No moat. Still in business.

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Open-source billing engine that meters usage, runs subscription and hybrid plans, and issues invoices for software firms.

Since 2021

Free · Invoicing and billing · Software companies

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Gives you a phone number your audience can call to hear your podcast or sermons, no internet or apps needed.

Since 2020

Subscription · Podcasting · Creators and writers

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Build hosted or embedded checkout pages to sell products, subscriptions, tickets and services through your own Stripe account.

Since 2018

Free plan · Payments and checkout · 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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Adds a text-to-speech player to blogs and publisher sites so visitors can listen to articles.

Since 2019

Free plan · Video and audio · Creators and writers

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An ecommerce platform with an API for selling products and subscriptions, with custom storefronts and checkout, for online brands.

Since 2021

Free trial · Online shops · Shops and retail

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Deploys each labelled GitHub pull request as a live preview environment on your own Lightsail or Hetzner servers.

Since 2020

Developer tools · Developers

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A Chrome extension that strips clutter from web pages and adds reading rulers, text to speech and PDF tools for easier reading.

Since 2019

Focus and productivity · Individuals and families

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Writes alt text and file names for images in bulk to help WordPress sites with search ranking and accessibility.

Free plan · SEO · Agencies

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A browser extension that checks text on any site you visit and boosts contrast so it is easier to read.

Free · Something else · Individuals and families

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Find public toilets nearby with reviews, photos, door codes and details like changing tables.

Since 2024

Travel · Individuals and families

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Budgeting app that links bank accounts, flags bills due before payday and lets couples split costs they choose to share.

Free plan · Money and budgeting · Individuals and families

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A free desktop app where you hold a shortcut, speak, and your words are typed into whatever text field you are in.

Free · Focus and productivity · Individuals and families

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Sorts, filters and archives your GitHub notifications so developers can keep track of issues and pull requests outside email.

Free plan · Developer tools · Developers

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A phone app that reads ebooks, documents, websites and printed pages aloud in 40 languages, useful for busy or visually impaired readers.

Video and audio · Individuals and families

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Keeps pull request discussions in sync across GitHub, Slack and VS Code so dev teams and AI agents review code faster.

Free plan · Developer tools · Developers

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Runs coding agents inside your team's own workflows, turning tickets into pull requests you review, on their cloud or yours.

Developer tools · Developers

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Apps, fonts and a keyboard that bold the start of words so people can read text faster and with more focus.

One-off payment · Focus and productivity · Individuals and families

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Adds AI translations to your app's language files on each pull request, so the team can review and edit them before merge.

Free trial · Developer tools · Developers

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A browser extension that swaps site video players for one that preloads faster and adds captions and accessibility controls.

Since 2023

Free · Video and audio · Individuals and families

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Runs coding agents in managed cloud machines for code review, bug fixes and background tasks, set up in YAML.

Since 2024

Developer tools · Developers

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A WooCommerce plugin that lets shops sell subscriptions, repeat deliveries and instalment plans, with dunning and cancellation flows.

Payments and checkout · Online sellers

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AI reviews of pull requests that teams can run on their own servers for free or use hosted, bringing their own model API keys.

Subscription · Developer tools · Developers

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Adds a panel so low-vision visitors can change font size, colours and images, meeting Russian GOST accessibility rules.

Free · Website builders

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A keyboard-driven Mac and Linux app for reviewing GitHub pull requests, with diffs, checks and threads loaded from a local cache.

Developer tools · Developers

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Writes pull request descriptions and team change summaries from your code diffs in GitHub and GitLab.

Free plan · Developer tools · Developers

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A phone app where friends and family swap voice memos and reply to specific moments, without booking a call.

Free · Something else · Individuals and families

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Reviews every pull request with AI, suggests fixes, and ranks open reviews so engineering teams know what to look at first.

Free trial · Developer tools · Developers

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WordPress plugin that adds a listen button so visitors can hear posts read aloud in natural voices.

Free plan · Video and audio · Creators and writers

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CAPTCHA that blocks bot sign-ups and form spam without cookies or tracking, available as a WordPress plugin, self-hosted or managed.

Free plan · Security and passwords

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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 code review tool that explains changes made by coding agents as a story, with threaded questions for developer teams.

Since 2026

Developer tools · Developers

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Makes your Mac trackpad tap when the pointer moves over buttons and links, with visual aids for accessibility.

Free · Something else · Individuals and families

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For developers: pulls crash reports out of Sentry or PostHog, drafts a fix in your own GitHub Actions with your AI key, and opens a PR.

Since 2026

Free plan · Developer tools · Developers

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Builds your app on every pull request, tests the affected user journeys and posts videos of any bugs it finds.

Since 2025

Developer tools · Developers

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A Mac menu bar app that reads any selected text aloud with offline speech models, including local voice cloning.

Since 2026

Free · Video and audio · Individuals and families

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A desktop and phone app to drive coding agents like Claude Code and Codex from one place using your own subscription.

Developer tools · 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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Shows live captions of office VoIP phone calls on a phone or tablet so staff with hearing loss can follow every word.

Something else

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Scans a website for WCAG 2.1 and 2.2 accessibility problems and sells a report with code fixes for each one.

Since 2026

Free plan · Website builders

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Code review tool that splits pull requests into ordered chapters so reviewers follow changes faster.

Since 2026

Subscription · Developer tools · Developers

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Stores the reasoning from AI coding chats with each git commit and posts it to pull requests for team review.

Since 2026

Free plan · Developer tools · Developers

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Mac menu bar app listing your open pull requests, reviews you owe and assigned GitHub issues in one panel.

Since 2026

Free · Developer tools · Developers

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An app that rates how wheelchair accessible restaurants, bars and cafes are so people can check before going out.

Since 2026

Free plan · Travel · Individuals and families

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Turns a feature idea into a reviewed, approved build plan, then has an agent code it and open pull requests for sign-off.

Free plan · Developer tools · Developers

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Desktop Git app for Mac and Windows with undo, drag and drop actions, stacked branches and help resolving merge conflicts.

Developer tools · Developers

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Uses AI to write meta titles, descriptions, keyphrases and image alt text in bulk across a WordPress site.

Free plan · SEO · Online sellers

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Billing for SaaS and AI companies that handles subscriptions, usage metering, quotes and invoices.

Free plan · Invoicing and billing · Software companies