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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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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Desktop app for developers to browse, edit, query, import and export Firebase Firestore data on Mac, Windows or Linux.

Since 2021

Subscription · Developer tools · 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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Phone app that scans and makes QR codes and barcodes, keeps a searchable history and exports scans to CSV.

Free · Something else · Individuals and families

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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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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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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 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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Chrome extension to build checklist templates, run them against any web page and keep a history of pass and fail results.

Since 2026

Free · Projects and tasks

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A Chrome extension that pulls people and company profiles from any web page into lead lists you can export.

Since 2025

CRM and sales

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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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Wi-Fi analysis and site survey app that makes coverage heatmaps and helps plan wireless networks.

Free plan · Developer tools

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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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A browser extension that pulls lists and page details from websites into CSV or JSON, with no coding needed.

Since 2024

Free · Data and spreadsheets

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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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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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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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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 form endpoint for any site that keeps every submission, emails you, and retries webhooks for days if your server fails.

Since 2025

One-off payment · Forms and surveys · Developers

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WordPress plugin that saves every Contact Form 7 submission so site owners can browse, search and export them as CSV.

Free plan · Forms and surveys

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Use a phone as a barcode scanner that types codes into your computer or saves them to CSV files over Wi-Fi.

Free plan · Inventory and stock · Shops and retail

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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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WordPress plugin that records heatmaps, sessions, funnels and form drop-off, storing all data on your own site.

Free plan · Website analytics

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Download followers, following lists, tweets or search results from any public X account as CSV, Excel or JSON.

Since 2026

Pay as you go · Marketing and social · Agencies

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Records every AI agent decision in a signed, tamper-evident log so teams can show regulators what their AI did under the EU AI Act.

Since 2026

Free plan · Developer tools · Developers

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Saves every WordPress contact form entry to your database so you can filter, chart and export to CSV.

Free plan · Forms and surveys

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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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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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Time tracker built around a timeline and tags, with PDF and CSV reports for billing clients, aimed at freelancers.

Subscription · Time tracking · 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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Runs versioned SQL and Python database migrations with dry runs, history checks and rollbacks, for Python teams.

Since 2026

Free plan · Developer tools · Developers

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Builder for landing and lead capture pages with templates, AI drafts and A/B testing to improve conversions.

Subscription · Website builders

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Phone app that reads car fault data, shows custom gauge dashboards and logs trips using a Bluetooth or Wi-Fi ELM327 adapter.

Home and car · Individuals and families

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Log how you spend your day with one tap, set time goals and see reports of your activities on phone, watch or web.

One-off payment · Time tracking · Individuals and families

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iPhone app that finds devices and open services on a Wi-Fi network, compares scans and exports results.

Security and passwords · 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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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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Gathers coupons and deep links from many affiliate networks into one feed, via API, CSV or a WordPress plugin, for coupon sites.

Subscription · Marketing and social

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Feature flags for software teams to roll out changes to chosen users, watch error rates and roll back bad releases.

Free plan · Developer tools · Developers

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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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WordPress plugin to A/B test pages, watch session recordings and heatmaps, and track WooCommerce revenue by variant.

Free trial · Website analytics · Online sellers

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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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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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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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Builds sales and lead funnels inside WordPress and WooCommerce, with custom checkout pages, upsells and split tests.

Online shops · Online sellers

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Scan paper receipts on iPhone or Mac to log each item bought and see your spending by category, with no bank link.

Since 2026

Free plan · Money and budgeting · Individuals and families