The best affiliate programs like Inbox Zero in 2025

TapRefer is an affiliate marketing platform designed to help businesses grow their customer base through seamless referral and affiliate programs. The service offers an intuitive and easy-to-use dashboard where brands can manage campaigns, track performance, and analyze results in real time. TapRefer emphasizes simplicity and efficiency, allowing businesses to quickly launch and customize their own affiliate programs without the need for complex technical integrations.

This platform is particularly beneficial for ecommerce stores, SaaS businesses, and online services looking to leverage word-of-mouth and influencer partnerships to accelerate growth. Affiliates will find TapRefer an attractive option to promote, as it enables brands to increase sales through performance-based rewards, making it a win-win for both merchants and affiliates seeking reliable, scalable earning opportunities.

StockIntent is a comprehensive investment research platform designed to help investors make smarter, data-driven decisions in the stock market. By combining trustworthy financial data with advanced backtesting capabilities, StockIntent empowers users to analyze companies quickly, test investment strategies, and uncover new opportunities without relying on market rumors or manual spreadsheets. Key features include a powerful stock screener with over 4,000 metrics, a proprietary company ranking system, detailed company reports, intuitive valuation models, robust backtesting tools, and customizable watchlists. The platform is tailored for various investment styles—value, growth, dividend, and momentum investing—offering pre-built models and visual analytics to simplify and accelerate investment research.

StockIntent is ideal for individual investors, financial enthusiasts, and professionals seeking to optimize their portfolios and reduce the noise in their decision-making process. Affiliates will find it an attractive product to promote thanks to its modern, user-friendly interface, extensive feature set, and broad appeal to anyone looking for an edge in the stock market. Its free 7-day trial and accessible pricing further lower the barrier for new users, making StockIntent a compelling choice for those serious about elevating their investment strategies.

staarter.dev is a comprehensive SaaS starter kit built on Next.js, designed to help developers and entrepreneurs launch fully-featured SaaS applications quickly and efficiently. It comes packed with essential features such as secure authentication with social logins and multi-factor support, integrated billing via Stripe, Paddle, or LemonSqueezy, full localization capabilities, intuitive admin dashboards, usage limits, analytics integration, AI streaming, and a customizable design system. The kit is crafted for extensibility and developer-friendliness, supporting a modern tech stack including TypeScript, Prisma, tRPC, Tailwind CSS, and more, all backed by thorough documentation, a supportive community, and lifetime access with a one-time payment.

This product is especially beneficial for solo founders, indie hackers, and development teams looking to save significant time on boilerplate and foundational setup, allowing them to focus on building unique features and growing their SaaS business. Affiliates will find staarter.dev an attractive offer for their audience, as it delivers a high-value, flexible solution that accelerates go-to-market while ensuring scalability, security, and great user experience right from the start.

Square UI offers a comprehensive collection of professionally designed user interface kits and components tailored for modern web and mobile applications. Focused on clean aesthetics and intuitive usability, Square UI provides developers and designers with a versatile toolkit that streamlines the process of building visually appealing and highly functional digital products. The platform features a range of customizable elements, including navigation bars, buttons, forms, and icons, all crafted to ensure consistency and ease of integration across various projects.

Ideal for web developers, UI/UX designers, and digital product teams looking to accelerate their workflow, Square UI simplifies the design process and enhances productivity. Affiliates will find Square UI an attractive product to promote, as it addresses the growing demand for quality design assets that help users save time, maintain design standards, and deliver polished user experiences without starting from scratch.

Sprrrint is a comprehensive design resource platform tailored for modern designers, offering an extensive library of over 300 professionally crafted Figma and Framer components, templates, and gradients. With resources updated daily, users can quickly find and implement high-quality design elements, eliminating the need to create components from scratch. The platform emphasizes efficiency and creativity, enabling freelancers and design teams to complete projects in days rather than months, all while ensuring a cohesive and polished look in every design.

Sprrrint is ideal for freelance designers, creative teams, and agencies seeking to streamline their workflow and elevate the quality of their projects with ready-to-use assets. The platform’s one-time payment options and 100% commercial use license make it an attractive, cost-effective solution. Affiliates will find Sprrrint easy to promote thanks to its strong value proposition, growing popularity among designers, and the tangible benefits it brings to anyone looking to work smarter and stand out in the design industry.

