Loops

Email Marketing Platform for SaaS.

Domain SDK

Domain SDK provides an API for managing customer domains, allowing developers to add, verify, monitor, and remove domains easily.

Shipfast

The NextJS boilerplate with all you need to build your SaaS, AI tool, or any web app

MailerLite

Email marketing tool with website builder capabilities.

Sent

Sent offers a messaging API that streamlines communication by integrating SMS, WhatsApp, and RCS into a single platform, ensuring optimal routing and compliance management for developers.

SaaS Emails

Curated library of SaaS email templates for marketing and onboarding inspiration.

Inbound

Inbound is the email platform that makes it easy to send and receive emails.

Sandbox SDK

Sandbox SDK provides a unified API for interacting with several sandbox providers, allowing developers to streamline their processes without rewriting applications.

Emulate

Emulate provides stateful API emulation for development and CI, allowing developers to test integrations with services like Stripe, GitHub, and Google without relying on network access or mocks.

Mailchimp

Email marketing platform and automation tools.

Brevo

Email marketing & CRM suite

Maillayer

Self-hosted email marketing without subscriptions, featuring a one-time purchase.

Sequenzy

Sequenzy is an email marketing tool designed for SaaS businesses, enabling users to easily automate onboarding, campaigns, and transactional emails using AI-driven features.

Firma.dev

Firma.dev offers an ultra-low-cost e-signature API designed for developers, allowing seamless integration into applications for effortless document signing and management.

ZoomInfo Captcha

Captcha tool for bot protection by human verification

Shipper

Shipper is a no-code AI platform that allows users to create applications by simply describing them in plain language, making app development accessible to everyone.

Convertkit

Email marketing tools for creators.

Beehiiv

Platform for creating, managing, and monetizing newsletters.

Easy Tools

Payment processor simplifying digital product sales.

Convex

Convex provides backend building blocks with real-time capabilities tailored for TypeScript developers. It combines ease of use with robust functionalities to build scalable applications.

AgentMail | Email Inbox API for AI Agents

Give AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.

Trigger.dev

Trigger.dev is a platform designed to build and manage AI workflows using TypeScript. It allows users to manage long-running processes with features such as retries, observability, and real-time task handling.

Outseta

All-in-one platform member only content for SaaS startups.

Reply

AI-powered sales engagement and automation tool for businesses.