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
Calibre
calibre is a free e-book manager that organizes, converts and reads books across devices.
- Notes & knowledge bases
Caliu
Caliu is a local-first Markdown notes app for Mac, iPhone, iPad, Android and web that works offline without an account.
- Screenshots & capture
CamStudio
CamStudio is a free open-source screen recorder for Windows that captures the desktop, windows or regions to video.
- Whiteboards & mind maps
Canvanizer
Canvanizer lets teams build business model canvases, SWOT diagrams and other brainstorming boards online.
- Screenshots & capture
Cap
Cap is an open source screen recorder for Mac, Windows and Linux that produces recordings with instant shareable links.
- Notes & knowledge bases
Capacities
Capacities is a note-taking and knowledge app that stores ideas as linked objects instead of files and folders.
- Notes & knowledge bases
Capd
Capd saves snippets, links and files on your Mac so you can search and find them again quickly.
- Screenshots & capture
Captix
Captix captures and annotates screenshots, records screen clips and creates secure cloud links on macOS, with 25 free credits monthly.
- Screenshots & capture
CaptureBar
CaptureBar is a Mac menu bar tool for screenshots and screen recordings, with presets, annotations, scrolling capture, GIF export and a color picker.
- Screenshots & capture
Capty
Capty is a Mac app for taking screenshots and recording the Mac screen and connected iPhone or iPad.
- Read-later & research
Capy Reader
Capy Reader is a small Android RSS reader that works with Feedbin, FreshRSS, Miniflux, and local feeds.
- Notes & knowledge bases
Carbonfin Outliner
CarbonFin Outliner organizes thoughts, tasks and projects as outlines and to-do lists on iPhone and iPad.
- Whiteboards & mind maps
Cardanit
Cardanit is a web tool for modeling, simulating and improving business processes.
- Whiteboards & mind maps
CardBoard
CardBoard is a story mapping whiteboard that stays in sync with Jira, Azure DevOps and Linear.
- Read-later & research
CarryOver
CarryOver saves links, text and images from the iPhone or iPad Share menu so you can review and research them later on a Mac.
- Read-later & research
Case Viewer
Case Viewer is a Mac, iPad and iPhone app for searching and reading court opinions in clean type with citations as live links.
- Read-later & research
CATMA
CATMA is a web tool for annotating and analyzing literary texts, with collaborative markup for scholars and students.
- Screenshots & capture
catu
catu is a Mac menu bar app for screenshots, screen recordings, clipboard history and dictation, with a web app for sharing and editing.
- Read-later & research
CDisplayEx
CDisplayEx is a light comic reader that opens cbr, cbz, PDF and manga files on Windows and Android.
- Notes & knowledge bases
Cerebro
Cerebro helps people capture, organize and connect ideas and insights, including those buried in long videos.
- Whiteboards & mind maps
Chalk
Chalk is a Mac drawing app for quick sketches and screenshot markup, with an integration that lets Claude draw diagrams on the canvas.
- Whiteboards & mind maps
Chalkdraw
chalkdraw is a native Mac whiteboard with a hand-drawn look for sketching flowcharts, architecture diagrams and mind maps.
- Read-later & research
ChatPDF
ChatPDF lets you upload a PDF and ask questions about it, getting summaries and answers drawn from the document.
- Notes & knowledge bases
Cheatsheet
Cheatsheet is a sticky-notes app for iPhone, iPad, Watch and Mac with icons and widgets for quick-recall notes.
- Screenshots & capture
Cheese!
Cheese! opens each Mac screenshot straight into an editor with annotation, blur, crop and background tools.
- Notes & knowledge bases
CherryTree
Giuspen is the site of CherryTree, a hierarchical note-taking application for Linux and Windows.
- Read-later & research
Chests
Chests collects links, videos and posts you share from any app into a single feed and read-later list on Apple devices.
- Read-later & research
Citation Machine
Citation Machine is a tool that formats citations and bibliographies in APA, MLA and Chicago styles.
- Read-later & research
Citation Styles
Citation Styles is a mobile bibliography manager for organizing the citations of academic papers quickly and simply.
- Read-later & research
Citations
Citations is a native app for iOS, iPadOS, macOS and visionOS that creates academic references in MLA, APA, Chicago, IEEE and Harvard.
- Read-later & research
Citationsy
Citationsy is a reference collection and bibliography tool for creating citations and reference lists.
- Read-later & research
Citatum
Citatum tracks your academic profiles across research services and exports cached papers to PDF or CSV on iPhone, iPad and Mac.
- Read-later & research
Citavi
Citavi is reference management software for students and researchers to collect sources, take notes and cite.
- Read-later & research
Cite This For Me
Cite This For Me is a tool that generates citations and bibliographies in Harvard, APA and MLA formats.
- Read-later & research
CiteDrive
CiteDrive is a BibTeX-first reference manager that works with Overleaf, RStudio and Quarto for collaborative writing.
- Read-later & research
Citefast
Citefast generates APA, MLA and Chicago citations and bibliographies for free.
- Read-later & research
Citewrite
Citewrite scans folders of papers on your Mac, builds a verified citation library and lets you explore research privately.
- Notes & knowledge bases
cl1p
Cl1p.net is a simple online clipboard for sending text between internet connected devices through a short custom URL.
- Screenshots & capture
Claquette
Claquette is a Mac app for capturing, editing and converting screen recordings and GIFs.
- Whiteboards & mind maps
Classroomscreen
Classroomscreen is an online board for teachers with timers, random pickers, drawing and other widgets to run a lesson.
- Read-later & research
ClawCast
ClawCast converts the newsletters and writers you follow into a short morning podcast read by AI voices.
- Screenshots & capture
Cleanmock
CleanMock turns screenshots into mockups inside device frames with custom backgrounds.
- Screenshots & capture
CleanShot X
CleanShot X is a Mac app for screenshots and recordings with annotation, scrolling capture and cloud sharing.
- Read-later & research
Clearly Reader
Clearly Reader is a reader mode extension offering text to speech, summaries, translation and custom themes for web articles.
- Screenshots & capture
Clip2Net
Clip2Net takes screenshots and uploads files to share them quickly by link on desktop and mobile.
- Read-later & research
Clipfile
Clipfile keeps the full text of articles from Safari on Mac and iPhone, lets you note why they mattered, and suggests folders.
- Read-later & research
Clippings.io
Clippings.io imports Kindle highlights and notes, lets people organize them and exports them to other apps.
- Screenshots & capture
CloudShots
CloudShots syncs screenshots between Mac, iPhone and iPad into one searchable history stored in your own iCloud.