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.
457 tools in Notes & knowledge bases · A to Z, so position is not a ranking
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Notes & knowledge bases
Supernotes
Supernotes is a note taking app built around linked notecards with markdown, images and collaboration.
- Notes & knowledge bases
SwiphtPapers
SwiphtPapers is a private Markdown notebook built around color-coded papers, with wiki links, a graph view and Vim mode.
- Notes & knowledge bases
SystemHub
systemHUB creates standard operating procedures with AI and templates, so owners can document and organize business processes.
- Notes & knowledge bases
Tackboard
Tackboard places colored sticky notes on a large zoomable canvas with boards, tags, drawing and reminders.
- 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.
- 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.
- Notes & knowledge bases
TextDo
TextDo is a note-taking app that highlights titles and sections and lets you create tasks within notes.
- 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.
- 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.
- 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.
- 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.
- Notes & knowledge bases
Tiki Wiki
Tiki is an open-source web application that combines a wiki, forums, blogs and project tools in one package.
- Notes & knowledge bases
Tiny Notes
Tiny Notes is a mobile notes app that locks private notes and passwords behind a password, with unlimited notes.
- Notes & knowledge bases
TLDL
TLDL records lectures and turns them into notes, quizzes, flashcards and mind maps that classmates can share.
- 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.
- Notes & knowledge bases
Tot
Tot holds a few small text documents on Mac, iPhone, iPad and Apple Watch for quick capture and editing.
- 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.
- 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.
- 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.
- Notes & knowledge bases
UpNote
UpNote is a notes app with a clean interface for writing and organizing notes across mobile and desktop devices.
- Notes & knowledge bases
Vanta
Vanta is an iPhone app for Markdown notes and GTD next actions, with AI that runs entirely on the phone.
- Notes & knowledge bases
Vault Reader
Vault Reader is a native iOS app for reading Markdown notes kept in GitHub, such as Obsidian vaults, dev docs and journals.
- 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.
- Notes & knowledge bases
Venation
Venation analyzes your notes and documents to find missing links, bridge notes and contradictions, with explainable suggestions.
- Notes & knowledge bases
VNote
VNote is a free open-source Markdown note-taking app focused on privacy for writing and organizing notes.