The best affiliate programs like InvoicingAPI in 2025

Shipped is a comprehensive Next.js SaaS boilerplate designed to help developers launch software-as-a-service products rapidly and efficiently. Packed with ready-to-use, customizable components, Shipped streamlines everything from landing page creation, user authentication, and payment integration (via Lemon Squeezy or Stripe), to email marketing, blogging, and analytics dashboards. The platform also features seamless integrations with popular services such as NextAuth, Supabase, MailChimp, Loops, Prisma, and a broad range of AI providers, ensuring users can build feature-rich SaaS products without reinventing the wheel. With a modern UI kit (supporting ChakraUI and TailwindCSS), markdown-based blogging, and a supportive Discord community, Shipped enables indie makers and teams to save over 100 hours of development time and focus on launching and monetizing their ideas faster.

Shipped is particularly valuable for indie developers, startups, and busy professionals seeking to launch SaaS products without getting bogged down in repetitive setup tasks. Its lifetime access model, extensive documentation, regular updates, and robust support community make it a reliable foundation for commercial projects. Affiliates will find Shipped an attractive program to promote due to its proven value in accelerating product launches, high customer satisfaction, and generous commission structure, making it an ideal solution for anyone targeting the growing market of SaaS creators.

Substage is an AI-powered command bar utility for macOS that seamlessly integrates with Finder, enabling users to perform a wide range of file operations and system tasks using natural language prompts. By translating everyday language into precise terminal commands, Substage allows users to convert files, organize folders, retrieve metadata, automate calculations, and execute code-related or system-level actions—all without needing deep technical knowledge of the command line. It leverages leading AI models from providers like OpenAI, Anthropic, Mistral, and Google, or allows privacy-conscious users to connect their own local models. With features like risk assessment before executing commands and the ability to summarize terminal outputs, Substage streamlines complex workflows into simple, intuitive actions.

Substage is ideal for Mac users who want to harness the power of the command line without memorizing syntax or learning scripting—ranging from creative professionals and developers to everyday users seeking greater efficiency. Affiliates will find Substage appealing to promote due to its unique blend of AI convenience, robust functionality, flexible pricing (including a one-time "Bring Your Own AI" option), and its appeal to both tech-savvy and mainstream audiences looking to supercharge their productivity on Mac.

Secretary.so is an AI-powered executive assistant designed to streamline scheduling, meeting coordination, and calendar management for busy professionals and teams. By integrating seamlessly with your existing workflows and tools, Secretary.so automates the process of booking meetings, managing invites, handling time zones, and sending reminders. Its advanced AI capabilities allow it to understand preferences, handle rescheduling requests, and ensure optimal meeting times, all while maintaining privacy and security.

This service is ideal for executives, entrepreneurs, administrative professionals, and anyone who manages a high volume of meetings or complex schedules. Affiliates will find Secretary.so appealing to promote because it addresses a universal pain point—time management—offering a modern, efficient solution that saves users time and reduces administrative overhead, making it a valuable addition to any productivity or business-focused audience.

Schedul is a content publishing SaaS platform designed specifically for creators and community builders who want to maintain a consistent online presence without the stress of daily manual posting. The platform offers an intuitive, dynamic calendar view for planning and visualizing content strategies, allowing users to create, edit, and manage posts all in one place. With features like bulk post import, AI-powered content suggestions, and advanced analytics, Schedul enables users to streamline their workflow, understand audience engagement, and optimize posting strategies. Its mobile-first design ensures full functionality on any device, so creators can schedule and manage their content from anywhere, while crossposting capabilities allow for seamless publishing across multiple platforms.

Schedul is ideal for creators, social media managers, and businesses looking to grow their communities and improve engagement while saving time. The platform is particularly valuable for those who want to automate repetitive tasks, maintain posting consistency, and collaborate efficiently without the chaos of juggling multiple tools. For affiliates, Schedul represents a compelling product to promote due to its user-friendly interface, robust automation features, and strong appeal to an ever-growing market of digital creators seeking efficient ways to manage their online presence.

Scribly is an AI-powered note-taking tool specifically designed for Google Meet users, offering seamless real-time transcription, automated meeting summaries, and action item extraction. By installing the Scribly Chrome extension, users can automatically capture every word spoken during their meetings, generate concise summaries to highlight key discussion points, and identify actionable tasks to ensure team alignment and productivity. All meeting data is conveniently accessible through the Scribly web app, making it easy to review and share information after every call.

This service is ideal for professionals, teams, and organizations that rely on Google Meet for collaboration and want to enhance their meeting efficiency without manual note-taking. Affiliates will find Scribly appealing to promote due to its focus on productivity, ease of use, and value for anyone looking to streamline meeting workflows and never miss important details or follow-ups again.

