The best affiliate programs like LeadStal in 2025

HubSpot is a leading inbound marketing, sales, and customer service platform designed to help businesses grow and streamline their operations. With a suite of powerful tools for email marketing, content management, social media marketing, web analytics, and search engine optimization, HubSpot provides a comprehensive solution for businesses looking to attract, engage, and delight customers. The platform also offers CRM capabilities that enable companies to manage and nurture customer relationships effectively, ensuring a seamless and integrated experience across all touchpoints.

HubSpot is ideal for small to medium-sized businesses as well as large enterprises seeking to enhance their marketing and sales efforts with a scalable, user-friendly solution. It caters to marketers, sales professionals, customer service teams, and business owners who aim to optimize their workflows, generate more leads, and increase customer retention. By promoting HubSpot, publishers can connect their audience with a trusted and versatile platform that empowers businesses to achieve their growth objectives.

AWeber is an email marketing and automation platform designed for small businesses, entrepreneurs, and content creators who want to build and engage their audience through email campaigns. It provides tools for creating professional newsletters, automating email sequences, and managing subscriber lists with ease. AWeber offers a range of customizable templates, a drag-and-drop editor, and powerful analytics to track campaign performance. With features like email automation, segmentation, and A/B testing, AWeber helps users optimize their email marketing efforts to drive engagement and sales. It's ideal for anyone looking to grow their online presence and build lasting relationships with their audience through effective email marketing strategies.

Freshworks is a leading software company that offers a suite of customer engagement and business management solutions designed to help businesses enhance their customer experiences and streamline operations. Their products cater to a wide range of industries, including customer support, sales, marketing, and IT service management.

Key products include Freshdesk, a customer support software; Freshsales, a CRM and sales automation tool; Freshservice, an IT service management solution; and Freshchat, a messaging and chat platform for customer engagement. Freshworks' tools are designed for businesses of all sizes, from startups to large enterprises, making it easier to manage customer relationships, improve team collaboration, and drive growth.

Mailerlite is a comprehensive email marketing platform designed to help businesses of all sizes create, manage, and optimize their email campaigns with ease. Known for its user-friendly interface and powerful features, Mailerlite offers drag-and-drop email design, automation workflows, subscriber management, and advanced analytics. Users can craft visually appealing newsletters, segment their audience for personalized targeting, and track campaign performance in real-time, ensuring maximum engagement and conversion.

Ideal for small to medium-sized businesses, entrepreneurs, and digital marketers, Mailerlite provides all the essential tools to build strong customer relationships and drive growth. It also offers seamless integrations with various e-commerce platforms, CRM systems, and more, making it a versatile choice for those looking to streamline their marketing efforts. With Mailerlite’s affordable pricing plans and robust support, publishers can confidently promote a solution that delivers tangible results for their audience.

Linkter is an AI-assisted internal linking tool designed specifically for WordPress websites, helping users optimize their content for better SEO performance and user experience. By automating the internal linking process, Linkter eliminates the need for manual tracking, searching, and updating of links, saving users hours of repetitive work each week. Its advanced recommendation system, anchor text manager, and integration with tools like OpenAI, Claude, Google Search Console, and WordPress allow users to generate smart, contextually relevant internal links and even rewrite content as needed, all from a single platform. Linkter supports over 100 languages and can handle websites with up to 5,000 pages, making it suitable for consultants, agencies, content publishers, and enterprise teams.

This solution is ideal for SEOs, website owners, agencies, and publishers who want to maximize their site's crawlability, indexation, and keyword rankings without compromising on quality or spending excessive time on manual linking. Affiliates will find Linkter an attractive product to promote due to its proven ability to boost pageviews, improve user engagement, and accelerate ranking improvements for WordPress sites, making it a valuable asset for anyone looking to streamline their SEO processes and achieve better results faster.

Kwestify is an all-in-one keyword and niche research platform designed to empower marketers, affiliates, and content creators with advanced tools for discovering profitable online opportunities. The service combines over 20 powerful features, including niche and product research, keyword competition analysis, trending keyword discovery from platforms like Google, Amazon, and YouTube, as well as tools for local SEO, title generation, and domain name suggestions. With intuitive workflows and AI-driven functionalities, Kwestify simplifies the process of finding low-competition, high-impact keywords, generating content ideas, and optimizing campaigns for maximum reach and conversions. Its integration with content automation tools like AIWiseMind further streamlines content creation, making it easy to transform research insights into SEO-optimized articles.

