knowledge bases
smalltype
smalltype is a fast Markdown notes app where each note is a plain file, suited to quick and long entries alike.
- Whiteboards & mind maps
Smaply
Smaply is journey mapping software for building customer journey maps and service blueprints with teams.
- Screenshots & capture
Smart Blur
Smart Blur blurs emails, phone numbers and card numbers on web pages before you share your screen or take screenshots.
- Notes & knowledge bases
Smart Connections
Smart Connections is a set of Obsidian plugins that surfaces related notes with local embeddings and adds AI chat and lookup.
- Notes & knowledge bases
Smart Sticky Notes
Smart Sticky Notes is a Mac sticky notes app for capturing ideas quickly and syncing them across devices.
- Read-later & research
SMMRY
SMMRY condenses long articles and pasted text into short summaries for quick reading.
- Notes & knowledge bases
Smolpad
Smolpad is a small Markdown notes app for Apple devices that stores each note as a plain text file.
- Read-later & research
SMRY
SMRY saves articles and RSS feeds, summarizes them with an AI agent and keeps everything searchable so you can ask questions later.
- Screenshots & capture
Snabbit
Snabbit is a free Mac screenshot tool with keyboard shortcuts that saves uncompressed, high-quality captures without clutter.
- Screenshots & capture
Snagit
Snagit captures screenshots and records screens for Windows and Mac, with annotation tools for tutorials and documentation.
- Screenshots & capture
SnapApp
SnapApp is a Mac snipping tool for quick region captures, with arrows, shapes, blur and text, and one-click copying.
- Screenshots & capture
Snapline
Snapline is a Mac menu bar app for capturing, annotating and recording the screen, including scrolling captures.
- Screenshots & capture
Snaplio
Snaplio helps you find and organize screenshots on iPhone and iPad using on-device intelligence.
- Screenshots & capture
Snapzy
Snapzy is a native Mac app for capturing screenshots and screen recordings with annotation tools.
- Read-later & research
SnazzyRSS
SnazzyRSS reads RSS, Atom and JSON feeds in a clean view and lets you save articles for later from Safari.
- Screenshots & capture
Snip Marker
Snip Marker captures an area of the screen and lets you add arrows, frames and numbers and hide sensitive details before sharing.
- Screenshots & capture
Snip My
Snip My is a macOS screenshot tool built with current Apple technologies that collects no data from its users.
- Screenshots & capture
Snip Studio
Snip Studio is a Mac snipping tool that captures windows, regions and scrolling pages, annotates them and suggests sensitive items to redact.
- Screenshots & capture
Snipaste
Snipaste takes screenshots and pins images or text on the screen, free for personal use on Windows and Mac.
- Read-later & research
Snipo
Snipo lets users take timestamped notes and screenshots while watching videos and send them to Notion in one click.
- Notes & knowledge bases
SnipperApp 3
SnipperApp 3 is a macOS code snippet manager that exposes snippets to Claude and Cursor through MCP and has a Raycast extension.
- Notes & knowledge bases
Snippets
Snippets is a fast Markdown note-taking app that keeps notes as .md files on your device and never uploads them.
- Notes & knowledge bases
SnippetsLab
SnippetsLab is a Mac code snippet manager that keeps snippets and notes organized and easy to find.
- Screenshots & capture
Snipping Studio
Snipping Studio is a macOS screenshot tool with rectangle, freeform, window, full-screen and scrolling capture, plus annotation and sharing.
- Screenshots & capture
Snipping Tool
Snipping Tool is the Windows app for capturing screenshots and screen recordings and annotating them.
- Read-later & research
SnipRSS
SnipRSS clips videos, podcasts, blog posts and web pages into a personal shareable RSS feed for content without feeds.
- Screenshots & capture
SnipSnipSnip
SnipSnipSnip is a free, open-source macOS app for capturing, annotating, redacting and recording the screen, with automation, all stored locally.
- Screenshots & capture
SnipTool
SnipTool is a Mac snipping app with rectangle, window and freeform capture and annotation, with shortcuts familiar to Windows users.
- Notes & knowledge bases
SNote
SNote is an end-to-end encrypted workspace for notes, files, docs and databases with collaboration.
- Read-later & research
Snug
Snug saves links, reels, videos and notes from Instagram, TikTok, YouTube and other apps into one organized, searchable collection.