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
Social Archiver
Social Archiver builds a private, local archive of public or authorized posts that you choose to save.
- Notes & knowledge bases
Socratus
Socratus is an iOS notes app with structured notes, smart tables and AI connectivity through MCP integration.
- Whiteboards & mind maps
Software Ideas Modeler
Software Ideas Modeler is a diagram tool for UML, business process and architecture modeling.
- Whiteboards & mind maps
Soleil Clusters
Soleil Clusters is a shared canvas where film, photo and design teams collect references, videos, PDFs and files as a moodboard.
- Notes & knowledge bases
SoundNote
SoundNote records audio while tracking what you type and draw, so tapping a note plays the matching moment.
- Read-later & research
SourcePath
SourcePath is a local-first research workspace for Mac, iPad and iPhone that reads your own library files and traces its analysis to sources.
- Notes & knowledge bases
Sova
Sova is a company knowledge base where teams organize internal documentation, search it quickly, and get notified of changes.
- Screenshots & capture
Sowiks
Sowiks captures Mac screenshots and recordings, adds more than twenty annotation tools and turns the result into a shareable link.
- Notes & knowledge bases
SpeedNotes
SpeedNotes is a lightweight Mac Markdown notes app for capturing ideas fast and opening recent notes quickly.
- Notes & knowledge bases
Spirit Notes
Spirit Notes is a note-taking app for recording sermons, Bible study insights and Christian reflections.
- Screenshots & capture
Spoolscroll
Spoolscroll records your screen while you scroll in any iPhone app and stitches the frames into one tall image on the device.
- Read-later & research
Spreeder
Spreeder is a speed reading app that trains people to read faster and offers book summaries.
- Read-later & research
Sprink
Sprink collects posts you save from Instagram, TikTok, Pinterest and Reddit and sorts them into categories.
- Notes & knowledge bases
spudnote
spudnote is a free notepad and to-do widget app where each note appears as a growing plant, with reminders.
- Notes & knowledge bases
Squid
Squid is a handwritten note taking and PDF markup app for Android and Chromebooks.
- Read-later & research
Stache
Stache saves pages without clutter and adds highlights, notes, tags and favorites on iPhone, iPad and Mac.
- Read-later & research
Stackbox
Stackbox combines saved web articles and feed reading, with tags and highlights to organize what you want to come back to.
- Read-later & research
Stacks
Stacks downloads the Substack newsletters and podcasts you follow in full ahead of time so you can read offline on iPhone.
- Notes & knowledge bases
Standard Notes
Standard Notes is a note taking app with end-to-end encryption that syncs across devices, with free and paid plans.
- Notes & knowledge bases
StarNote
StarNote is a note-taking app that imports EPUB, PDF and Word files for highlighting, annotating and tagging, with planner templates.
- Read-later & research
Stashby
Stashby saves links from apps like YouTube and Instagram, sorts them with categories and tags, and lets friends co-manage collections.
- Read-later & research
Stashwise
Stashwise saves links, videos, podcasts and posts from any app and brings them into ChatGPT or Claude when needed.
- Read-later & research
stashy
Stashy saves links, photos, PDFs, notes and voice memos in one library, summarized and sorted by Apple's on-device model.
- Notes & knowledge bases
SteelNote
SteelNote is a native Markdown notes app for iPhone, iPad and Mac where each note is a plain file synced through iCloud.
- Notes & knowledge bases
Stenne
Stenne is a personal workspace for iPhone, iPad and Mac to write documents, build lists and databases, and import from Notion.
- Notes & knowledge bases
Stick
Stick is a native macOS sticky notes app with a freeform canvas, rich text editing, iCloud sync and a menu bar shortcut.
- Notes & knowledge bases
Stickers
Stickers is a sticky notes app for iPhone, iPad and Mac with colors, Markdown, photos and widgets.
- Notes & knowledge bases
Still
Still is a Mac notes app where every note is a plain Markdown file in a folder you choose.
- Screenshots & capture
Stillio
Stillio captures screenshots of web pages on a schedule and stores them as a dated archive for monitoring and records.
- Screenshots & capture
Stitch It
Stitch It combines screenshots vertically or horizontally with arranging, cropping and redaction tools on Mac, iPhone, iPad and Android.
- Screenshots & capture
Stitchi
Stitchi merges several screenshots into one long image on iPhone and iPad, detecting overlaps automatically with Apple Intelligence.
- Whiteboards & mind maps
StoriesOnBoard
StoriesOnBoard is a story mapping tool where product owners and analysts plan features, releases and specs.
- Read-later & research
Stork
Stork helps researchers track and read papers, then analyze, write and publish with AI support.
- Whiteboards & mind maps
Stormboard
Stormboard is an online whiteboard where teams brainstorm with sticky notes, organize ideas and turn them into plans and tasks.
- Whiteboards & mind maps
Stormz
Stormz is an online facilitation board for brainstorming and group decisions in workshops.
- Read-later & research
StowLink
StowLink is a native bookmark manager for Mac and iPhone for saving, organizing and quickly finding links.
- Whiteboards & mind maps
Strap
Strap is a Japanese online whiteboard for running remote meetings and mapping workflows.
- Whiteboards & mind maps
Strategyzer
Strategyzer provides step-by-step playbooks and tools for building strategy and business models.
- Read-later & research
Stream
Stream is a feed reader that merges all your subscriptions into one chronological timeline similar to a social feed.
- Notes & knowledge bases
Strflow
Strflow is a native Apple notes app where you capture notes and to-dos in a chat-like timeline, as if texting yourself.
- Read-later & research
SubFeeds
SubFeeds is an RSS reader for macOS and iOS that uses AI to summarize articles and recommend content based on your interests.
- Read-later & research
Sublime
Sublime is a tool for saving articles, links and ideas into a personal collection and revisiting them.
- Notes & knowledge bases
Subnotes
Subnotes is a free plain-text note app for iPhone, iPad and Mac where any line you write can become a to-do.
- Read-later & research
Summ-it
Summ-it turns saved links, forwarded emails, pasted text, PDFs and YouTube videos into audio you can listen to in full or summarized.
- Read-later & research
Summary Box
Summary Box reads your social and content feeds in your own browser and condenses them into short summaries so you skip the noise.
- Read-later & research
SummaryTube.com
SummaryTube creates AI summaries of YouTube videos so viewers can pull out key points without watching everything.
- Read-later & research
Summio
Summio gives structured AI summaries of catalogue books, public YouTube videos, articles and PDFs on web and iOS in 27 languages.
- Read-later & research
SumSpot
SumSpot summarizes long articles automatically as you open them in Safari, covering news, blogs, documentation and research.