nomoat / Categories / Notes and knowledge software
Notes and knowledge software
Small, specific notes and knowledge tools, ready to use today. 496 products listed. Of these, 294 have a free plan, 52 sell for a one-off price, 11 carry proof such as verified revenue, update history or uptime.
- GYST
Collect links, screenshots, notes and files on a visual board, connect them with tags, and ask AI questions about them.
Since 2025
Free plan · Notes and knowledge · Individuals and families
- HackMD
Shared Markdown notes and docs that a team and its AI agents can write and edit together in real time.
Free plan · Notes and knowledge · Developers
- Handled
Calm day planner that gathers tasks, notes, saved links and calendar events on one screen across iPhone, iPad and Mac.
Notes and knowledge · Individuals and families
- Heda
Discord bot that records voice calls and gives back a transcript, summary and action items for each meeting.
Since 2025
Free trial · Notes and knowledge · Developers
- HedgeDoc
Self-hosted markdown editor where teams write notes, diagrams and slides together in real time.
Free · Notes and knowledge
- HelixNotes
A notes app that saves plain Markdown files on your own disk, with tasks, links and optional sync.
Since 2026
Free · Notes and knowledge · Individuals and families
- Helpie KB
WordPress plugin for building a wiki, help centre or team knowledge base with frontend editing and access control.
Free trial · Customer support
- hibi
Writing app for drafts, papers and notes kept as local files, with Markdown, Typst and LaTeX preview.
Since 2026
Subscription · Notes and knowledge · Individuals and families
- Highlights
A PDF reader for researchers that turns your annotations into notes you can send to Bear, Evernote or Markdown.
Free plan · Documents and e-signature · Individuals and families
- Hister
Self-hosted search engine that indexes the pages you visit and your files so you can find them again.
Free · Notes and knowledge · Individuals and families
- Histiq
A Chrome and Edge extension that finds pages and PDFs you read before by what they said, all on your device.
Since 2026
One-off payment · Notes and knowledge · Individuals and families
- Hookmark
A Mac app that copies clean links to files, emails, tasks and pages so you can jump back to them without searching.
Free plan · Notes and knowledge · Individuals and families
- HyNote
Records meetings, audio, PDFs or YouTube links and turns them into transcripts, summaries and action items.
Free plan · Notes and knowledge
- I, Librarian
Web app for research groups to store, search and annotate PDF papers and pull references from academic databases.
Documents and e-signature · Schools and tutors
- iA Writer
Focused writing app with a clean Markdown editor, for writers who want fewer distractions.
Free trial · Notes and knowledge · Individuals and families
- IceCubes
Transcribes Meet, Zoom and Teams calls from the browser and writes summaries and action items, with no bot joining.
Since 2026
Free plan · Notes and knowledge
- IdeaTracker
Web and mobile app for collecting ideas and turning them into plans with notes, tasks, milestones and boards.
Projects and tasks · Individuals and families
- Ideon
Visual canvas where teams arrange repos, notes, links and people for a project and work on it together live.
Projects and tasks · Software companies
- Ikes
A place to save ideas, quotes and images as tagged, colour-coded cards so you can find them again later.
Free plan · Notes and knowledge · Individuals and families
- Infoplane
Stores the small facts you need to find later, like policy numbers and license keys, with quick search and Siri.
Notes and knowledge · Individuals and families
- Inkdrop
A Markdown notes app for developers with encrypted sync, plugins and an API that coding agents can use.
Subscription · Notes and knowledge · Developers
- Inkpad Notepad
A plain notes app for jotting lists and thoughts, synced between web, iPhone and Android, with keyword search.
Free plan · Notes and knowledge · Individuals and families
- Inkwell
Fast offline Markdown editor for Windows, Mac and Linux, free to use with a one-time Pro licence for PDF and HTML export.
Since 2026
Free plan · Notes and knowledge · Individuals and families
- Instant Note for Notion
Send quick notes into a Notion database from your lock screen or a widget, with tags and offline support, on iOS and Android.
Free plan · Notes and knowledge · Individuals and families
- Intro
iPhone app that keeps notes and descriptions with your contacts so you can recall who someone is and where you met.
Notes and knowledge · Individuals and families
- IT Portal
Stores IT documentation, passwords, devices and procedures in one place for internal IT teams and managed service providers.
Security and passwords · Health and clinics
- Itsypad
Mac scratchpad and clipboard history you open with a hotkey, with tabs, syntax colouring and iCloud sync.
Free · Notes and knowledge · Individuals and families
- Joplin
Note-taking app for desktop and phone that syncs your notes, with a web clipper and optional paid cloud sharing.
Free · Notes and knowledge · Individuals and families
- Jot
Mac menu bar app that saves a quick thought from any app with one hotkey into a local log you can search.
Since 2026
One-off payment · Notes and knowledge · Individuals and families
- Jot
Encrypted notes app that stores everything on your device and includes a local AI helper, with no account needed.
