No moat. Still in business.

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Google Sheets add-on that imports data from almost any API on a schedule, no code needed.

Since 2015

Free plan · Data and spreadsheets

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Holds copies of your software's source code and SaaS setup in escrow so customers can recover them if the vendor fails.

Since 2017

Subscription · Security and passwords · Software companies

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WordPress plugin for member sign up, login, profiles, directories and members-only content on your own site.

Free plan · Communities and memberships

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Open-source shared editor and headless CMS for writing technical docs, dev blogs and knowledge bases, with Git sync.

Notes and knowledge · Developers

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Gives you a forwarding address that turns email newsletters into ebooks and sends them to your Kindle, Kobo or reMarkable.

Since 2024

Free plan · Focus and productivity · Individuals and families

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A set of extra Elementor widgets such as sliders, pricing tables and product grids for building WordPress pages.

Free plan · Website builders · Agencies

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Booking software for tour and activity operators with payments, QR check-in and availability synced to over 70 OTAs.

Free trial · Scheduling and booking · Hotels and hospitality

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Sends automatic Instagram DMs when followers comment and grows a creator's email list from those chats.

Free plan · Email marketing · Creators and writers

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Runs memberships, billing and class bookings for CrossFit boxes, martial arts studios and small gyms.

Free plan · Practice management · Gyms and fitness

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Hosted Beancount books kept in Git, with bank imports and receipt inboxes, for people and small businesses tracking money.

Since 2022

Bookkeeping and accounting · Individuals and families

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A website chat widget that answers visitors with AI, hands off to staff and captures leads across WhatsApp and email.

Free plan · Customer support

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WordPress plugin that puts post images into your RSS feed so RSS-to-email newsletters and feed readers show them.

Free plan · Newsletters · Creators and writers

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Turns a Postgres or MySQL database, or a new one, into a shared spreadsheet with kanban, form and gallery views.

Since 2021

Free plan · Data and spreadsheets

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CAPTCHA and bot blocking that stops scrapers, fake signups and account takeover on forms, APIs and full sites, explaining each block.

Free plan · Security and passwords

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Connects to your SaaS tools to handle staff access requests, reviews and removals, with an agent doing the routine work.

Since 2024

Security and passwords · Software companies

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Free open source desktop tool that plots millions of table rows visually so analysts can spot outliers and odd patterns.

Since 2024

Free · Data and spreadsheets

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Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.

Since 2023

Data and spreadsheets

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Markdown note app for every device that stores plain files and syncs through Git, GitHub, iCloud or your own server.

Since 2024

Notes and knowledge · Individuals and families

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An editing dashboard for Markdown and MDX kept in your GitHub repo, so clients can update static sites without Git.

Since 2022

Free plan · Website builders · Agencies

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Mac app that runs your own AI prompts on selected text, screenshots or voice from any app by keyboard shortcut.

Since 2023

One-off payment · Focus and productivity · Individuals and families

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A free desktop app for editing Hugo static websites on your own computer and publishing them through Git.

Since 2023

Free · Website builders · Creators and writers

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Security teams build automated response workflows and agents, and track incidents as cases, self-hosted or managed.

Security and passwords · Software companies

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Mac app that opens a floating note on a shortcut so you can jot a thought, saved as a local markdown file.

Free · Notes and knowledge · Individuals and families

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A simple self-hosted wiki that stores markdown pages in git, with file attachments and full page history.

Free · Notes and knowledge

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Write one sentence about the page you want and get a mobile friendly HTML file to tweak, download or put online, free and without signup.

Since 2024

Free · Website builders

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Connects your business apps through prebuilt automations you switch on in a click, a cheaper alternative to Zapier.

Free plan · Automation and integrations

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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

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Lets non-technical staff view, edit and query Postgres tables in a spreadsheet-style screen, using the database's own permissions.

Free · Data and spreadsheets

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Desktop app for Mac and Windows that stores your SVG icon sets, searches open icon libraries offline and exports them as code.

Free trial · Design and images · Developers

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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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Visual canvas where teams arrange repos, notes, links and people for a project and work on it together live.

Projects and tasks · Software companies

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Build surveys, polls and quizzes inside WordPress and keep every response on your own site.

Free plan · Forms and surveys

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Guides small startups through SOC 2 and ISO 27001 audits with a task list and evidence pulled from their cloud tools.

Since 2026

Subscription · Security and passwords · Software companies

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Open-source AI analyst for data teams that links any LLM to company data and answers questions in a web app or Slack.

Since 2025

Data and spreadsheets

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Task tracker for product teams that adds a public board where users vote on ideas and follow the roadmap and changelog.

Free plan · Projects and tasks · Software companies

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A WooCommerce plugin that records abandoned carts and sends email, SMS or push reminders to win back the sale.

Free plan · Email marketing · Online sellers

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A self-hosted CMS in one Go binary with built-in SEO, forms, AI crawler analytics and a WordPress importer.

Since 2026

Website builders

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A desktop task manager that keeps tasks, habits and goals in plain org-mode files, with an AI assistant and git sync.

Since 2026

Projects and tasks · Individuals and families

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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 that shows recent sales, reviews and signups as small popups to build trust on your site.

Free plan · Marketing and social · Online sellers

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Sends email and WhatsApp campaigns and abandoned cart reminders for online stores, with signup forms and coupons.

Free plan · Email marketing · Online sellers

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A note app on an endless canvas with nested pages, Markdown, sketching and live collaboration, for people who think visually.

Since 2025

Subscription · Notes and knowledge · Individuals and families

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Runs scheduled SQL checks on Postgres and ClickHouse and alerts your team when data goes missing, stale or wrong.

Since 2025

Free plan · Uptime and monitoring · Developers

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One query checks Tor search sites, GitHub and threat feeds and returns actors, leaked logins and IOCs for security analysts.

Since 2026

Free plan · Security and passwords

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WordPress plugin that links your plugins and outside apps with trigger and action recipes, plus an AI assistant to build them.

Free plan · Automation and integrations

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Lightweight project tracker with boards, Gantt charts and GitHub links for software teams that would rather ship.

Subscription · Projects and tasks · Developers

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A Mac app that fixes English grammar and tone as you type in any app and explains each fix in your own language.

Since 2026

Free plan · Something else · Individuals and families

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A WordPress plugin for building subscriber lists and sending newsletters and automatic emails from your own site.

Free plan · Email marketing · Online sellers