The best affiliate programs like GuestLab in 2025

Stella AI is an innovative AI-powered productivity assistant designed to streamline daily tasks directly through WhatsApp, eliminating the need for additional apps or logins. Acting as a virtual executive assistant, Stella can draft and send emails, schedule meetings, manage to-dos and reminders, transcribe voice notes, and even integrate with Notion—all from the convenience of a chat interface. Users benefit from 24/7 support, the ability to link multiple email accounts, and features such as AI-powered research and instant note-taking, making it a cost-effective alternative to traditional human assistants.

Stella AI is ideal for busy professionals, entrepreneurs, and small business owners looking to automate routine admin work and reclaim valuable time. Its intuitive WhatsApp integration makes it accessible for anyone seeking to boost productivity without disrupting their workflow. Affiliates will find Stella AI an attractive offering thanks to its broad appeal, affordable pricing tiers, and strong focus on privacy and security, ensuring high user satisfaction and retention.

Simple Signature is a minimalist email signature editor designed to create clean, professional signatures that are compatible across all email platforms. By focusing on simplicity, it avoids font inconsistencies and unnecessary elements, using just one image to ensure your signature always looks polished and cohesive. The tool allows users to generate a signature quickly and easily, eliminating the hassle of complicated formatting or technical issues.

This service is ideal for professionals, freelancers, and businesses seeking a reliable, straightforward way to present their contact information in emails without distractions or formatting problems. Affiliates will find Simple Signature appealing to promote because it solves a common pain point, offering a free, user-friendly solution that delivers consistent results and enhances users' professional image with every email they send.

Shakespeare Toolbar is a versatile AI-powered Chrome extension designed to elevate your writing and reading experience across any website, including Google Docs and social platforms like LinkedIn and Twitter. With a one-time purchase, users can access features such as instant rephrasing for improved readability, text summarization, grammar and spelling correction, and the ability to simplify content into easy-to-digest bullet points. The toolbar also streamlines communication by enabling quick, friendly, and polite responses for emails or customer support, all without the need to switch between tabs or external tools. Supporting a wide array of languages, Shakespeare Toolbar makes AI assistance accessible and efficient for users worldwide.

This tool is ideal for content creators, professionals, students, and anyone who wants to write smarter, faster, and more efficiently online. Affiliates will find Shakespeare Toolbar an attractive product to promote due to its broad appeal, lifetime value at a competitive one-time price, and practical benefits that enhance productivity and communication for users in any industry or language.

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.

Saner.ai is an AI-powered platform designed to help individuals and teams boost productivity, creativity, and organization. By leveraging advanced artificial intelligence, Saner.ai enables users to capture, manage, and recall information effortlessly. Its core features include smart note-taking, seamless knowledge organization, and powerful search capabilities, allowing users to find insights and connections across their notes and documents with ease. The platform also offers integrations with popular tools, ensuring a smooth workflow and enhanced collaboration.

Saner.ai is an excellent choice for knowledge workers, students, researchers, and professionals who need to organize large amounts of information and streamline their workflows. Affiliates will find it appealing to promote due to its innovative approach to information management, practical benefits for productivity, and wide relevance across various industries and user types seeking smarter ways to manage and utilize knowledge.

ResumeUp.AI is an advanced AI-powered resume builder and job search toolkit designed to help job seekers craft standout, ATS-friendly resumes quickly and easily. The platform offers over 20 professionally designed templates optimized for Applicant Tracking Systems, intelligent content suggestions, resume analysis tools, and a unique conversational AI assistant for resume creation and refinement. Users can build resumes from scratch, import their LinkedIn profiles, or enhance existing documents, ensuring their applications meet the latest industry standards and maximize their chances of landing interviews.

Ideal for students, professionals, and career changers across all industries, ResumeUp.AI streamlines every step of the job search process—from resume and cover letter generation to LinkedIn optimization and job application tracking. Affiliates will find ResumeUp.AI an attractive program to promote, as it addresses a universal need for effective job search tools and appeals to a broad audience seeking to elevate their career prospects with cutting-edge AI technology.

