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Notes and knowledge software for developers
Notes and knowledge tools made for developers. 60 products listed. Of these, 38 have a free plan, 9 sell for a one-off price.
- Basic Memory
Keeps notes and decisions in Markdown files that AI assistants and your team can read and update over MCP.
Since 2025
Free plan · Notes and knowledge · Developers
- Callimachus
Builds one local, searchable index of your chats with Claude Code, Cursor, Codex and other coding agents.
Since 2026
Free plan · Developer tools · Developers
- ContextVault
A shared memory store that lets a team's AI assistants save and reuse knowledge across sessions and tools.
Since 2026
Free plan · Developer tools · Developers
- Dexio
A hosted wiki that Claude, ChatGPT, Cursor and other AI agents share through MCP, so people can see and edit what the agents know.
Free plan · Developer tools · Developers
- DocuMemory
Saves what you work out in AI chats as searchable documents that Claude, ChatGPT, Cursor and other MCP tools can read later.
Since 2026
Free plan · Notes and knowledge · Developers
- Downright
A native Mac app to read and edit Markdown files, preview them in Finder and review changes made by coding agents.
Free · Notes and knowledge · Individuals and families
- Dump
A shared board of links, notes and briefs that teammates and AI chat tools can all read as project context.
Since 2026
Free plan · Notes and knowledge · Developers
- Imark
A Mac app for reading Markdown files as clean documents, making quick line fixes and leaving margin notes for coding agents.
Free · Notes and knowledge · Individuals and families
- memsprout
Team members record their knowledge once and an MCP server passes it to ChatGPT, Copilot, Cursor and Claude Code as shared context.
Since 2026
Subscription · Developer tools · Developers
- Moxn
Shared docs workspace where people and AI agents write together, with branches and reviewable edits.
Since 2026
Free plan · Notes and knowledge · Developers
- Nimbalyst
A desktop workspace and agent-written wiki for people using Claude Code or Codex, keeping tasks, docs and decisions in one place.
Since 2025
Free plan · Developer tools · Developers
- Nodea
Chat with Claude on a canvas where any reply can be forked into its own branch and compared side by side.
Since 2026
Free plan · Notes and knowledge · Individuals and families
- NoteDiscovery
A free markdown notes app you run on your own server, with wikilinks, a graph view, diagrams, math and an MCP link for AI tools.
Free · Notes and knowledge · Individuals and families
- OCR Buddy
Free Chrome extension that pulls text, code, math and tables from part of a page offline and saves pages as Markdown for LLMs.
Since 2026
Free · Developer tools · Individuals and families
- Oxynote
A self-hosted wiki for engineering teams where pages embed live Prometheus and SQL charts and edits are reviewed like pull requests.
Since 2026
Free · Developer tools · Developers
- Papez
Keeps one memory of what you tell AI assistants so ChatGPT, Claude and coding tools can all recall it, and you can edit it.
Since 2026
Free plan · Notes and knowledge · Individuals and families
- Segue
Keeps an ML project's decisions, evidence and next steps in a brief that Claude, ChatGPT or Cursor can load and update.
Since 2026
Free plan · Developer tools · Developers
- Starcat
Mac app for developers that indexes their starred GitHub repos, tags and summarises them with AI, and tracks new releases.
One-off payment · Developer tools · Developers
- StrataSpace
Markdown document editor where teams and AI agents like Claude and ChatGPT write together live, with presentations and blog publishing.
Since 2026
Free plan · Documents and e-signature · Developers
- Vexa
API that sends a bot into Meet, Teams or Zoom calls and streams speaker-labelled transcripts, self-hosted or in their cloud.
Since 2024
Free plan · Developer tools · Developers
- Writer
A small, fast Mac app for writing and browsing markdown notes stored in your own folders.
Since 2026
Free · Notes and knowledge · Individuals and families
- AutEng Docs
A writing space for engineers to draft technical docs with Markdown, Mermaid diagrams and math, with AI help on specs.
Since 2026
Developer tools · Developers
- Cache
A notes and tasks app that keeps plain Markdown files on your devices and syncs them through any Git host you choose.
Notes and knowledge · Individuals and families
- Caret
Desktop Markdown editor with autocomplete, multiple cursors and quick file jumping.
