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
Markdown.md
Markdown.md is an offline Markdown reader and editor with diagrams, themes, GitHub import and export to PDF and HTML.
- Notes & knowledge bases
Marked QL
Marked QL renders Markdown previews in macOS Quick Look when you press Space in Finder, with math, Mermaid and syntax highlighting.
- Notes & knowledge bases
Markit
Markit is a native macOS Markdown editor and reader that renders as you type, including files written by AI tools.
- Notes & knowledge bases
MarkNote
MarkNote is a note-taking app with a text editor, document management and export to HTML, PDF or image across devices.
- Notes & knowledge bases
Marko
Marko is a free native Markdown viewer for Mac, iPad and iPhone that renders tables, code, Mermaid and math offline.
- Notes & knowledge bases
Markpane
Markpane is a macOS Markdown editor that opens folders you already have, with preview and Smart Views for project notes.
- Notes & knowledge bases
Markraft
Markraft is a floating Markdown notepad for Mac that stores notes as plain .md files and opens with a hotkey.
- Notes & knowledge bases
MarkRead
MarkRead is a Markdown reader for Mac, iPhone and iPad that keeps files on the device and offers scroll or page reading.
- Notes & knowledge bases
Marky Notes
Marky Notes is a simple Markdown notes app for Android and iOS with checkbox lists for to-dos and shopping.
- Notes & knowledge bases
Marten
Marten is a distraction-free notes app for developers with Markdown, code highlighting, project tabs and a Face ID locked vault.
- Notes & knowledge bases
MCP Notes
MCP Notes is a Markdown notes app for Mac, iPad and iPhone with on-device semantic search and a built-in MCP server for AI agents.
- Notes & knowledge bases
MD Flow
MD Flow lets you browse, preview and revisit folders of Markdown files on Mac, iPhone and iPad, with a file-first design.
- Notes & knowledge bases
mdisco
mdisco is a Markdown notes app for notes, todos, links and code with fast search and real-time collaboration, on iOS and Android.
- Notes & knowledge bases
MDReader
MDReader is a native Mac app that opens any Markdown file and renders it instantly with syntax highlighting, math and diagrams.
- Notes & knowledge bases
MDTree
MDTree is a Mac app that collects Markdown files from all your projects in one place for finding and writing notes.
- Notes & knowledge bases
MDViewer
MDViewer is a native macOS Markdown viewer with inline editing, Git history, Mermaid diagrams and syntax highlighting.
- Notes & knowledge bases
MediaWiki
MediaWiki is the free wiki software behind Wikipedia, used to build collaborative knowledge bases.
- Notes & knowledge bases
Mem
Mem is an AI note-taking workspace that organizes meeting notes, projects and knowledge so it is searchable.
- Notes & knowledge bases
Memo
Memo is a sticky notes app for iPhone, Mac and Apple Vision Pro that syncs notes across devices.
- Notes & knowledge bases
Memora
Memora is a voice-first second brain app that turns spoken or typed thoughts into an organized, searchable memory.
- Notes & knowledge bases
Memory Notes
Memory Notes records quick voice notes and answers questions from them, showing the note it used, and lets AI agents access your notes.
- Notes & knowledge bases
Memorypad
Memorypad is a Markdown notepad for quickly dumping thoughts, notes, reminders and ideas so you can keep focus on your work.
- Notes & knowledge bases
Memos
Memos is an open-source, self-hosted note-taking app for quickly saving short everyday thoughts.
- Notes & knowledge bases
Memotron
Memotron is an open-source personal knowledge app for notes, research and learning on web, iOS, macOS and Chrome.
- Notes & knowledge bases
Metis
Metis is a native local-first Markdown knowledge base for Mac, iPhone and iPad with linked notes, live preview and on-device AI.
- Notes & knowledge bases
MiaoYan
MiaoYan is a native Markdown notebook for Mac, iPhone and iPad that keeps notes as plain files in a folder.
- Notes & knowledge bases
Microsoft Loop
Microsoft Loop is a collaborative app for notes, tasks and shared pages that sync across Microsoft 365 tools.
- Notes & knowledge bases
Minbi
Minbi saves notes, links, photos, checklists, voice notes and reminders together in one place.
- Notes & knowledge bases
Mindchat
Mindchat is a notes app where you text yourself, and it spots times in a note such as a dentist visit and suggests a reminder.
- Notes & knowledge bases
Mindex
Mindex puts links, DOI articles, notes and code snippets on a visual map of cards that you group into projects.
- Notes & knowledge bases
MindForger
MindForger is a private Markdown notebook for ideas, plans and study notes that helps you connect and search knowledge.
- Notes & knowledge bases
MindMirror
MindMirror is a notes app where people drop thoughts, notes and files without folders, then ask questions and see connections between them.
- Notes & knowledge bases
Mindown
Mindown is an iPhone and iPad notes and lists app that links notes inside notes and syncs with Mac.
- Notes & knowledge bases
Mindscope 2
Mindscope lets you capture thoughts freely, then gather and organize them into hierarchical groups and visual structures.
- Notes & knowledge bases
Mindverse
Mindverse saves notes, photos, recordings and articles and uses on-device AI to find them, keeping data in open file formats.
- Notes & knowledge bases
Mintofu
Mintofu is an all-in-one app combining notes, tasks, PDFs, mind maps and a calendar, with private on-device AI.
- Notes & knowledge bases
Miraheze
Miraheze hosts free wikis without ads, letting groups create and manage their own wiki.
- Notes & knowledge bases
Mojo
Mojo is a Mac-first Markdown editor with dark mode, Spotlight support, auto-save and a live preview.
- Notes & knowledge bases
Moki
Moki is a Markdown viewer and editor for macOS and iOS with GitHub-style rendering, math and diagrams.
- Notes & knowledge bases
Moxn
Moxn is a knowledge base where teams edit docs and AI agents search, read and write them through MCP.
- Notes & knowledge bases
Musing Notes
Musing is a free private notes app for iPhone, Mac and Watch that recalls notes by place, time or a plain question.
- Notes & knowledge bases
MWeb
MWeb is a Markdown editor, note taker and static blog generator for Mac, iPad and iPhone.
- Notes & knowledge bases
Mybase
Wjjsoft makes freeform database and knowledge base software for organizing information on a computer.
- Notes & knowledge bases
MyInfo
MyInfo is a Windows organizer for notes, links, files, and to-dos, used to manage projects and collections.
- Notes & knowledge bases
MyMemo
MyMemo is a note app that saves knowledge and lets people chat with it using AI models.
- Notes & knowledge bases
MyNotesKeeper
MyNotes Keeper is a Windows note and outliner application for storing ideas, notes, and personal information in one place.
- Notes & knowledge bases
myResearchQuill
myResearchQuill is a research notebook for students that collects sources, cites them in ten styles and records lectures on Apple devices.
- Notes & knowledge bases
MyZettel
MyZettel is an infinite note canvas for fleeting, permanent and literature notes linked into a knowledge network.