ResumeDive is an AI-powered platform designed to help job seekers create and optimize resumes that stand out to recruiters and meet specific job requirements. By leveraging advanced artificial intelligence, ResumeDive offers tools such as an AI resume builder, keyword analysis tailored to job descriptions, ATS-friendly templates, and the ability to generate unique resumes and cover letters for each application. The process is streamlined and efficient—users simply upload their existing resume and job description to receive personalized recommendations, enabling them to quickly produce targeted, hirable resumes in just minutes.

This service is ideal for professionals at any stage of their career who want to gain a competitive edge in the job market, from entry-level applicants to experienced industry veterans. ResumeDive is also a strong choice for affiliates to promote because it addresses common pain points in the job application process, saves users significant time, and increases their chances of landing interviews by delivering high-quality, tailored resume solutions.

Releases is a straightforward changelog software designed to help businesses, developers, and product teams efficiently communicate product updates, new features, and bug fixes to their customers and stakeholders. With a clean, intuitive interface and a powerful editor supporting images, code examples, and an AI assistant, Releases makes it easy to create and publish detailed release notes. Users can customize their changelog to match their brand, utilize custom domains, and notify subscribers through email or an on-page widget. The platform offers features like unlimited entries, team members, subscribers, post scheduling, GitHub sync, API access, regular backups, and a 99.9% uptime guarantee—all for a one-time, affordable payment with no recurring fees.

This tool is ideal for SaaS companies, software developers, IT teams, and any organization seeking a reliable way to keep their user base informed and engaged with ongoing product development. Affiliates will find Releases a compelling product to promote due to its simplicity, transparent pricing, lifetime access, and its value in building user trust through consistent, transparent communication. Its focus on ease of use, brand customization, and strong customer support make it an appealing choice for teams looking to maintain professional and effective changelogs without unnecessary complexity.

Recurrr is an email automation tool designed to help users effortlessly send recurring emails from their existing Gmail, Outlook, or other email accounts. With an intuitive interface and quick five-minute setup, Recurrr allows you to schedule emails to be sent automatically at intervals you define, turning repetitive communications into a streamlined, hands-off process. Its powerful natural language processing feature makes setting up complex schedules easy, while a calendar view offers clear visibility into your upcoming automated messages. All emails are sent securely using AES-256 encryption, with a privacy-first approach that ensures no access to your inbox or contacts.

This service is ideal for managers, entrepreneurs, sales professionals, team leaders, and anyone looking to replace routine meetings or reminders with automated emails. It's also perfect for individuals seeking accountability for recurring tasks. Affiliates will find Recurrr appealing to a broad user base thanks to its simplicity, privacy focus, affordable pricing, and compatibility with any modern browser—making it a valuable, easy-to-promote solution for boosting productivity and saving time.

PDF-API.io is an intuitive and powerful PDF generation platform designed to simplify the creation, customization, and automation of professional PDFs. It features a user-friendly drag-and-drop designer as well as an advanced HTML editor, catering to both non-technical users and developers. With dynamic data integration, customizable templates, fillable form fields, and support for images, QR codes, and barcodes, users can create pixel-perfect, branded documents in minutes. The platform also offers robust workflow optimization tools, flexible page management, advanced table controls, and seamless integration through a REST API or no-code tools like Zapier, making it easy to automate document processes across various business systems.

PDF-API.io is ideal for freelancers, small businesses, enterprises, and developers who need efficient and scalable PDF generation for invoices, reports, contracts, and more. Affiliates will find this service attractive to promote due to its wide market appeal, affordable pricing plans, and accessibility for users of all skill levels. Its combination of powerful features, ease of integration, and focus on workflow automation makes it a compelling solution for any business seeking to streamline document management and delivery.