The best affiliate programs like Squarespace in 2025

Double Zero is an open-source email infrastructure platform that empowers users to fully own and control their email sending capabilities. Designed to simplify the deployment and management of email services, Double Zero provides an easy-to-use email API for sending transactional emails and supports advanced features like broadcasts and automations through its Pro version. With single-command deployment using SST, seamless setup of AWS services (SES, SNS, SQS, EC2, S3, Route 53), and a straightforward REST or JS API, users can quickly establish robust, scalable email infrastructure without relying on traditional third-party providers. The platform also offers features such as multi-recipient tracking, a WYSIWYG editor, SMTP endpoints, contact and list management, and team collaboration tools.

Double Zero is ideal for developers, SaaS businesses, and organizations seeking greater control, transparency, and cost-efficiency in their email operations. It stands out for its open and modifiable codebase, affordable pricing, and the ability to deploy within your own cloud environment, making it a compelling choice for privacy-conscious users and those looking to avoid vendor lock-in. Affiliates will find Double Zero attractive to promote, as it addresses a growing demand for customizable, developer-friendly email solutions that balance ease of use with full ownership and transparency.

TemplateAI is a comprehensive NextJS template designed to empower developers to build and launch full-stack AI applications quickly and efficiently. It eliminates the typical boilerplate work involved in creating AI-powered web apps by providing pre-configured solutions for authentication, payments, database management, and essential AI features like text and image generation, as well as vector search. With modern technologies such as NextJS 13, Tailwind CSS, Supabase, and seamless integration with leading AI models, TemplateAI enables users to go from idea to production with minimal setup time.

This solution is perfect for developers, startups, and entrepreneurs who want to bring AI app ideas to life without getting bogged down by setup tasks or technical hurdles. Affiliates will find TemplateAI an attractive offer for their audience, as it addresses the key pain points of building AI applications and provides excellent value for anyone looking to launch, monetize, and scale AI-powered products rapidly.

SwiftySaaS is an all-in-one SaaS platform designed to help entrepreneurs and developers launch, manage, and scale their own SaaS businesses quickly and efficiently. The platform provides a comprehensive suite of ready-made tools and infrastructure, including user authentication, subscription management, billing, analytics, and email notifications, eliminating the need for complex backend development. With SwiftySaaS, users can focus on building and improving their core product while relying on a secure and scalable foundation that handles the technical essentials.

This service is ideal for solo founders, small teams, and agencies looking to bring SaaS ideas to market without heavy investment in infrastructure or backend engineering. Affiliates will find SwiftySaaS appealing to promote because it addresses a common bottleneck in SaaS development, offering a fast, reliable, and cost-effective solution for launching new software ventures, making it a valuable choice for their audience of aspiring SaaS creators.

Swift Maker is an advanced SwiftUI boilerplate designed to help iOS developers rapidly transform side projects into fully functional, profitable apps. By offering a comprehensive ecosystem that includes pre-integrated services like in-app purchases, AI integrations, analytics, authentication, data persistence, and a secure Swift-powered backend, Swift Maker eliminates the tedious and repetitive setup tasks that often slow down app launches. It features a modularized architecture, ready-to-use design system with theme switching, built-in localization for global reach, and automated tools for faster App Store publishing, all supported by thorough documentation and an exclusive community for ongoing support and collaboration.

This solution is ideal for indie developers, freelancers, or anyone looking to accelerate their iOS app development process and focus on building unique features rather than boilerplate code. Affiliates will find Swift Maker an attractive program to promote, as it caters to a large market of motivated developers eager to ship their projects faster, boost productivity, and achieve App Store success with less overhead and learning curve.

KickStart by FormKit is an innovative tool designed to streamline and accelerate the process of form creation for developers and teams working with Vue.js. With KickStart, users can generate fully functional forms in seconds using a prompt, image, or text attachment, then easily copy and paste the output as Vue components or FormKit schema into their projects. The platform supports a wide range of use cases, from simple contact forms to complex multi-user registration and database-driven forms, and even allows migration from screenshots, sketches, or existing Gravity Forms exports.

KickStart is ideal for developers, agencies, and businesses that need to quickly prototype, migrate, or iterate on web forms without starting from scratch. Its fast generation capabilities and flexibility make it an excellent choice for affiliates to promote, as it solves common pain points in web development and appeals to a broad audience looking to save time and boost productivity when building forms for web applications.

