No moat. Still in business.

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A shared POSIX file system for Linux and Mac servers that stores its data in S3 or other object storage, with no storage cluster to run.

Since 2015

Subscription · Developer tools · Developers

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Lets teams edit, test and send transactional email templates without code deploys, with A/B tests and analytics.

Since 2014

Subscription · Transactional email · Software companies

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Free desktop app that backs up your encrypted files onto friends' computers while you store theirs in return.

Since 2021

Free · Security and passwords · Individuals and families

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Email marketing app for sending newsletters, campaigns and automated sequences, built for teams that write together.

Since 2018

Free plan · Email marketing · Online sellers

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Desktop data analysis app where you ask about your data in plain English and get Python code, charts and notebooks run on your computer.

Since 2017

Data and spreadsheets

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Build and A/B test pricing tables for your website without code, with Stripe revenue insights.

Since 2024

Free plan · Website builders · Online sellers

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Tracks stocks, crypto, property and private investments across brokers, with returns analysis and data encrypted on your device.

Since 2024

Free plan · Money and budgeting · Individuals and families

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Handles in-app subscriptions for mobile apps, with a paywall builder, price tests and revenue reports for app teams.

Free plan · Payments and checkout · Developers

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Build popups, multi-step forms, quizzes and on-site widgets to collect leads and sales from website visitors.

Free plan · Forms and surveys

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Records visitor sessions on your site and uses AI to point out errors, rage clicks and drop-offs, alongside heatmaps.

Free plan · Website analytics

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A WordPress plugin for top bars and popups with countdowns, coupons and signup forms, plus click stats and A/B tests.

Free plan · Marketing and social

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Send large files and secrets through encrypted links that expire, carry passwords and show when the recipient downloads them.

Since 2025

Subscription · Documents and e-signature

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Lets app and game developers change settings and run A/B tests remotely, without shipping a new build or waiting for store review.

Since 2024

Developer tools · Developers

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Turn app features on or off and roll them out to chosen users without redeploying, with unlimited team seats.

Free plan · Developer tools · Developers

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Takes a WordPress plugin or theme back to an earlier release when an update breaks something, with logs and backups.

Free plan · Website builders

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Stores encrypted passwords, crypto keys and instructions and releases them to your chosen people if you stop checking in.

Since 2024

Free plan · Security and passwords · Individuals and families

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Design, send and measure email campaigns and push messages, with a WooCommerce plugin for online shops.

Free plan · Email marketing

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Feature flag service that lets software teams roll out, test and switch off features in production without redeploying.

Subscription · Developer tools · Developers

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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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Backs up files on Windows PCs and Macs as encrypted, versioned copies to a cloud account or disk that you own.

Free trial · Security and passwords · Individuals and families

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A no-code popup tool for shops and websites to collect emails, show offers and win back visitors about to leave.

Free plan · Marketing and social

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WordPress plugin for publishers to place, rotate, target and schedule ads from any network and track clicks.

Free plan · Marketing and social · Creators and writers

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A desktop app on top of rclone to browse, sync, mount, encrypt and back up files across 70 plus cloud storage services.

Since 2025

Free plan · Something else

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WordPress plugin for building popups and bars with display rules, A/B tests and email signup capture.

Marketing and social

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WordPress plugin that pins a floating button to blog posts so bloggers get more clicks on offers and contact links.

Free plan · Marketing and social · Creators and writers

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Feature flags and A/B tests that read results from your own data warehouse, for software product teams.

Free plan · Website analytics · Software companies

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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

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Add one script to your site for widgets like local pricing, exit offers and social proof to lift sales.

Since 2025

One-off payment · Marketing and social · Online sellers

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Copy text, links or files on one device and paste them on another, with end to end encryption.

Since 2025

Free plan · Focus and productivity · Individuals and families

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Cookie consent banners and consent records for websites and apps, so businesses meet GDPR and similar laws.

Free plan · Legal and compliance

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Lets marketing and design staff describe web app changes in plain English and get them as GitHub pull requests for engineers to review.

Since 2026

Free plan · Developer tools · Software companies

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A WordPress plugin for creating and changing user roles and permissions, with a Pro version that hides admin menus per role.

Subscription · Security and passwords

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Get an alert by email, Slack or SMS when your WordPress site throws an error, with the plugin, page and backtrace that caused it.

Free plan · Uptime and monitoring · Agencies

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WordPress plugin that copies and keeps posts in sync across sites in a multisite network, with many add-ons.

Website builders

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Send files and folders of any size straight to your own devices or to other people, with transfers that resume after drops.

Free · Something else · Individuals and families

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Self-hosted dashboard that lets agencies update, back up, secure and report on all their client WordPress sites.

Free plan · Uptime and monitoring · Agencies

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Back up a WordPress site or move it between hosts, including multisite and localhost setups.

Free plan · Website builders · Agencies

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Feature flags and remote config so software teams can release to user segments, run tests and switch features off fast.

Free plan · Developer tools · Developers

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A Mac clipboard history app with a Touch ID lock, encrypted history, text grabbing from images and reusable snippets.

One-off payment · Security and passwords · Individuals and families

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An iPhone, iPad and Mac app that sends files of any size as end-to-end encrypted links that recipients open in a browser.

Since 2026

Something else · Individuals and families

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Pools GPUs and CPUs from many cloud providers and your own servers so developers can run large data jobs in one place.

Since 2026

Developer tools · Developers

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Shows different text, popups or redirects to each WordPress visitor based on location, device or behaviour.

Free plan · Marketing and social

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Keeps environment variables and secrets for all your projects encrypted in one place and loads them from the terminal.

Since 2026

Subscription · Security and passwords · Developers

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Records what happens on your WordPress sites in a hosted log and sends alerts by email or Slack, built for agencies.

Free trial · Uptime and monitoring · Agencies

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Site analytics with split testing that shows which campaign, page or test version led to each sale, for online businesses.

Since 2026

Subscription · Website analytics

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Create branded short links and QR codes, track clicks and route visitors by device or country, for marketing teams.

Since 2026

Free plan · Marketing and social

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Build a pre-launch waitlist page where signups earn rewards for referring friends, with emails and A/B tests.

Since 2025

Free plan · Marketing and social · Online sellers

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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