The best affiliate programs like PDF-API.io in 2025

KAppMaker is a powerful boilerplate solution designed to help developers rapidly create and launch high-performance native mobile apps for both Android and iOS using a single Kotlin Multiplatform codebase. The platform comes packed with pre-built features such as authentication (Google and Apple), push notifications, in-app purchases and subscriptions, onboarding, in-app reviews, customizable UI themes, and robust navigation—all configured and ready to use. KAppMaker also supports fast AI integration, enabling developers to add advanced AI features like OpenAI GPT models and image generation with DALL-E, as well as secure backend management with Firebase Functions. Automated CI/CD workflows make publishing to the App Store and Google Play seamless, while comprehensive documentation and lifetime updates ensure a smooth development process for all skill levels.

KAppMaker is ideal for indie developers, small teams, and agencies looking to dramatically reduce the time and complexity of building cross-platform mobile apps. It’s especially valuable for those wanting to monetize quickly, integrate modern AI tools, and customize the user experience without reinventing the wheel. Affiliates will find KAppMaker an attractive product to promote thanks to its one-time purchase model, broad appeal among mobile developers, and strong value proposition for anyone seeking to turn app ideas into reality faster and more efficiently.

JuxtaCode is a powerful and intuitive Git diff and merge tool designed specifically for macOS users. It allows developers to browse commits, compare branches, and visualize file changes with ease, offering features like side-by-side 2-up diffs, syntax highlighting, commit search, and detailed commit inspection. The platform stands out with its adaptive 3-way merge tool, which simplifies resolving tricky merge conflicts by clearly labeling conflicting commits and highlighting line-level and word-level changes dynamically as you type. JuxtaCode also supports filtering by branch, tag, or file, and integrates seamlessly with popular Git clients, Visual Studio Code, and the command line for maximum flexibility.

JuxtaCode is ideal for software developers, teams, and anyone who regularly works with Git repositories and needs to review, compare, or merge code efficiently. Its user-friendly interface, macOS-native design, and robust feature set make it a valuable asset for managing code changes and collaborations. Affiliates will find JuxtaCode a compelling product to promote, as it solves real pain points for developers and appeals to a wide audience looking for a streamlined and visually engaging Git workflow on the Mac platform.

Intellecs.ai is an AI-powered study platform and note-taking app designed to streamline and enhance the learning experience for students. Combining note-taking, AI chat, flashcard creation, and deep research tools into a single intuitive platform, Intellecs.ai enables users to organize and restructure their notes effortlessly, create and study flashcards, perform advanced research, and leverage AI to clarify and expand their study materials. Its markdown-based formatting, drag-and-drop functionality, and keyboard shortcuts keep the workflow seamless and distraction-free, while AI-powered features help users build comprehensive, well-structured notes and generate flashcards automatically.

Ideal for students, lifelong learners, and anyone looking to consolidate their learning tools, Intellecs.ai eliminates the need for juggling multiple apps or subscriptions. With its focus on active recall, spaced repetition, and consistent study habits, it supports learners in retaining information effectively and preparing thoroughly for exams. Affiliates will find Intellecs.ai an appealing choice to promote due to its innovative all-in-one approach, strong value proposition, and appeal to ambitious students seeking smarter, more efficient study solutions.

InPrivy is a secure platform designed for safely sharing sensitive information such as passwords, API keys, confidential notes, and files online. Unlike traditional methods like email or chat, where private data remains visible and vulnerable, InPrivy provides one-time encrypted links that ensure your information is accessible only to the intended recipient and is automatically voided after use. The platform is GDPR compliant, hosted in Germany with robust AES-256 encryption, and offers additional privacy features like customizable branding, domain options, password protection, team management, API access, and detailed usage notifications—all with a simple, intuitive interface.

InPrivy is an excellent solution for professionals and teams—such as law firms, accountants, IT companies, and agencies—who regularly need to exchange confidential data securely. Affiliates will find InPrivy appealing to promote due to its strong privacy credentials, lifetime pricing with no subscriptions, and broad appeal to businesses prioritizing data protection and compliance. Its ease of use and commitment to privacy make it a valuable tool for anyone needing to share sensitive information online without compromise.

Inlinkify is an AI-powered platform designed to help website owners and SEO professionals maximize their search engine rankings by optimizing internal linking structures. By scanning all pages of a website, Inlinkify intelligently identifies missing internal links and suggests relevant linking opportunities between existing content. This process not only ensures that search engines can better understand the structure and relationships within a website but also helps distribute link equity more effectively, making important pages more visible in search results.

