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.
438 tools · A to Z, so position is not a ranking
- Notes & knowledge bases
Tettra
Tettra is an internal knowledge base that answers team questions from company docs, with Slack integration.
- Read-later & research
The Lede
The Lede reads what you save and tells you what each piece argues, with source checks, so you can decide if it is worth reading.
- Whiteboards & mind maps
TheBrain
TheBrain is a visual knowledge tool that links notes, files and web pages as connected thoughts in a map.
- Read-later & research
Theorem
Theorem is an open-source reader for EPUB, PDF and RSS on desktop and Android that exports highlights to Markdown.
- Notes & knowledge bases
Thymer
Thymer is an editor for writing, outlining and planning that combines tasks and notes with real-time collaboration.
- Read-later & research
TIKR
TIKR gives individual investors financial data and tools to research and analyze stocks worldwide.
- Whiteboards & mind maps
TinaMind
TinaMind combines XMind-compatible mind mapping, whiteboards, an AI chatbot and document editing in one workspace.
- Read-later & research
toolslink
toolslink saves and organizes links on iPhone with AI auto-tagging, fast search, sharing and iCloud sync.
- Screenshots & capture
Tracer
Tracer is a Mac screenshot tool with floating shots, OCR, translation, screen recording and markup for everyday screen work.
- Screenshots & capture
TrarrenShot
TrarrenShot is a lightweight Mac screenshot tool with annotation, scrolling capture, OCR and a Live Canvas for meetings.
- Read-later & research
Trelk
Trelk lets you save articles, papers and notes and uses AI to surface connections, with a one-time upgrade price.
- Read-later & research
TresorLink
TresorLink saves links from Safari into a private list protected by Face ID or Touch ID, with ten bookmarks free.
- Read-later & research
Tribb
Tribb is a private RSS reader that follows the sites, newsletters, podcasts and videos you pick, with no algorithm or account.
- Notes & knowledge bases
Trilium Notes
Trilium Notes is an open source note taking and personal knowledge base app that runs locally or syncs to a server.
- Read-later & research
Trott
Trott reads the reels you save, extracts the key points, and lets you search or ask about them later on web and mobile.
- Read-later & research
Tuckii
Tuckii is a bookmark app for iOS and Android that stores links and screenshots from any app in one searchable library without an account.
- Screenshots & capture
Tuji
Tuji is a Mac screenshot app for grabbing the screen, marking up what matters and styling the image before sharing.
- Screenshots & capture
Tukd
Tukd reads the text in each screenshot on iPhone and Mac, files it into a collection and lets you search by any word.
- Screenshots & capture
TurboScan
TurboScan is an iPhone app that scans documents and receipts into PDFs and images.
- Notes & knowledge bases
Tuskk
Tuskk is an app for people with ADHD to snap receipts, cards, prescriptions and warranties and find them again later.
- Whiteboards & mind maps
Twiddla
Twiddla is an online whiteboard where users mark up websites, images or a blank canvas together in real time.
- Read-later & research
Txyz
TXYZ is an AI assistant for reading papers and researching topics, helping users find sources and work through problems.
- Read-later & research
Unclutter
Unclutter is a browser extension that makes articles readable by restyling pages, blocking popups and saving highlights.
- Notes & knowledge bases
UpNote
UpNote is a notes app with a clean interface for writing and organizing notes across mobile and desktop devices.
- Read-later & research
Urlala
Urlala saves copied URLs into folders you choose and syncs the bookmarks across mobile and desktop.
- Notes & knowledge bases
VB Notes
VB Notes keeps notes as plain Markdown files in a folder you choose and searches them by meaning, free with no account.
- Whiteboards & mind maps
Vexlio
Vexlio is a flowchart maker where each shape holds extra detail that readers reveal by clicking, keeping big diagrams easy to read.
- Read-later & research
Video Highlight
Videohighlight summarizes and transcribes YouTube videos and personal recordings, giving timestamped key points and searchable transcripts.
- Read-later & research
Wakelet
Wakelet is a tool for saving links and files into collections that people can organize and share.
- Screenshots & capture
Walkthru
Walkthru turns an iPhone or iPad screen recording or screenshots into an annotated step-by-step guide you can redact and export.
- Notes & knowledge bases
Warq
Warq lets you write a short code in the margin of paper notes and attaches a recording, link, photo or file to that spot.
- Read-later & research
Web Highlights
Web Highlights is a browser extension for highlighting web pages and PDFs, adding notes, and organizing annotations.
- Whiteboards & mind maps
Web Whiteboard
Web Whiteboard is a browser whiteboard where people sketch, brainstorm, and share ideas together instantly.
- Screenshots & capture
Webstarted Screen Capture
Webstarted Screen Capture is a free screenshot tool for Mac and Windows that grabs screens or regions and reads text.
- Notes & knowledge bases
weDocs
weDocs is a WordPress plugin for creating and organizing product documentation and knowledge bases on a self-hosted site.
- Whiteboards & mind maps
Weje
Weje is an online canvas where teams brainstorm, group ideas and share them visually.
- Whiteboards & mind maps
Whimsical
Whimsical is a visual workspace for flowcharts, wireframes, docs and mind maps with AI help for product teams.
- Whiteboards & mind maps
Whiteboard.team
Whiteboard Team is an online whiteboard for visual collaboration, problem solving and planning.
- Notes & knowledge bases
Wiki.js
Wiki.js is an open-source wiki engine for writing and organizing team documentation.
- Whiteboards & mind maps
Wireflow
Wireflow is a free open-source tool for drawing user flows and wireframe flows online.
- Notes & knowledge bases
WishNote
WishNote is a notes app for writing goals, to-dos and reminders with wiki links and recurring tasks, sold with a lifetime license.
- Read-later & research
WordReader
WordReader brings WordPress-powered blogs and news sites into one clean feed on iPhone, iPad and Android.
- Notes & knowledge bases
Workflowy
Workflowy is an outliner that organizes notes, tasks and projects in a single nested bullet list.
- Screenshots & capture
Xnapper
Xnapper takes screenshots on Mac and adds backgrounds, text recognition and annotations automatically.
- Notes & knowledge bases
xTiles
xTiles is a note and planning workspace that organizes each day with tiles for notes, tasks and review of the previous day.
- Read-later & research
YACReader
YACReader reads and organizes cbr, cbz and other comic files on Windows, macOS and Linux, with mobile sync.
- Notes & knowledge bases
Yazora
Yazora is an offline-ready workspace app combining notes, documents, spreadsheets and whiteboards for solo use or small teams.
- Screenshots & capture
Ybug
Ybug lets website visitors and testers send annotated screenshots and bug reports with browser context.