ApparenceKit is a comprehensive Flutter template toolkit designed to help developers and companies launch mobile apps quickly and efficiently. By providing ready-made solutions for essential features like authentication, notifications, in-app subscriptions, onboarding, and robust app architecture, ApparenceKit eliminates the need to build repetitive infrastructure from scratch. With support for popular backends like Firebase and Supabase, customizable UI components, and best-practice architecture using Riverpod for state management, this toolkit enables both beginners and experienced developers to focus on building unique app features and delivering value to users. The package comes with a one-time purchase model, unlimited project usage, and dedicated support, making it a cost-effective choice for rapid app development.

ApparenceKit is ideal for solo developers, startups, agencies, and teams aiming to save hundreds of hours on foundational code and accelerate their app launch. Affiliates promoting ApparenceKit can confidently recommend it to their audience, as it offers a proven solution trusted by 250+ developers and companies, complete with extensive documentation, regular updates, and a 10-day money-back guarantee. Its powerful time-saving features and focus on app success make it a highly attractive product for anyone building with Flutter and seeking a reliable shortcut to market-ready applications.

Flowappz offers a suite of powerful, easy-to-use apps designed specifically for Webflow users, aiming to enhance the functionality and user experience of Webflow websites. Their collection includes tools like Form Fields Pro for building advanced, customizable forms with features such as dropdowns, date pickers, and range sliders, as well as a fully editable Cookie Consent popup builder for compliance and user trust. Additionally, Flowappz provides a Social Share tool that enables the seamless addition of attractive share buttons to any Webflow site, helping to drive engagement and increase visibility.

These solutions are ideal for Webflow designers, developers, agencies, and business owners who want to quickly add advanced features to their sites without coding. Affiliates will find Flowappz an appealing program to promote because it addresses common pain points in website creation, offering essential enhancements that save time, boost site performance, and improve user interaction for a wide range of Webflow projects.

AltumCode offers a suite of high-quality, self-hosted PHP scripts designed for both personal and business needs, serving over 23,000 customers worldwide. Their product lineup includes a variety of ready-to-use software solutions such as SEO auditing tools, push notification platforms, bio link and URL shortener services, social proof widgets, file transfer utilities, privacy-focused analytics, uptime monitoring, QR code and barcode generators, digital business card builders, QR menu creators, comprehensive web toolkits, and AI-powered content generation tools. All products come with open, non-obfuscated code, one-time payment for lifetime ownership, and free updates, ensuring maximum flexibility and long-term value for users.

AltumCode is ideal for webmasters, digital marketers, small business owners, and agencies seeking affordable, reliable, and customizable software to enhance their online presence and operations. Affiliates will find this program attractive due to the strong reputation for quality, excellent customer support, and a broad range of highly-rated products that cater to trending digital needs, making it an excellent choice for promoting to a wide audience of entrepreneurs and professionals.

Aikeedo is a turnkey, white-label PHP software solution designed to help entrepreneurs, agencies, and businesses launch their own AI-powered SaaS platforms quickly and efficiently. With Aikeedo, users gain full control over branding, features, and integrations, allowing them to create a fully customized AI service hosted on their own domain. The platform includes a comprehensive suite of tools such as AI chat, image generation, voice synthesis, transcription, coding assistants, and advanced data management, all accessible through an intuitive admin and user interface. Aikeedo supports over 20 leading AI models and offers robust billing automation, workspace management, and hassle-free updates, ensuring a seamless experience from setup to ongoing operation.

This product is ideal for anyone looking to enter the rapidly growing AI SaaS market without the need for extensive technical expertise or prolonged development time. Its ready-to-launch nature, lifetime updates, and flexible licensing make it particularly attractive for affiliates to promote, as it enables customers to start earning revenue almost immediately and offers strong value for both personal and commercial use cases. Whether targeting startups, agencies, or established businesses, affiliates can confidently recommend Aikeedo as a comprehensive, scalable, and profitable solution for AI-driven innovation.

InpuTron is an AI-powered form field solution designed to revolutionize how users interact with online forms. By integrating advanced AI APIs, InpuTron enables form fields to predict, enhance, or suggest text dynamically, making data entry smarter and more intuitive. Its platform stands out for its high degree of customization, allowing users to configure intelligent input fields using plain English and even extend functionality by incorporating their own models or leveraging retrieval-augmented generation (RAG). With flexible pricing plans, generous API call limits, and premium support, InpuTron empowers developers and businesses to create modern, responsive forms tailored to their unique needs.

InpuTron is ideal for web developers, SaaS platforms, and businesses seeking to deliver seamless and intelligent user experiences through their online forms. Affiliates will find InpuTron an attractive program to promote due to its innovative use of AI, flexible integration options, and broad appeal across industries looking to modernize their digital touchpoints with smarter, more interactive forms.