No moat. Still in business.

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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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Runs automated tests against your APIs and websites after each deploy and on a schedule, with alerts on failure.

Since 2016

Uptime and monitoring · Developers

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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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Deploys Docker Compose apps from GitHub to your own Linux servers on each push, with domains, logs and backups.

Developer tools · Developers

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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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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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An Android app that keeps your two-step login codes in an encrypted vault, with backups and import from other apps.

Free · Security and passwords · Individuals and families

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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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Free offline notebook app that keeps notes on your device with themes, PDF export and one-click backups, no account required.

Free · Notes and knowledge · 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 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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Hosted service that runs scripted HTTP API tests on a schedule or in CI so teams know their endpoints still work.

Since 2024

Uptime and monitoring · Developers

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A self-hosted panel for running game servers in Docker containers, for friends' groups or hosting companies.

Free · Developer tools · Software companies

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A friendly client for sending and testing HTTP API requests, available in the browser, as a desktop app and in the terminal.

Developer tools · Developers

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Runs and manages databases on Kubernetes, covering provisioning, scaling, backups and upgrades for platform teams.

Developer tools · Developers

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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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Connect your cloud servers and deploy, back up and manage WordPress, PHP and Node.js sites from a single dashboard.

Free plan · Developer tools · Agencies

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Edit your WordPress site's .htaccess file from the admin area, with backups, a test step and ready-made snippets.

Free plan · Developer tools · Agencies

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Offline Windows app for developers that gathers .http and .rest request files from their projects and lets them run and check each call.

Since 2026

One-off payment · Developer tools · Developers

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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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An offline desktop app for designing, testing and documenting APIs as Markdown files kept in your Git repo.

Since 2025

Developer tools · Developers

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Puts apps built with AI coding agents online with a sign-in, database and backups, so teams can share and use them.

Since 2026

Free plan · Developer tools · Developers

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Hosts PocketBase backends with deploy on push, backups and custom domains at a flat price, for indie developers and freelancers.

Since 2026

Subscription · Developer tools · Agencies

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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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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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Backs up WordPress sites off server as changes happen, with one click restores, staging copies and host migrations.

Subscription · Website builders

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Alerts you by email, Slack or a ticket when a cron job, backup or pipeline misses its expected check-in.

Since 2026

Free plan · Uptime and monitoring · Developers

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A control panel for your own server that deploys apps from Git, runs databases and handles SSL and backups.

Developer tools · Agencies

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Keeps API specs, mock servers, tests and published docs in step from a single spec, for software teams.

Since 2026

Free plan · Developer tools · Developers

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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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Backs up your servers, Postgres, MySQL and MongoDB databases, Docker volumes and Kubernetes on a schedule into S3 storage you control.

Free plan · Developer tools · Agencies

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Schedules and monitors backups of your servers, databases, cloud storage and SaaS tools into storage you choose.

Developer tools · Agencies

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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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Runs API, interface and security checks on each pull request and reports genuine failures, so engineering teams catch bugs before merge.

Since 2025

Developer tools · Developers

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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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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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A native Mac app for developers to set up local mock endpoints, inspect incoming requests and test webhooks and API failures.

Since 2026

Developer tools · Developers

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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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Dashboard for agencies to update, back up, scan and monitor many WordPress and Joomla client sites from one place.

Free plan · Uptime and monitoring · Agencies