Since 2015
One-off payment · Notes and knowledge · Individuals and families
- CodeSummary
Reads your code repository and builds reviewed documentation for your team, customers and coding agents over MCP.
Since 2025
Free trial · Developer tools · Developers
- CoreMem
Stores your preferences and notes once so any AI tool or agent can load them, with you approving each change.
Since 2026
Free plan · Notes and knowledge · Individuals and families
- EventCatalog
Self-hosted catalog where engineering teams document services, events, schemas and domains of a distributed system.
Since 2022
Developer tools · Developers
- FSNotes
An open-source Mac and iPhone notes app that keeps Markdown as plain files, syncs over iCloud and backs up to Git.
Notes and knowledge · Individuals and families
- GitWriter
iPhone Markdown editor for writers that saves and versions their files in GitHub repositories.
Since 2026
Free · Notes and knowledge · Creators and writers
- Glyph
A Mac app for writing and linking plain Markdown notes in your own folders, with boards, tables and optional AI help.
Since 2026
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
- 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
- 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
- Inkdrop
A Markdown notes app for developers with encrypted sync, plugins and an API that coding agents can use.
Subscription · Notes and knowledge · Developers
- 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
- 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
- JustMD
Free Mac editor for Markdown files that shows syntax only on the line you are editing.
Free · 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
- 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
- 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
- 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
- Markdown Buddy
A Mac app for previewing and editing Markdown, with a folder tree, broken link checks, Finder previews and Word or PDF import.
Since 2026
One-off payment · Notes and knowledge · Individuals and families
- Markpad
A light tabbed markdown editor and viewer for the desktop with live preview, maths, diagrams and Vim keys.
Since 2026
Free · Notes and knowledge · Individuals and families
- MarkViewer
Free offline Mac app to open, read and edit Markdown files, with a table of contents and AI review notes.
Free · Notes and knowledge · Individuals and families
- Memos
A self-hosted place to jot quick markdown notes in a personal timeline, keeping each private or shared.
Notes and knowledge · Individuals and families
- Moment
A shared Markdown editor where teams and coding agents write documents and build small internal tools stored in git.
Developer tools · Developers
- Moxie Docs
Keeps documentation in GitHub repos in step with the code and shares that context with teammates and AI coding agents.
Since 2026
Free plan · Developer tools · Developers
- MWeb
Markdown app for Mac and iOS to write, keep notes and publish them as a static blog.
One-off payment · Website builders · Individuals and families
- OpenMarkdown
A quick-starting desktop editor for plain Markdown files that you can also hand to coding agents for writing prompts.
Since 2026
Free plan · Notes and knowledge · Individuals and families
- Paper
A terminal journal where developers log a line a day about their work, with an AI coach that helps at review time.
Free plan · Notes and knowledge · Developers
- Publish Markdown
Write markdown and share it as a web page with custom links, passwords, expiry and an API.
Since 2025
Free plan · Documents and e-signature · Creators and writers
- Raindrop.io
Save and organise links, articles and videos into collections with tags, highlights and full text search.
Since 2014
Free plan · Notes and knowledge · Individuals and families
- Read.md
Opens Markdown files on phone, tablet or Mac and shows tables, code and diagrams cleanly, with paid PDF export.
Free plan · Notes and knowledge · Individuals and families
- SageOx
Records team discussions and decisions so AI coding agents can draw on them before writing code.
Since 2026
Developer tools · Developers
- Sarala
Desktop Markdown editor that shows the formatted page as you type, with diagrams, math and an optional AI helper.
Since 2026
Free · Notes and knowledge · Individuals and families
- SyncMark
Real time editor where teams write shared markdown files together, see each other's cursors and keep past versions, no Git needed.
Since 2026
Notes and knowledge
- Typora
A desktop Markdown editor that hides the syntax and shows formatted text as you type, sold for a one-off fee.
One-off payment · Notes and knowledge · Creators and writers
- Vrite
Open-source shared editor and headless CMS for writing technical docs, dev blogs and knowledge bases, with Git sync.
Notes and knowledge · Developers
- Webklip
Shared online clipboard that syncs text and files between your devices through a private link that expires, no account required.
Since 2026
Free · Notes and knowledge · Individuals and families
- Wire
Gives your AI agents one shared store of files and context they can all read and write through an MCP link.
Since 2026
Subscription · Developer tools · Agencies