Kwestify is ideal for affiliate marketers, bloggers, agencies, and digital entrepreneurs seeking to dominate their niches and accelerate growth through data-driven decision-making. Its user-friendly interface, veteran-backed development team, and commitment to ongoing updates make it a reliable asset for anyone looking to boost their online presence and revenue. Affiliates promoting Kwestify can appeal to audiences who want a comprehensive, affordable, and efficient solution for keyword research, niche discovery, and content creation—making it a compelling choice in the digital marketing space.

Krumzi is an intuitive online platform designed to help individuals and businesses effortlessly create custom marketing graphics and videos for their social media channels. With a focus on speed and ease of use, Krumzi enables users to design cohesive, attention-grabbing visuals that align perfectly with their brand, all without the need for expensive designers or complex software. Its suite of features includes a fully customizable image editor, a user-friendly video editor, automation tools to streamline repetitive tasks, and brand kits to ensure visual consistency across every post.

Ideal for entrepreneurs, small businesses, content creators, and social media managers, Krumzi is a perfect solution for anyone looking to enhance their online presence and make a strong first impression. Affiliates will find Krumzi appealing to promote, as it offers a valuable, affordable tool that empowers users to grow their audience and build their brand efficiently, making it a compelling choice for those seeking to simplify and amplify their social media marketing efforts.

JSONViewer.tools is a comprehensive online platform designed to help users visualize, edit, and analyze JSON, YAML, and CSV data with ease. The service offers a robust suite of features including interactive graph creation, graphical comparison of JSON files, custom diagram generation, and AI-powered tools for sketch-to-diagram and dummy data generation. Its user-friendly interface, multi-format support, and secure cloud storage make it an indispensable tool for developers, data analysts, and anyone working with structured data formats. Additionally, the platform provides both a powerful Chrome extension and seamless workflow integration, allowing users to visualize and manipulate data directly within their preferred environments.

This tool is especially valuable for software developers, data professionals, and visualization enthusiasts who require intuitive and efficient ways to make sense of complex data structures. Affiliates will find JSONViewer.tools an attractive program to promote, as it addresses common pain points in data handling and visualization, offers both free and premium plans, and is consistently updated with new, user-driven features—making it a practical solution for a broad and growing market.

InvoicingAPI is a versatile and developer-friendly invoicing platform designed to make creating, customizing, and managing invoices seamless for businesses of all sizes. With support for global tax regulations, a robust library of customizable templates, and the ability to generate beautifully formatted PDF invoices via a simple API call, InvoicingAPI streamlines the entire invoicing process. Users can invoice clients in any currency, integrate payment links for faster transactions, and manage payments, refunds, and payouts from an intuitive dashboard—all while enjoying a generous free tier and no fees on payments. The platform is platform-independent, supports unlimited app integrations with a single API key, and offers built-in safeguards to prevent accidental request overloads.

InvoicingAPI is a perfect solution for SaaS providers, e-commerce businesses, marketplaces, consultants, POS systems, and CRM developers looking to add dynamic, tax-compliant invoicing without heavy development overhead. Its ease of integration, high degree of customization, and focus on security and scalability make it an excellent choice for affiliates to promote, appealing to a broad audience of businesses seeking efficient and reliable invoicing solutions.

InvoiceAhoy is a streamlined invoicing solution designed for developers and businesses that need to create, store, and deliver professional invoices directly from any web platform. Featuring an easy-to-use API, pre-built invoice templates, and integration options like Zapier, InvoiceAhoy takes the hassle out of invoice generation. With built-in compliance for global jurisdictions, automatic translation for localized customer communication, and secure encrypted document storage, users can quickly generate and send invoices that look great and meet all regulatory requirements.

This service is ideal for SaaS companies, online marketplaces, freelancers, and any business that needs reliable, automated invoicing integrated into their workflows. Affiliates will find InvoiceAhoy an attractive option to promote due to its developer-friendly approach, flexible pricing plans, and broad appeal for businesses seeking an efficient, compliant, and modern invoicing solution.