How do most AI SaaS tools charge (credits vs monthly subscriptions)?

Most modern AI SaaS tools use hybrid pricing: an entry-level monthly subscription that includes a fixed monthly credit quota, paired with pay-as-you-go top-ups for high-volume LLM inference and generation.

Can I find free and open-source AI tools on SaaSearch?

Yes. You can filter listings by pricing model (Free, Freemium, or Paid) and tech stack. Many makers provide 100% free open-source tiers with self-hosting instructions and MIT licenses.

How are MRR and user counts verified for AI startups?

SaaSearch integrates directly with Stripe and Paddle telemetry to verify recurring monthly revenue, growth velocity, and active users, ensuring figures are authentic rather than estimated.

How can AI developers launch their product on SaaSearch?

Founders can submit their AI application for free. Once you add the verified SaaSearch launch badge to your homepage, your listing is published immediately to today's launch leaderboard with zero queue delay.

SaaSearch - The Search Engine for SaaS and AI products

121 products for Top Transactional Email software (0.11 seconds)

TellyAd

https://hey-telly.com›productivity›Telly

Telly: Hands-free Mac control with natural voice commands.

Telly is an AI-powered desktop companion that brings hands-free control to your Mac. By understanding natural voice commands, it navigates your... Read more

5.0(1)1upvote

Voice Control Mac Automation AI Assistant

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StopReg

https://stopreg.com›developer tools›StopReg

StopReg: Real-time email validation API to block disposable, fake, and risky signups. - result 1

Sep 18, 2026 - StopReg provides a real-time email intelligence API designed for developers to block fake, disposable, and risky email addresses. It performs... Read more

5.0(1)1upvote

Email Validation API Disposable Email

1stopreg

bytemail

https://bytemailapp.com›communication›bytemail

bytemail: Fast, native, and private email client for Mac. - result 2

Sep 19, 2026 - bytemail is a blazing fast, native email client designed specifically for Mac users, offering a unified inbox for all accounts including Gmail,... Read more

5.0(1)1upvote

Email Client Mac App Native App

1bytemailapp

Pombo

https://flypombo.com›developer tools›Pombo

Pombo: Email platform for teams and AI agents - result 3

Sep 25, 2026 - Pombo is an agent-first email platform designed for teams that build with AI, enabling marketing, lifecycle, and transactional emails to be run... Read more

5.0(1)1upvote

AI Agents Email API Developer Tools

1flypombo

Airtop

https://airtop.ai›ai & machine learning›Airtop

Airtop: Automate any website with reliable, self-healing AI agents built in chat. - result 4

Sep 6, 2026 - Airtop is an AI Agent Builder that allows users to create powerful web automations by describing workflows in plain language. It compiles these... Read more

5.0(1)1upvote

AI Agents Web Automation Process Automation

1airtop

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The Autopilot Newsletter

https://the-autopilot-newsletter.com›ai & automation›The Autopilot Newsletter

The Autopilot ( Newsletter ): I write about AI Agent Economy in german for the DACH region. ( biggest paid newsletter in the AI space in Germany ) - result 5

May 15, 2026 - I write about AI Agent Economy in german for the DACH region. ( biggest paid newsletter in the AI space in Germany ) Built with Next.js,... Read more

5.0(4)37upvotes$972 MRR+35.1% MoM

AI & Automation Micro-SaaS

4the-autopilot-newsletter

Customer.io

https://customer.io›developer tools›Customer.io

Customer.io: Send email based on what people do (or don't do) in your app - result 6

Jan 29, 2014 - Customer.io unifies data, messaging, and AI into one platform so every customer interaction gets smarter over time. Teams use it to build... Read more

5.0(100)339upvotes

0customer

Unitpost

https://unitpost.com›developer tools›Unitpost

Unitpost: Professional, inbox-safe email components & layouts for React developers. - result 7

Sep 1, 2026 - Unitpost offers a comprehensive library of production-ready email components and layouts built with React. It solves the significant challenge... Read more

5.0(1)1upvote

Email Development React Components UI Library

1unitpost

Telly: Hands-free Mac control with natural voice commands.

5.0(1)

Telly is an AI-powered desktop companion that brings hands-free control to your Mac. By understanding natural voice commands, it navigates your screen, determines the necessary steps, and automates tasks across all your Mac applications. From sending emails and finding files to initiating creative projects, Telly eliminates clicks and manual steps, allowing users to stay focused. It's built for anyone seeking to streamline their daily workflow, enhance productivity, and interact with their computer more intuitively.

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