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
- Screenshots & capture
Superflow
Superflow lets agencies and clients review website changes with video, image and PDF comments, and runs AI checks against a QA checklist.
- Notes & knowledge bases
Supernotes
Supernotes is a note taking app built around linked notecards with markdown, images and collaboration.
- Read-later & research
SuResearch
SuResearch surfaces newly published research papers and rewrites them as plain-English briefs for non-specialists.
- Read-later & research
Surf
Surf is an intelligent notebook that keeps your files, web pages and notes together and answers questions about them.
- Read-later & research
Surfboard
Surfboard is a private RSS reader that shows new posts in chronological order and collects no reading data, sold for a single payment.
- Read-later & research
Surfed
Surfed keeps a searchable record of your Safari browsing sessions and bookmarks on iOS, macOS and visionOS.
- Screenshots & capture
SurFlex Screen Recorder
SurFlex Screen Recorder records the screen on Windows and Mac and also offers a Chrome video downloader extension.
- Read-later & research
SwiftRead
SwiftRead is a speed reading app for web, browser extensions and mobile that shows text word by word to read faster.
- Notes & knowledge bases
SwiphtPapers
SwiphtPapers is a private Markdown notebook built around color-coded papers, with wiki links, a graph view and Vim mode.
- Read-later & research
Symbaloo
Symbaloo is an online bookmark manager where users organize favorite sites as tiles on a shareable homepage.
- Whiteboards & mind maps
SynapTree
SynapTree is a native Mac mind mapping app with an infinite canvas for organizing thoughts and planning projects.
- Read-later & research
Sysrev
Sysrev is a platform where teams review documents together and extract structured data from them.
- Notes & knowledge bases
SystemHub
systemHUB creates standard operating procedures with AI and templates, so owners can document and organize business processes.
- Read-later & research
Tab Space
Tab Space saves browser windows as sessions on Mac, syncs them through iCloud and jumps to any open or saved tab across browsers.
- Read-later & research
TabLinker
TabLinker saves full browser sessions from many browsers on Mac, restores them later and syncs them to iPhone and iPad.
- Read-later & research
Tabs to Links
Tabs to Links turns the open tabs in a Safari window into a list of links you can paste into email or footnotes.
- Notes & knowledge bases
Tackboard
Tackboard places colored sticky notes on a large zoomable canvas with boards, tags, drawing and reminders.
- Read-later & research
Taguette
Taguette is a free, open-source tool for tagging and analyzing text in qualitative research.
- Screenshots & capture
Tailor
Tailor detects overlapping screenshots of conversations, websites and emails and stitches them into one long seamless image on iPhone.
- Notes & knowledge bases
Taim
Taim is a second brain app for capturing thoughts and customer feedback in the moment and bringing them back when relevant.
- Notes & knowledge bases
Tana
Tana is a meeting platform where AI agents use the live transcript and work during native video calls.
- Notes & knowledge bases
Tangent Notes
Tangent Notes is a clean open-source notes app for Mac, Windows and Linux that links notes together.
- Whiteboards & mind maps
Tangent Whiteboard
Tangent Whiteboard is a shared online whiteboard for tutors and teachers, supporting Apple Pencil writing, image and PDF annotation, and per-student pages.
- Read-later & research
Tapestry
Tapestry combines blogs, social media and other feeds into one chronological reading timeline.
- Read-later & research
TapFold
TapFold collects links, reels, threads, videos and articles from other apps into one searchable shelf you can revisit.
- Screenshots & capture
TeacherPalette
TeacherPalette lets Mac users draw over their screen, highlight the cursor, and mark up PDFs on a multi-page whiteboard when explaining ideas.
- Read-later & research
TechnoDaily
TechnoDaily gathers Gmail newsletters, RSS feeds and YouTube channels in one reader that learns your preferences on device.
- Notes & knowledge bases
tela
Tela is an open-source Markdown team wiki with semantic search and a built-in MCP server so AI tools can read and write pages.
- Notes & knowledge bases
Telescopo
Telescopo is a Markdown reader for Mac, iPhone and iPad that renders diagrams, equations, tables and highlighted code, with Quick Look.
- Notes & knowledge bases
tetrify
tetrify lets you message yourself notes, tasks and habit entries, creating reminders from plain text, all stored locally.
- Notes & knowledge bases
Tettra
Tettra is an internal knowledge base that answers team questions from company docs, with Slack integration.
- Screenshots & capture
Text Grab
Text Grab is a Windows utility that copies any text visible on screen using OCR, free on GitHub.
- Notes & knowledge bases
TextDo
TextDo is a note-taking app that highlights titles and sections and lets you create tasks within notes.
- Whiteboards & mind maps
Textik
Textik is an editor for drawing text diagrams and charts to paste into emails, README files, and specifications.
- Screenshots & capture
TextSniper
TextSniper is a Mac app that captures any text on screen, including from images and videos, and copies it.
- Read-later & research
The Daily Me
The Daily Me saves Safari articles, writes short summaries, reads them aloud in natural voices and builds a daily briefing.
- 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.
- Notes & knowledge bases
The Meridian
The Meridian is a private workspace for collecting ideas, organizing knowledge and keeping learning, reading and long-term projects moving.
- Read-later & research
The Reading Room
The Reading Room is a private RSS reader for Mac, iPhone and iPad that follows writers on their own sites without an algorithm.
- Whiteboards & mind maps
TheBrain
TheBrain is a visual knowledge tool that links notes, files and web pages as connected thoughts in a map.
- Notes & knowledge bases
TheNote.app
TheNote.app lets you organize ideas in note threads and follow blogs and news sites through RSS agents, on web and mobile.
- Read-later & research
Theorem
Theorem is an open-source reader for EPUB, PDF and RSS on desktop and Android that exports highlights to Markdown.
- Whiteboards & mind maps
TheyDo
TheyDo is a customer journey management platform where teams map and share customer experience.
- Whiteboards & mind maps
ThinkMachine
Think Machine is a note-taking app that visualizes notes as connected 3D mind maps with AI help.
- Whiteboards & mind maps
ThinkSpace
ThinkSpace is a canvas where you turn what you explore with AI into your own map of ideas.
- Whiteboards & mind maps
Thoughtree
Thoughtree is a native mind map app for Mac, iPhone and iPad that opens iThoughts .itmz files and syncs with iCloud.
- Notes & knowledge bases
Thread Mark
ThreadMark is a local-first app for viewing and editing local Markdown files in a message board or chat-style layout.
- Read-later & research
Threadreader
Thread Reader unrolls Twitter threads into a single readable page so people can read and save long threads.