No moat. Still in business.

0

Gives AI agents their own email address through an API or MCP server so they can send, read and reply to mail.

Free plan · Transactional email · Developers

0

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

Free plan · SEO

0

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

Free · Something else · Individuals and families

0

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

0

Sends app emails through an API or SMTP relay, plus simple campaigns, hosted in Europe for developers and software teams.

Since 2025

Free plan · Email marketing · Developers

0

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

0

Fixes the mixed content and insecure content warnings a WordPress site shows after it moves to HTTPS.

Website builders

0

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

0

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

Free · Video and audio · Individuals and families

0

An open-source email service for developers that sends app email and campaigns, run in their cloud or on your own server.

Free plan · Email marketing · Developers

0

Gives each AI agent a real email address, and soon a phone number, so it can read mail, reply and use login codes.

Free plan · Developer tools · Developers

0

Self-hosted drop-in replacement for the Resend API that sends app email through Amazon SES for developers.

Free · Transactional email · Developers

0

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

Something else

0

Email API and SMTP relay for sending app emails, priced on usage, from an independent self-funded team.

Since 2026

Pay as you go · Transactional email · Developers

0

iPhone app that turns nearby speech into on-screen text for deaf and hard of hearing people, even in loud rooms.

Something else · Individuals and families

0

Send transactional email and SMS from your app through one API, then track delivery, with data kept in France.

Transactional email · Developers

0

Sends app emails like password resets through an API or SMTP, plus product updates and automated sequences, for SaaS companies.

Free trial · Email marketing · Software companies

0

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

Free plan · Transactional email · Developers

0

Gets and renews free Let's Encrypt SSL certificates on cPanel shared hosting without command line work.

Free plan · Security and passwords

0

Sends app email such as receipts and resets over an API or SMTP, and checks domain authentication before you start sending.

Free plan · Transactional email · Developers

0

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

Since 2026

Website builders

0

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

Free plan · SEO · Online sellers

0

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

0

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

0

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

0

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

0

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

Free plan · Website builders

0

Gives AI agents their own email addresses and inboxes through an API, hosted in the EU, for developers building agents.

Since 2026

Free plan · Transactional email · Developers

0

Lets AI agents send, receive and reply to email in threads over an API or MCP, with usage limits and approvals.

Free plan · Transactional email · Developers

0

Sends email for hosting companies and multi-tenant apps, and stops spam from compromised customer accounts before it hurts delivery.

Transactional email · Developers

0

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

0

WordPress plugin that adds a dark mode toggle and a visitor panel with text size, contrast and other accessibility tools.

Website builders

0

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

0

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

0

Sends app email and text messages such as receipts, login codes and newsletters through an API, SDKs or an AI agent.

Since 2026

Free plan · Email marketing · Developers

0

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

Free · Forms and surveys

0

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

Video and audio · Creators and writers

0

Transactional email API and SMTP relay for apps, run by a Canadian company that keeps all data and servers in Canada.

Free plan · Transactional email · Developers

0

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

Free plan · Travel · Individuals and families

0

One API for sending and receiving email, SMS and voice calls, with US A2P 10DLC SMS registration handled for you.

Free plan · Transactional email · Developers

0

Desktop app that softens strobing and sudden bright flashes on screen for people with photosensitive epilepsy.

Health and habits · Individuals and families

0

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

0

An email sending API and SMTP service for apps sending large volumes of receipts, resets and alerts, with a vetted shared network.

Since 2026

Subscription · Transactional email · Developers

0

Sends ready-made app emails like password resets, verification and billing notices for developers who want no email setup work.

Transactional email · Developers

0

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

0

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

0

An email sending API for developers that shows every message's path from queue to delivery, bounce or open.

Free plan · Transactional email · Developers

0

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

Free plan · Website builders