No moat. Still in business.

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A fast shared wiki where teams keep documents, notes and project boards together.

Since 2016

Projects and tasks

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Generates searchable API docs from C++ code and Markdown pages, with optional hosting, for C++ teams.

Since 2021

Developer tools · Developers

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A company wiki where teams write, organise and search shared docs and policies, with search across linked tools.

Since 2020

Free plan · Notes and knowledge

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A Chrome extension that saves tab sessions into folders and searches open, saved and closed tabs, with paid sync across devices.

Since 2024

Free plan · Focus and productivity

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Write product documentation and user manuals in Markdown and publish them as a website, PDF or eBook.

Free plan · Website builders · Software companies

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A free knowledge base you run on your own server to publish help articles sorted into nested categories.

Free · Customer support

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A self-hosted forum with a shared library for clubs and communities who want discussions and know-how to stay findable.

Free · Communities and memberships

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Gets and renews free Let's Encrypt SSL certificates on cPanel shared hosting without command line work.

Free plan · Security and passwords

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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

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Save links, quotes and articles, then publish them as a public site or an email digest for subscribers.

Since 2026

Free plan · Newsletters · Individuals and families

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A support inbox where an AI agent drafts ticket replies and updates customer records, set up for Shopify stores.

Free trial · CRM and sales · Online sellers

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Coaches and consultants upload their documents and methods to build branded AI agents and workflows their clients can use.

Free plan · Automation and integrations · Agencies

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A wiki for SOPs, manuals and FAQs that sits in Microsoft Teams and answers staff questions from your own pages.

Since 2020

Subscription · Notes and knowledge

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Shared space where teams write docs and move the same pages across boards to track project status.

Free plan · Projects and tasks

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Saves videos, podcasts, PDFs and articles, summarises them, and lets you search and chat across what you saved.

Since 2022

Free plan · Notes and knowledge · Individuals and families

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A web bookmark manager with a browser extension that saves, sorts and shares the sites you want to keep.

Free plan · Notes and knowledge · Individuals and families

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Self-hosted archive that saves web pages, bookmarks, feeds and media as lasting files you can search later.

Free · Notes and knowledge · Individuals and families

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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

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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

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Searches your company's Slack, Drive, GitHub and other tools by permission and answers questions with links to the source.

Notes and knowledge

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Free self-hosted wiki that lets a team organise its documentation into shelves, books and pages.

Since 2022

Free · Notes and knowledge

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Help desk for SaaS companies with a shared inbox, knowledge base, AI replies and an in-app support widget.

Since 2024

Free plan · Customer support · Software companies

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A shared knowledge base for teams that flags stale docs and keeps company answers current for people and AI agents.

Since 2025

Free plan · Notes and knowledge

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Save links to read later from any browser, then browse the pile with keyboard shortcuts, summaries and audio.

Since 2026

Notes and knowledge · Individuals and families

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Q&A site and knowledge base that teams can host themselves to collect answers to common questions.

Free · Customer support

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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

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Adds AI answers, tooltips and a help widget to your app, drawn from your help docs, to cut support tickets.

Free trial · Customer support · Software companies

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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

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An open source home for your notes, links and files that tags them for you and finds them by what they mean, for idea collectors.

Free plan · Notes and knowledge · Individuals and families

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A Slack assistant that learns your company policies and answers staff questions, and helps onboard new hires.

Notes and knowledge

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A WordPress helpdesk plugin with support tickets, a knowledge base, a chatbot and AI help drafting replies.

Free plan · Customer support

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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

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WordPress plugin for building a help center knowledge base, using AI to draft docs and answer visitor questions.

Free plan · Customer support · Software companies

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Save links from your browser or phone into searchable shelves you can keep private or share.

Since 2026

Free · Notes and knowledge · Individuals and families

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Build a chat agent from your own docs and FAQs, test it, then put it on your site or WhatsApp to answer customers.

Free plan · Customer support

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Fast capture for screenshots, links, files and voice memos that AI sorts and labels for later, designed for people with ADHD.

Free plan · Notes and knowledge · Individuals and families

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Fixes the mixed content and insecure content warnings a WordPress site shows after it moves to HTTPS.

Website builders

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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

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Help desk that gathers email, chat, voice and social messages into one ticket queue, in the cloud or on your own servers.

Customer support

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Self-hosted docs and wiki software with templates, approval steps and read analytics for company know-how.

Free plan · Notes and knowledge

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WordPress plugin for writing and organising product docs, wikis and help centres, with search and an AI chatbot.

Free plan · Customer support

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A self-hosted knowledge base that serves Markdown files as searchable, editable docs for teams.

Free · Notes and knowledge

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Drop in papers, notes and transcripts and an AI agent files them into a cited, linked markdown wiki you keep.

Since 2026

Notes and knowledge · Individuals and families

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Help desk software for support teams, with a shared inbox, live chat, a knowledge base and a phone line in one place.

Customer support

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Helpdesk plugin that runs support tickets inside WordPress, with an AI bot that answers from your own pages first.

Free plan · Customer support

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Save links from any device into lists to open later, free with a low-cost yearly upgrade for tags and locks.

Free plan · Notes and knowledge · Individuals and families

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A WordPress plugin for publishing help docs and FAQs, with an AI chatbot and search that answer customer questions.

Customer support

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Help desk you install on your own servers, with a shared ticket inbox, a self-service article area and multi-brand support.

Free trial · Customer support