This tool is particularly valuable for businesses, content creators, agencies, and anyone investing in content who wants to increase their site's discoverability and user engagement. Affiliates will find Inlinkify appealing to promote because it addresses a critical aspect of SEO that is often overlooked, helping clients protect and enhance the value of their content investments while delivering measurable improvements in rankings and user retention.

inFlight is an advanced sound add-on designed for Microsoft Flight Simulator 2020 and 2024, offering dynamic, AI-powered crew and passenger announcements that adapt to each unique flight. Leveraging real-time flight data, routes, weather, and airports, inFlight delivers immersive pilot and crew communications in over 50 languages and accents, ensuring that every flight experience feels authentic and engaging. Unlike traditional audio packs that use static recordings, inFlight's announcements are hands-free and automatically triggered according to the various phases of flight, providing a seamless and realistic atmosphere. The add-on is easy to install, requires no additional programs or complex customizations, and includes ongoing updates with the latest AI-driven features.

This product is ideal for flight simulation enthusiasts who want to elevate their MSFS experience with realistic audio immersion, as well as for streamers and content creators seeking to enhance the authenticity of their virtual flights. Affiliates will find inFlight a compelling choice to promote due to its unique AI technology, ease of use, multilingual capabilities, and strong appeal to the large and passionate MSFS community, making it a valuable addition to any affiliate program focused on gaming or simulation tools.

Indexed is an automated SEO platform designed to simplify and enhance website search visibility by streamlining the indexing process. It connects directly to your Google Search Console, allowing users to effortlessly manage which pages are indexed or de-indexed by search engines. With features like automatic sitemap syncing, regular page syncing, and AI-powered analysis, Indexed provides comprehensive control over a website’s presence in search results. The platform is set to expand with upcoming tools for keyword research, backlink tracking, and actionable insights, making it a versatile solution for ongoing SEO optimization.

Ideal for website owners, digital marketers, and businesses aiming to improve their rankings quickly and efficiently, Indexed is particularly beneficial for those seeking a hands-off approach to technical SEO tasks. Affiliates will find it appealing to promote due to its user-friendly setup, generous free plan, and the promise of continuous feature enhancements, making it a solid choice for anyone looking to boost their site’s search performance with minimal effort.

Imagifly is a user-friendly platform designed to simplify the process of generating AI images by offering customizable prompt libraries. Users can easily create, save, and organize their favorite prompts, making it effortless to produce stunning visuals using popular generative AI tools like Midjourney, Dall-E, or Photoshop. By streamlining prompt management, Imagifly helps both beginners and advanced users get consistent, high-quality results from their preferred AI image generators.

Imagifly is ideal for digital artists, content creators, marketers, and anyone leveraging AI-powered image generation in their workflow. Affiliates will find Imagifly appealing to promote due to its practical utility, broad compatibility, and time-saving features, making it a valuable tool for anyone seeking to enhance their creative process with AI technology.

Immokalkulation.de is a professional real estate calculation tool designed to streamline property analysis for investors, agents, and anyone involved in real estate transactions. The platform offers comprehensive features for evaluating real estate investments, enabling users to make informed decisions based on detailed financial projections, cost breakdowns, and profitability assessments. Its user-friendly interface and robust calculation capabilities cater to both seasoned professionals and newcomers seeking accuracy and efficiency in their real estate evaluations.

This service is especially beneficial for real estate investors, brokers, and consultants who require reliable tools to assess property opportunities and present clear analyses to clients or partners. Affiliates promoting Immokalkulation.de can target a growing market of property professionals and private investors looking for powerful yet accessible solutions to optimize their investment decisions, making it an appealing choice for those in the real estate niche.

H2R Graphics is a versatile graphics overlay application designed for live streams and video productions. It enables users to easily create, customize, and manage a wide range of on-screen graphics, including lower thirds, tickers, messages, timers, images, videos, and more. With a simple three-step setup—download, add graphics, and output overlays—H2R Graphics streamlines the process of enhancing live content with professional-quality visuals. The software offers both a feature-rich free version and a Pro license with additional advanced capabilities such as video playback, animated graphics, multi-output support, theme packs, and dynamic data integration.

Ideal for content creators, event producers, educators, and organizations running live video events, H2R Graphics is a powerful yet accessible tool that fits seamlessly into most video production pipelines, supporting platforms like OBS, vMix, and ATEM switchers. Affiliates will find it an attractive product to promote thanks to its broad appeal, ease of use, and robust feature set—including offline functionality, unlimited graphics, and extensive customization options—which make it a go-to solution for anyone looking to elevate the visual impact of their live broadcasts.