No moat. Still in business.

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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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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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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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AI agents that test your web or mobile app like a user on each pull request and report what broke.

Since 2024

Free plan · Developer tools · Developers

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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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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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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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Re-tests your site in a real browser after changes and keeps checking checkout, speed, search and security, then suggests what to fix.

Free plan · Uptime and monitoring · Online sellers

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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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Self-hosted, open-source spam filter for website forms that blocks bots without puzzles or cookies.

Free · Forms and surveys

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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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Lets SaaS teams record browser tests without code and run them in the cloud or CI before each release.

Free plan · Developer tools · Software companies

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AI agents test your web, mobile and API releases across languages and markets so software teams catch breakage early.

Since 2024

Developer tools · Software companies

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Captures UI screenshots on each build and flags visual changes so dev teams can review them before release.

Since 2024

Free plan · Developer tools · Developers

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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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Compares screenshots from your test runs so software teams can spot visual changes and approve them before merging.

Free plan · Developer tools · Developers

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Add one script tag to a site and each article gets an audio player that reads it aloud.

Since 2026

Video and audio · Creators and writers

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Tests your web app the way a user would and flags broken signup, login or checkout flows after each change.

Since 2025

Subscription · Developer tools · Developers

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Writes descriptive alt text for uploaded images or image links, helping sites rank better and work for screen reader users.

Since 2025

Subscription · SEO · Online sellers

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Records real AI agent runs from production so developers can replay them to test code changes.

Since 2025

Pay as you go · Developer tools · Developers

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Adds an accessibility widget to your website and scans pages for WCAG problems, with tools for alt text and contrast.

Free plan · Website builders

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Generates accessible alt text for images in bulk across WordPress, Shopify and other sites, with an API and browser extensions.

Free plan · SEO · Online sellers

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Point any domain at any URL with automatic HTTPS, path rules and hit analytics, no server to run.

Free plan · Website builders

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Scans websites and PDFs for WCAG accessibility problems, scores them, and can tag PDFs to fix issues.

Since 2026

Website builders

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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.

Since 2026

Free plan · Developer tools · Developers

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Catches visual changes in web UIs by comparing screenshots in pull requests, with an API that coding agents can read.

Since 2025

Free plan · Developer tools · Developers

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Scores alt text across a WordPress media library and lets you fix missing or weak alts in bulk.

Free · SEO

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Writes alt text for shop and website images in many languages to help with search ranking and accessibility rules.

Free plan · SEO

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Writes alt text for website images in over 130 languages and finds images missing descriptions, for accessibility and SEO.

Free plan · SEO

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Adds AI voice narration to website articles, product pages and lessons so visitors can listen instead of read.

Free plan · Video and audio · Online sellers

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Writes image alt text automatically in 150 languages for WordPress and Shopify sites, via plugin, browser extension or API.

Free plan · SEO · Online sellers

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Write app tests in plain language and run them on real devices, for mobile QA and engineering teams.

Since 2023

Developer tools · Developers

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Text to speech that reads documents and web pages aloud and makes voiceovers, with plans for personal, business and school use.

Free plan · Video and audio · Individuals and families

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Adds a listen button to your web pages so visitors can hear articles read out in a choice of voices.

Video and audio · Creators and writers

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Open source CMS for building accessible, multilingual websites, with detailed user permissions and long-term support releases.

Free · Website builders · Agencies

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Scans a website for SEO, speed, accessibility and security problems and lists the fixes to make before launch.

Since 2025

Subscription · SEO · Agencies

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Scores your AI app's outputs against your own rubrics, compares models and tests for prompt injection and jailbreaks.

Since 2026

Free plan · Developer tools · Developers

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Hosts your AI evals as Git repos with private test cases, graders and sandboxed runs, and blocks releases that regress.

Since 2026

Free plan · Developer tools · Developers

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Adds colour gradients to lines of text so people read with more focus, for readers and for publishing platforms.

Focus and productivity · Individuals and families

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Sets up and manages your own cloud server to deploy Django apps, with a dashboard, CLI and API.

Since 2021

Free plan · Developer tools · Developers

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Send a URL to this API and get back an SEO score, check results and a ranked list of fixes as JSON.

Since 2026

Free plan · SEO · Agencies