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
- Notes & knowledge bases
Thymer
Thymer is an editor for writing, outlining and planning that combines tasks and notes with real-time collaboration.
- Notes & knowledge bases
Tiddlyhost
Tiddlyhost hosts personal TiddlyWiki notebooks for free, giving you an extensible wiki in the browser.
- Notes & knowledge bases
TiddlyWiki
TiddlyWiki is a free, non-linear personal notebook that stores notes as small linked pieces in a single page.
- Screenshots & capture
Tidyshot
Tidyshot renames, sorts and searches Mac screenshots by their text on-device, and offers blur, annotation and auto-redaction.
- Notes & knowledge bases
Tiki Wiki
Tiki is an open-source web application that combines a wiki, forums, blogs and project tools in one package.
- 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.
- Screenshots & capture
Tiny Clips
Tiny Clips is a free lightweight screen capture app for Windows 11 and macOS covering screenshots, recordings and GIFs with markup.
- Notes & knowledge bases
Tiny Notes
Tiny Notes is a mobile notes app that locks private notes and passwords behind a password, with unlimited notes.
- Read-later & research
Tiny Tiny RSS
Tiny Tiny RSS is a free, open-source, web-based feed reader you can host yourself.
- Screenshots & capture
TinyRecorder
TinyRecorder is a free open-source Mac recorder for capturing the screen, a window, an area or system audio.
- Screenshots & capture
TinySnap
TinySnap is a browser extension that captures screenshots and styles them into polished visuals for sharing.
- Notes & knowledge bases
TLDL
TLDL records lectures and turns them into notes, quizzes, flashcards and mind maps that classmates can share.
- Whiteboards & mind maps
tldraw
tldraw is a free online whiteboard that needs no sign-up and supports real-time collaboration on any device.
- Notes & knowledge bases
tMemo
tMemo is a clean private quick-notes app where you type tags like #idea inline, with no separate panels or rigid hierarchy.
- Notes & knowledge bases
Today Notes
Today Notes is an iOS and Mac notes app that keeps the current day front and center while you plan ahead.
- Read-later & research
ToMe
ToMe saves links, photos and ideas from any app in two taps and files them into Spaces so they are easy to find.
- Read-later & research
TomoMark
TomoMark is a Mac library that files papers, books and manuals by metadata and adds translation and AI summaries.
- Read-later & research
toolslink
toolslink saves and organizes links on iPhone with AI auto-tagging, fast search, sharing and iCloud sync.
- Notes & knowledge bases
Tot
Tot holds a few small text documents on Mac, iPhone, iPad and Apple Watch for quick capture and editing.
- Screenshots & capture
Tracer
Tracer is a Mac screenshot tool with floating shots, OCR, translation, screen recording and markup for everyday screen work.
- Read-later & research
Transana
Transana is desktop software where researchers transcribe, code and analyze video, audio and text data in qualitative studies.
- 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.
- Notes & knowledge bases
Triquid Notes
Triquid Notes is a native iPhone, iPad and Mac app for capturing and reading notes stored in a Trilium server.
- Read-later & research
Tropy
Tropy is free open-source software for organizing and describing photographs of archival research materials.
- 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
Trove
Trove lets you save web pages, annotate them and collaborate with others, with a Chrome extension for note taking.
- Screenshots & capture
Tuck
Tuck finds screenshots by the text inside them and also saves links, notes and PDFs on iPhone, iPad and Mac without an account.
- 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
Turtl
Turtl is a secure, private notebook app for saving notes, bookmarks and files and sharing them with others.
- Notes & knowledge bases
Tuskk
Tuskk is an app for people with ADHD to snap receipts, cards, prescriptions and warranties and find them again later.
- Screenshots & capture
TVScope
TVScope shows your Apple TV live on an iPhone, iPad or Mac over Wi-Fi, with screenshots, recordings and a remote.
- 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.
- Notes & knowledge bases
Type Shhh
Type Shhh is a note-taking app that turns note text into blocks with one tap for privacy around others.
- Whiteboards & mind maps
UMLet
UMLet is a free open-source tool for drawing UML diagrams quickly with a simple interface.
- Read-later & research
Uncited
Uncited is a free literature tracker where researchers follow journals and trending papers and build a personal research feed.
- Read-later & research
Unclutter
Unclutter is a browser extension that makes articles readable by restyling pages, blocking popups and saving highlights.
- Read-later & research
Unknown
Unknown reads PDFs, papers and web articles aloud on Mac, iPhone and iPad with synced highlighting, including in a cloned voice.
- Read-later & research
Unpaywall
Unpaywall is a browser extension that finds legal free versions of research papers while you browse.
- Read-later & research
Unread
Unread is an RSS reader for iPhone and iPad focused on clean reading typography.