No moat. Still in business.

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

One-off payment · Marketing and social · Online sellers

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Ties logs and traces from iOS and Android apps to backend services so app teams can trace a user problem to its cause.

Uptime and monitoring · Developers

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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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Traces AI agent runs in production, flags silent failures and lets teams test changes in simulation before release.

Since 2025

Free plan · Uptime and monitoring · Developers

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

Free plan · Marketing and social · Online sellers

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

Free plan · Developer tools · Software companies

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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.

Developer tools · Developers

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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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Builds popups for online stores, such as signup offers, exit discounts and spin wheels, by describing them to an AI agent.

Free plan · Marketing and social · Online sellers

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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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Tracks cost, calls and errors in AI apps and agents through OpenTelemetry, either self-hosted or on their managed cloud.

Subscription · Uptime and monitoring · Developers

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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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Observability for logs and traces that answers questions in Slack and drafts fix pull requests when alerts fire.

Free plan · Uptime and monitoring · 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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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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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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Tracing and anomaly alerts for AI agent pipelines, so developers catch failures they were not watching for.

Free plan · Uptime and monitoring · Developers

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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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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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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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Collects traces, metrics and logs through OpenTelemetry for engineering teams, hosted or on your own servers.

Since 2022

Free trial · Uptime and monitoring · Developers

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Collects traces, logs, metrics and session replays from OpenTelemetry for $39 a month, with EU hosting or self-hosting.

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

Free plan · Developer tools · Developers

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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.

Free plan · Developer tools · Developers

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Deploys apps from a GitHub repo onto a server in your own cloud account, with HTTPS and redeploys on each push.

Free plan · Developer tools · Developers

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

Free plan · Marketing and social

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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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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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Tracks the AI agents a company runs in production, showing their costs, flagging leaked personal data and enforcing usage rules.

Uptime and monitoring · Developers

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

Subscription · Website analytics

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Lets teams building AI agents run simulations, evaluate outputs and trace failures in production.

Free plan · Developer tools · Developers

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Stores and queries logs, metrics and traces on object storage at low cost, as a managed cloud or on your own servers.

Since 2026

Uptime and monitoring · Developers

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An observability backend on ClickHouse that takes logs, metrics, traces and profiles and lets teams query them in Grafana.

Free plan · Uptime and monitoring · 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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Traces AI coding agent runs, spots where they fail and enforces rules that stop repeat failures as they happen.

Free plan · Uptime and monitoring · Developers

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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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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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Watches your AI agent's real traffic, finds where it fails customers and opens tested pull requests with fixes.

Since 2026

Subscription · Uptime and monitoring · 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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Lets developers share live progress of scripts and jobs through a link, via an API or a tqdm replacement.

Uptime and monitoring · Developers