Since 2026
Free · Notes and knowledge · Individuals and families
- Jot
Write or sketch quick notes and to-dos and pin them as widgets on your iPhone or iPad home and lock screen.
Notes and knowledge · Individuals and families
- Jotaid
Note app for Mac and iPhone that connects your notes by concept and groups them into themes on a canvas.
Free plan · Notes and knowledge · Individuals and families
- Jotter
Save quotes, ideas and lessons as short notes and have them brought back through reminders and widgets so you remember them.
Notes and knowledge · Individuals and families
- JotterPad
Writing editor for Markdown and Fountain scripts that formats papers, books and screenplays, with cloud drive sync.
Free plan · Documents and e-signature · Creators and writers
- Jotty
Self-hosted notes and checklists app that keeps everything as Markdown files on your server, with kanban boards.
Free · Notes and knowledge · Individuals and families
- Journaling
Free web journal with mood tracking, streaks and AI summaries of your emotional patterns over time.
Since 2024
Free · Notes and knowledge · Individuals and families
- Journey
A diary app for keeping journal entries with photos, places and a calendar, usable on phone, desktop and web.
Notes and knowledge · Individuals and families
- Journo
You speak your thoughts aloud and this iPhone app keeps the audio and turns it into a readable journal entry.
Free plan · Notes and knowledge · Individuals and families
- JumpRoot
A note-taking web app where notes sit in nested trees you can drag around, search and export as JSON.
Since 2019
Free plan · Notes and knowledge · Individuals and families
- JustMD
Free Mac editor for Markdown files that shows syntax only on the line you are editing.
Free · Notes and knowledge · Individuals and families
- Justnote
Simple note app focused on privacy, free to use, with a low yearly plan that adds tags, locked notes and dark mode.
Free plan · Notes and knowledge · Individuals and families
- Karakeep
Bookmark manager that saves links, notes, images and PDFs, tags them with AI and makes them searchable.
Notes and knowledge · Individuals and families
- Keen Bean
Mac app that listens to your meetings and writes tasks, decisions and first drafts into folders you pick.
Since 2026
Subscription · Notes and knowledge · Freelancers
- Keeplea
A phone app that reads photos of labels, paint tins and wifi cards so you can ask for the details later in plain words.
Since 2026
Free plan · Notes and knowledge · Individuals and families
- Kept
Quick colourful notes and checklists on phone and web, which you can host yourself or sync through their cloud.
Notes and knowledge · Individuals and families
- Kite
A Mac app that shows Markdown files formatted in Finder Quick Look and lets you edit them in place, sold for a single payment.
Since 2026
One-off payment · Notes and knowledge · Individuals and families
- Klib
Mac app for readers that collects highlights and notes from Kindle, WeRead and Apple Books to browse, print or send to Evernote.
Free · Notes and knowledge · Individuals and families
- Knodo
iPhone app to note down things you learn while reading or listening, by voice or photo, then have AI fill in background on each.
Free plan · Notes and knowledge · Individuals and families
- Komihåg
An iPhone app that turns text you select and share into flashcards, shown on your home and lock screen.
Since 2025
Courses and learning · Individuals and families
- Kontxt
Turns what your team reads and highlights into shared memory that AI assistants and agents can draw on, with permissions.
Free plan · Notes and knowledge · Software companies
- Kynso
A daily planner and journal where you plan the day's tasks, write a note, and unfinished items carry over to tomorrow.
Free plan · Notes and knowledge · Individuals and families
- Leafovers
A Chrome extension that pins sticky notes to any web page and keeps them in one searchable notebook across visits.
Since 2025
Free plan · Notes and knowledge · Individuals and families
- Lecture to Book
Converts a recorded lecture into a chaptered book with the class figures, readable online or as PDF or ePub, for students.
Since 2026
Pay as you go · Courses and learning · Individuals and families
- Ledge
Notes app for developers and ops engineers where shell, code, SQL and prompt blocks in Markdown run in place and print results below.
Since 2026
Free · Developer tools · Developers
- Life Metro
An iPhone planner that keeps tasks, events and notes in projects on a timeline so you can review and plan the next step.
Free plan · Notes and knowledge · Individuals and families
- Life Note
A journaling app where AI replies to your entries in the voice of famous thinkers to help you reflect.
Notes and knowledge · Individuals and families
- Lighthouse
A reading inbox that gathers blogs, newsletters and sites so software professionals can quickly keep only the useful articles.
Since 2024
Free plan · Notes and knowledge · Individuals and families
- linkding
A small self-hosted bookmark manager for saving, tagging, archiving and searching links, with browser extensions.
Free · Notes and knowledge · Individuals and families
- Linkinize
A browser extension that lets a team tag, search and share bookmarks in common workspaces so new staff find links quickly.
Free plan · Notes and knowledge
- Linkly AI
Indexes the documents, images and web clips on your computer so you and your AI assistants can search and read them.
Since 2026
Notes and knowledge · Individuals and families
