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
Lilys AI
Readray, formerly Lilys, is a browser extension that summarizes videos, papers and web pages while you read.
- Screenshots & capture
Liminal
Liminal is a macOS utility for capturing, annotating and pinning screenshots that float above your desktop as references.
- Whiteboards & mind maps
Limnu
Limnu is an online whiteboard for drawing and brainstorming together with a team.
- Whiteboards & mind maps
Line9
Line9 turns pasted Mermaid code into a laid-out flowchart in the browser, free and without needing an account.
- Read-later & research
Link Pocket
Link Pocket is a private link inbox for iPhone, iPad and Mac where you save links now and attach a next step later.
- Read-later & research
Linkable
Linkable saves, tags and reads links on iPhone with a biometric lock, offline reader and share-sheet capture, plus a Mac menu bar companion.
- Read-later & research
LinkAce
LinkAce is a self-hosted, open-source bookmark archive for saving, tagging and organizing links over the long term.
- Read-later & research
Linkboard
Linkboard keeps saved bookmarks, articles and RSS feeds in one searchable, taggable place with AI features.
- Read-later & research
LinkBuckets
LinkBuckets lets you save, organize and quickly find links in one tidy home instead of a messy pile of bookmarks.
- Read-later & research
Linkding
linkding is a minimal, self-hosted bookmark manager with tags and fast search.
- Notes & knowledge bases
LinkEdit
LinkEdit is a local-first personal knowledge manager that works directly on a folder of Markdown notes on Mac and mobile.
- Read-later & research
Linkeeper
Linkeeper saves links from any app in one tap into an organized library, with imports from TikTok, Instagram, Pocket and browsers.
- Read-later & research
Linkinize
Linkinize is a bookmark manager for teams that tags, searches and shares saved links with colleagues.
- Read-later & research
LinkMan
LinkMan cleans link titles, suggests tags and pins your best links to the home screen on Apple devices.
- Read-later & research
LinkMark
LinkMark saves and organizes links across devices and uses AI to improve titles, descriptions and previews and write summaries.
- Read-later & research
Linkpack
Linkpack lets you save links through extensions or drag and drop, keeps them in sync across devices and share them.
- Read-later & research
Links
Links is a simple bookmark and link saving app for iPhone, iPad and Mac that syncs through iCloud.
- Read-later & research
LinkStock
LinkStock saves articles, videos, social posts and repositories from the iOS share sheet in one tap and helps you find them later.
- Read-later & research
LinkVault
LinkVault saves shared links, extracts title, image and summary, and keeps the article ready in a clean reader on Apple devices.
- Read-later & research
Linkwarden
Linkwarden is an open-source, self-hostable bookmark manager that saves, annotates and archives web pages.
- Read-later & research
LinkWell
LinkWell saves links in one tap, organizes them with folders and tags, works offline and has a browser extension.
- Read-later & research
Linkwise
Linkwise brings links, feeds and newsletters into one interface with AI search so you can recall what you read.
- Whiteboards & mind maps
Lino
lino is a web service for posting sticky notes, photos and memos on shared online boards.
- Read-later & research
linqlo
linqlo is a bookmark manager that gathers articles, research and design links in one place and lets you use them in ChatGPT.
- Notes & knowledge bases
Lionote
Lionote is a free, privacy-first notes app for desktop and mobile with handwriting, mind maps and local storage.
- Read-later & research
LiquidText
LiquidText is a document reading app for PDFs that lets people annotate, link and rearrange excerpts to analyze them.
- Read-later & research
Lire
Lire is an RSS reader app for Apple devices that collects and organizes feeds for reading.
- Screenshots & capture
Litho
Litho extracts text from iPhone screenshots on-device and saves it as a Markdown note in an Obsidian vault.
- Read-later & research
Litmaps
Litmaps helps students and researchers discover important papers and follow a field through dynamic citation maps.
- Notes & knowledge bases
Loam
Loam is a Markdown notes app with live formatting and real-time editing that you can share with people and AI agents.
- Notes & knowledge bases
Local AI Notes
Local AI Notes is an iPhone and Mac notebook that sorts notes by meaning and sets reminders from plain language, on-device.
- Read-later & research
LocalMarks
LocalMarks saves web pages for later reading and keeps everything on your device, with no accounts or cloud.
- Notes & knowledge bases
LocArk
LocArk is a local-first workspace with offline encrypted notes and a password vault, plus paid kanban boards and mind maps.
- Notes & knowledge bases
Lockbook
Lockbook is an open-source notes app for markdown and drawings, encrypted on the device and shared only with chosen people.
- Notes & knowledge bases
LockScreenNotes
LockScreenNotes puts a large, styled note on your iPhone Lock Screen so you can write or tick off to-dos without unlocking.
- Notes & knowledge bases
Locus
Locus is a free, offline Notion-style notes and docs app for Mac with a lifetime license option.
- Notes & knowledge bases
LogicalDOC
LogicalDOC is document management software for organizing, securing, searching and sharing business documents, offered as community and paid editions.
- Notes & knowledge bases
Lognote
Lognote is an offline-first notes app for iPhone, iPad and Mac that adds a timestamp to every entry, no account needed.
- Notes & knowledge bases
Logseq
Logseq is a privacy-focused open source app for outlining notes and linking ideas into a personal knowledge base.
- Screenshots & capture
Longshot
Longshot is a Mac tool for screenshots with OCR text recognition, scrolling capture, annotation, pinned screenshots and screen measuring.
- Notes & knowledge bases
Lorem
Lorem is a free local-first Markdown notes app for Mac, iPhone, iPad, Windows and Linux that needs no account.
- Notes & knowledge bases
Lucid-Notes
Lucid Notes is a Mac notes app with a transparent floating window and teleprompter for keeping notes visible during calls.
- Whiteboards & mind maps
Lucidchart
Lucidchart is an online diagramming tool for flowcharts and system maps that teams build with AI and data.
- Read-later & research
Luckynote
Luckynote collects reels, videos, articles and snippets you send it and brings them back later when they become relevant.
- Read-later & research
Lume by Frido
Lume by Frido is a free RSS reader for Apple devices that follows blogs and news, translates headlines and saves stories for later.
- Notes & knowledge bases
Lumeo. Your second brain
Lumeo is a second brain app that captures thoughts by voice, links them in a constellation view and turns them into ideas.
- Read-later & research
LumiList
LumiList turns the browser new tab into a bookmark manager with drag-and-drop boards, local-first storage and cloud sync.
- Notes & knowledge bases
MAI
MAI is a second brain notes app where you add notes by voice, record meetings with an AI notetaker and connect it to Claude.