Spotlight FX is an all-in-one plugin for Adobe Premiere Pro and After Effects, designed to streamline and enhance the video editing process for creators at any skill level. It provides instant access to a vast library of over 2,000 premium assets, including transitions, text presets, overlays, cinematic looks, camera shake effects, and more—all fully customizable and integrated seamlessly into your editing timeline. With intuitive controls for fonts, colors, and layouts, Spotlight FX makes it easy to produce professional-quality videos quickly, while built-in workflow tools like anchor point movers and global renamers help reduce manual steps and speed up repetitive tasks. Assets are responsive to different resolutions, sync automatically with updates, and are available for both Mac and Windows users.

Spotlight FX is ideal for video editors, content creators, YouTubers, marketers, and designers who want to elevate their content without sacrificing speed or creative control. Whether you produce event highlights, social media videos, ads, or motion graphics, this toolkit offers reliable, time-saving solutions that keep your workflow efficient and your results polished. For affiliates, Spotlight FX is a strong choice to promote thanks to its broad appeal, recurring value through continuous updates, and a proven track record of user satisfaction among both professionals and hobbyists in the fast-growing video content market.

Spiritix offers a selection of premium Ghost themes designed to elevate the look and functionality of any Ghost-powered website. Their themes are meticulously crafted to ensure both aesthetic appeal and flexibility, making it easy for users to customize their sites to fit a variety of needs. Key features include free updates, comprehensive documentation, and responsive support, ensuring a seamless experience for users from installation to ongoing maintenance. The flagship themes, such as Bright and Doks, cater to diverse use cases—Bright is a multipurpose theme ideal for landing pages, mini-courses, blogs, newsletters, and help centers, while Doks specializes in creating modern documentation sites, knowledge bases, and help centers.

These themes are perfect for bloggers, content creators, educators, and businesses looking to build a professional and visually striking online presence with Ghost. Affiliates promoting Spiritix themes can confidently recommend them to audiences seeking high-quality, user-friendly solutions for launching or upgrading their Ghost sites, backed by reliable support and ongoing enhancements.

SortPin is a browser extension designed to supercharge the Pinterest experience for creators, marketers, and enthusiasts. By unlocking hidden data on pins—such as repin counts, likes, comments, and creator follower numbers—SortPin allows users to analyze content performance, identify lucrative niches, and stay ahead of emerging trends. The extension also streamlines the discovery process by filtering ads, enables effortless high-quality image and video downloads, and provides advanced analytics to monitor trends and competitors’ ad strategies. With support for up to five devices, regular updates, and compatibility with Chrome and Firefox, SortPin offers both free and premium options, making powerful Pinterest insights accessible to everyone.

Ideal for content creators, affiliate marketers, e-commerce sellers, and anyone looking to maximize their Pinterest presence, SortPin stands out as an essential tool for growth and engagement on the platform. Its user-friendly features and data-driven approach make it a compelling choice for affiliates to promote, offering tangible benefits that help users discover new opportunities, generate leads, and outperform the competition on Pinterest.

Softoultra is a dynamic platform designed to help users discover and showcase innovative startups and products from around the world. Serving as an extensive startup directory, Softoultra allows founders and creators to list their ventures for free, making it easier to gain visibility and connect with a wider audience. Each listed startup receives a dedicated page, ensuring products and companies stand out and are easily accessible to potential users and collaborators. The platform supports a wide range of modern companies, micro-startups, and side projects, with manual review processes in place to maintain quality and relevance.

Softoultra is ideal for entrepreneurs, makers, and early-stage startups seeking exposure, as well as for enthusiasts and investors looking to explore the latest innovations. Affiliates will find Softoultra an appealing program to promote, as it offers genuine value to both startup founders and those interested in discovering new products. Its free listing option, coupled with opportunities for paid features and advertising, makes it a versatile choice for affiliates aiming to target the tech, business, and entrepreneurial communities.

SocialStats is a user-friendly platform designed to supercharge your social media engagement by enabling you to create eye-catching animated videos and GIFs in minutes, without any need for video editing or design skills. With a wide selection of professionally designed templates, customizable backgrounds—including vibrant animated options—and unique features like confetti effects and custom fonts, SocialStats empowers users to quickly transform ordinary stats or updates into captivating visual content. The tool offers an intuitive interface and free credits to get started, making it easy for anyone to generate standout posts for platforms like Facebook, Instagram, TikTok, Twitter, LinkedIn, Reddit, and WhatsApp.

SocialStats is ideal for social media managers, small business owners, influencers, and marketers looking to boost their visibility and audience engagement with minimal effort. Affiliates will find SocialStats a compelling product to promote, as it addresses a common pain point—time-consuming video creation—while delivering measurable results in engagement increases. Its accessible pricing, free trial, and proven ability to enhance social media performance make it an attractive solution for anyone aiming to grow their online presence.