No moat. Still in business.

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An API for adding license keys, device activation and secure update delivery to desktop and on-premise software.

Since 2016

Developer tools · Developers

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Adds cancel flows with offers and recovers failed card payments for subscription businesses that bill through Stripe.

Payments and checkout · Software companies

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An API and plugin that flags throwaway email domains at signup so fake accounts never get in.

Free plan · Security and passwords · Developers

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Website analytics that shows which traffic sources bring paying customers, for founders and small online businesses.

Subscription · Website analytics · Online sellers

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An SMTP relay and email API for sending transactional and marketing mail from apps, with searchable delivery logs.

Free plan · Transactional email · Developers

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Hosted status pages with built-in uptime checks, so you can keep customers informed during outages and cut support tickets.

Free plan · Uptime and monitoring · Software companies

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Shows live sales, sign-ups, reviews and visitor counts as small notifications on your site to build buyer trust.

Subscription · Marketing and social · Online sellers

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SEO agent for founders that reads your Search Console data, plans topic clusters and drafts articles straight into your CMS.

Since 2024

Free plan · SEO

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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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Gives your Stripe customers a link to create, edit and download their own invoices, avoiding the Stripe invoice fee.

Since 2024

One-off payment · Invoicing and billing · Online sellers

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Shows B2B sellers which companies visit their website and what interests them, so sales can follow up early.

Free trial · CRM and sales · Agencies

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Checks comments before they post and tells commenters how to fix rude or off-topic ones, for sites running discussions.

Communities and memberships · Creators and writers

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Gives local dev servers a stable public URL for testing webhooks and OAuth or sharing previews, with flat seat pricing.

Since 2023

Free plan · Developer tools · 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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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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Hosted service that receives, logs and retries webhooks, with a CLI for local testing and a typed SDK.

Since 2024

Developer tools · Developers

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APIs and a WordPress plugin that check IP location and reputation, emails and phone numbers to filter out fake form signups.

Free plan · Security and passwords · Developers

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Billing software for hosting firms that sells domains, hosting and SSL, sets up services and sends the invoices.

Subscription · Invoicing and billing · Software companies

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An online place to translate software strings with your team, AI or hired translators, connected through an API and plugins.

Developer tools · Developers

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Outbound SMTP relay for servers and sites that filters spam and malware and handles sender reputation, billed per email.

Subscription · Transactional email · Developers

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A drag and drop builder for startup founders to make landing pages, blogs and directory sites without a designer.

Free plan · Website builders · Freelancers

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Lets online sellers accept 200+ local payment methods around the world through one account, API or shop plugin.

Pay as you go · Payments and checkout · Online sellers

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Blocks scrapers, spam bots and fake signups before they reach your site, by plugin, API or a DNS change.

Free plan · Security and passwords · Online sellers

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Run surveys in email, websites and apps, then group the answers into themes so product teams can act on customer feedback.

Free plan · Forms and surveys · Software companies

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Sends app and site emails such as receipts and password resets through EU-only servers, with an API, SMTP and SDKs.

Free plan · Email marketing · Developers

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Hosted service that runs your MCP servers behind a single URL, holds credentials and logs each tool call per client.

Since 2023

Free plan · Developer tools · Developers

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Hosted backend that takes in webhooks from Stripe, Shopify and others, stores them and runs your code with queues, cron and retries.

Since 2024

Free plan · Developer tools · Developers

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Hosted service that adds social network sign-in and single sign-on to websites and apps, with a REST API.

Free plan · Security and passwords · Developers

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Watches WordPress sites for vulnerable plugins and themes and blocks exploits with virtual patches until fixes land.

Free trial · Security and passwords · Agencies

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A simple translation tool for app, site and game text, with AI translation, team roles and Git and Figma syncing.

Since 2025

Developer tools · Developers

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Writes and publishes SEO articles and gets backlinks and AI chatbot mentions for business websites, on a monthly plan.

Subscription · SEO

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Gives you one fixed webhook URL that forwards Stripe and Paddle events to whichever branch deployment you are testing.

Since 2026

Free plan · Developer tools · Developers

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Shows which campaigns, links and content brought in paying customers by tying site visits to Stripe revenue.

Since 2026

Subscription · Website analytics · Online sellers

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An AI support chat that answers customers from your own docs and shows founders what users ask about.

Since 2026

Free plan · Customer support · Online sellers

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Hosts and streams video and media from the WordPress library, with overlays, lead forms and viewing stats.

Subscription · Video and audio · Online sellers

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Sends marketing sequences, campaigns and transactional email for software teams, run from a dashboard, API or AI agent.

Since 2026

Email marketing · Developers

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Meters usage, tracks costs per customer and bills users with credits or usage pricing, for teams building AI apps.

Since 2026

Pay as you go · Invoicing and billing · Developers

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Receives webhooks from providers like Stripe, then verifies, stores and forwards them to your services with retries.

Free plan · Developer tools · Developers

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An API that checks signup emails for throwaway, relay and spam domains so software companies can block fake accounts.

Free plan · Security and passwords · Developers

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Translates the text in your app, docs and website into many languages, with a CLI, API and review tools.

Since 2025

Developer tools · Developers

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Live chat and ticketing for software businesses that lets agents refund or cancel Stripe and Paddle customers inside the ticket.

Since 2026

Free plan · Customer support · Software companies

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Hosted search for websites that adds keyword results, AI answers and search analytics to your site.

Free trial · Website builders · Software companies

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Open-source platform for marketplaces to onboard sellers and send them low-fee payouts worldwide using stablecoins.

Since 2026

Pay as you go · Payments and checkout · Online sellers

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Lets SaaS and API sellers charge customers tiny amounts per request and pays out monthly to Stripe.

Since 2025

Invoicing and billing · Developers

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A shared workspace where teams run Claude Code, Codex and other coding agents on tasks, scheduled bots and reviewed pull requests.

Since 2026

Free plan · Developer tools · Developers

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Lets WordPress product support teams get time-limited access to a customer site with one click, without sharing passwords.

Free plan · Customer support · Agencies

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Sits in front of your server to receive webhooks from Stripe, Shopify and others, logging each one so missed events can be resent.

Free plan · Developer tools · Developers

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Finds keywords, writes articles and publishes them to your site on a schedule, with backlink swaps, for sites wanting search traffic.

Subscription · SEO · Online sellers