ScrApollo is a comprehensive B2B lead generation platform that specializes in providing accurate and up-to-date contact data for sales and marketing teams. The service offers access to a vast database of business contacts and companies, enabling users to find targeted leads with detailed information such as verified email addresses, direct dials, and company insights. ScrApollo’s intuitive search and filtering tools allow users to segment their ideal prospects based on industry, location, company size, job title, and more, making it easy to build highly relevant outreach lists.

This platform is ideal for sales professionals, marketers, and agencies looking to streamline their prospecting process and improve outreach efficiency. Affiliates will find ScrApollo a compelling product to promote due to its strong value proposition, user-friendly interface, and high demand among businesses seeking reliable B2B lead generation solutions that accelerate sales pipelines and drive revenue growth.

Saylo is a comprehensive platform designed to help product teams, founders, and indie hackers collect, organize, and act on customer feedback. It streamlines the entire feedback process by offering embeddable in-app widgets for gathering suggestions, bug reports, and feature requests directly from users. With tools for categorizing feedback, allowing users to vote on priorities, and building a feedback community, Saylo empowers teams to make data-driven decisions about their product roadmaps. Additionally, the platform enables teams to keep users engaged and informed through beautifully crafted changelogs and automated update notifications across email, RSS, and social media channels.

Ideal for SaaS businesses, startups, and digital product teams looking to build better products with their users, Saylo makes it easy to close the feedback loop and foster transparency. Affiliates will find Saylo an attractive choice to promote thanks to its competitive pricing, user-friendly features, and strong appeal to organizations aiming to enhance customer trust, improve retention, and streamline their product development workflows.

SaaS Developer Template is a comprehensive, production-grade starter kit designed to help developers and founders launch fully functional SaaS applications in record time. Packed with pre-built modules—including landing pages, authentication, payment processing, admin and user dashboards, email and notification systems, CMS, SEO tools, Chrome extension boilerplate, and more—the template significantly reduces development time and complexity. With ready integrations for Stripe, Lemon Squeezy, Mailchimp, and major social logins, plus a modern tech stack featuring Next.js and TailwindCSS, users can go from idea to launch in as little as a day while saving over 150 hours of engineering work.

This solution is ideal for indie developers, startups, agencies, and technical founders who want to validate ideas, build MVPs, or scale SaaS products without reinventing the wheel on core infrastructure. Affiliates will find SaaS Developer Template a compelling offer for their audiences because it eliminates the pain of repetitive setup tasks, replaces costly third-party tools, and empowers users to focus on building differentiated features and growing their business faster.

Retargify is an advanced auto-rigging plugin for Blender that revolutionizes the character rigging process by automating and streamlining workflows traditionally handled by Rigify. Designed for both speed and flexibility, Retargify enables users to generate animation-ready, game engine-compatible armatures in minutes, rather than hours. It automates time-consuming tasks like constraint linking, troubleshooting, and data retention, allowing riggers to focus on creativity and experimentation without fear of losing work or encountering compatibility issues. The plugin supports any armature type—human or animal, connected or disjointed—and ensures that all animation, widget, constraint, and driver data is preserved across updates, making the rigging process non-destructive and highly efficient.

Retargify is ideal for 3D artists, animators, game developers, and modders who want to expedite their rigging workflows while maintaining full creative control and data integrity. With features like automatic error fixes, properties mirroring, collection presets, a widget editor, and seamless integration with Blender's extension system, it provides a professional-grade solution for studios and individuals alike. Affiliates will find Retargify an attractive product to promote due to its substantial time-saving benefits, broad compatibility, and enthusiastic user base, making it a valuable addition for anyone involved in digital character creation.

ReplyGuy is an AI-powered platform designed to help businesses find and engage with potential customers across the internet by identifying the most relevant online conversations for their products. By automating the time-consuming process of keyword monitoring, mention tracking, and crafting personalized responses, ReplyGuy streamlines lead generation and customer outreach. Users simply create a project, input relevant keywords, and the AI handles the rest—scanning web discussions, selecting high-potential posts, and generating tailored replies that genuinely address the original context while subtly promoting the product. This hands-off approach can save users 30 to 60 hours per month per project and ensures outreach happens consistently, 24/7.

ReplyGuy is ideal for businesses, agencies, and marketers seeking to expand their reach and connect with highly targeted audiences without the manual grind. It's especially valuable for those looking to boost brand visibility, drive new leads, and maximize engagement with minimal effort. Affiliates will find ReplyGuy an attractive offer for their audiences, thanks to its proven ability to deliver focused, efficient results and its appeal to any organization aiming to grow through smarter, AI-driven online engagement.