Best On-Premises Email Marketing Software of 2025

Act! Advantage, a full front-office CRM solution with all-new functionality that unites sales, marketing, and customer management in one intuitive, affordable platform, is the culmination of nearly four decades of feedback. Every feature is designed to reflect how today’s SMBs run their businesses and helps them stay organized, attract new customers, and turn relationships into results. Act! Advantage includes the largest injection of new functionality in Act’s history, broadening its footprint across your entire front office, and reducing your need for costly, third-party tools. Additionally, you can select the perfect fit, cost-effective tier to meet your current needs with peace of mind knowing that Act! will grow with you.

Interspire Email Marketer is the ultimate solution for businesses seeking full control over their email marketing. The self-hosted platform delivers powerful tools without tying you to monthly subscription fees—just a one-time investment for lifetime value. Key features include: - Advanced Campaign Management: Segment audiences, automate workflows, and deliver targeted campaigns with precision. - Robust Analytics: Get detailed insights into campaign performance even connect any BI tool of your choice. - Customizable: Adapt the platform to your specific business needs. - Scalability: Designed for businesses of all sizes, Interspire grows with you, handling everything from small newsletters to high-volume campaigns. - Data Ownership: Keep complete control of your data and ensure privacy in a self-hosted environment. Whether you are personalizing email journeys, nurturing leads, or enhancing customer engagement, Interspire gives you the tools to succeed.

Consolidate a wide range of applications and services into a singular ecosystem tailored for your business operations by utilizing Bitrix24. With an array of tools such as an activity stream, group chat, calendars, workgroups, and various collaboration features, Bitrix24 enables efficient planning and timely execution of projects. It offers both online and on-premise solutions, complete with open source code access, making it highly versatile for teams of any size. The platform includes collaborative task management, time tracking, reminders, reporting tools, templates, task dependencies, and much more to enhance productivity. Recognized as the world’s most popular free CRM by user count, with over 12 million companies, it provides exceptional real-time support features that ensure customer satisfaction and loyalty. Additionally, users can effortlessly design stunning websites, landing pages, and online stores without any coding knowledge, and benefit from free domain names and hosting. For those who prefer more control, the self-hosted version of Bitrix24 is available, allowing businesses to operate directly on their servers. This flexibility makes Bitrix24 a comprehensive solution for modern business needs.

MailCarry, a powerful, self-hosted email marketing tool that allows you to send unlimited emails, is available for download. MailCarry is a powerful self-hosted email marketing application that offers a wide range of features, including efficient contact and list management, as well as flexible sending, automated follow ups and drips. It is far ahead of other programs. MailCarry makes it easy to prepare your next sales call and email marketing campaign.

You can unleash your creativity and create powerful web solutions that manage content, implement marketing initiatives, and sell products. Fully integrated modules and reusable parts can speed up the time to value. You can extend the platform to create highly customized solutions. You can deploy on-premises and in the cloud. High-performance websites are possible with the latest ASP.NET Core VVC technology. You can easily scale up your solutions to handle more traffic and provide a consistent fast digital experience. The MVC development model allows you to create exceptional websites. You have full control over the front end rendering while keeping your solution architecture clean. Reusable widgets empower marketers to do more on their own. Easily sync work between marketers and developers. Set up different environments to facilitate the various stages of the development, content creation and deployment process. You can move coding, data, or content automatically from one environment to the next.

Email Marketing Automation for WordPress and you! FluentCRM is a self-hosted email marketing automation plugin for WordPress. All your WordPress dashboard features are available: Manage leads and customers, email sequences, learner management, affiliate management, and more. All the essential features to help you skyrocket your growth. Email marketing has the highest ROI. FluentCRM's email manager will allow you to create mass email campaigns that have higher conversion rates. Our simplified CRM will make it easy to master email marketing. A solid customer data platform is essential for a successful marketing campaign. FluentCRM makes it easy to see the customer's profile and track their purchase history.

IMPGo is an easy-to-use brand marketing platform that keeps everything you need to manage your brand in one shared place . From brand guidelines and data asset management to content creation and distribution, IMPGo offers a comprehensive suite of easy-to-use solutions to help marketing teams manage and grow their brand. With IMPGo, you can centralize all your brand resources and information in one convenient brand hub so everyone can easily locate the assets they need; allow employees to easily customize, personalize and localize engaging on-brand content, ensuring brand consistency and saving creative team resources; and easily distribute content and campaigns across online and offline channels including social media, email, and direct mail. IMPGo is a single solution with multiple benefits: -Maintain brand consistency -Localize, personalize, and customize content -Reduce marketing requests -Improve team collaboration and communication -Engage and empower employees Our mission is to deliver solutions that simplify how marketing teams manage and grow their brand. We are committed to quality, continuous innovation, and concierge-level service so that your success is possible.

Altcraft Platform is an Omnichannel CDP. Distributed as a private cloud, or on-premise software. - On-premise deployment allows you to tailor the software to your business needs. Cloud offers an account with tariffs that are based on customer profiles. FEATURES Collect customer profiles - The entire history of actions Multiple resource subscriptions - Location & device information - CRM & SQL Data Integration Customer profile 360 analytics Automate marketing workflow - Customer journey - A/B/n Test Tools - Content personalization - Static & dynamic segmentation - Web and messaging event tracking - Transactional messaging Easy and powerful email builder Communicate via digital channels - Messengers SMS Marketing - Rich mobile and Web Push - Banners, social and custom channels Forms Analytics in real-time - Pixel goals - Cohort analysis - Audience growth report - Interactive conversion funnels Summary reports

SuiteCRM is the award-winning Customer Relationship Management software. The application is fully scalable and enterprise-ready to meet any business size. The application can be customized to suit your current and future business processes. The best part is that the application is Open Source and free to all users.

Maximizer CRM Software is loaded with features for powerful client management! Your monthly subscription includes modules for Sales Management, Marketing Automation, Customer Service, and third-party integrations. Maximizer is unique in that it offers both a cloud CRM solution and an on-premise, self-hosted option. Choose the best option for you. Maximizer CRM is easy to use, and you owe it your customers! Maximizer CRM Wealth Management is an integrated customer relationship management system that can be used by organizations of any size. Maximizer CRM can be deployed both in the cloud or on-premise. Maximizer CRM features include sales automation, marketing automation, customer service and support, business productivity tools, and customer service and support. Maximizer CRM is compatible with Excel, SharePoint and Outlook. Maximizer CRM's business analytics tools include customizable dashboards.

Chamaileon – The Ultimate Email Design & Collaboration Platform Chamaileon revolutionizes the way teams create emails by centralizing every step of the workflow into a single, powerful platform. Whether you’re importing existing HTML or building a scalable Email Design System from templates or scratch, Chamaileon ensures efficiency, consistency, and seamless collaboration across your team. Empower non-technical employees and clients to customize and manage email templates without breaking them. With granular permission controls, you decide who can edit what, ensuring brand consistency while accelerating review and approval workflows. Thanks to real-time collaboration, multiple team members can build and refine emails together—just like working in Google Docs. Designed for Agile Email Workflows, Chamaileon eliminates bottlenecks in traditional email production. It allows designers, developers, and marketers to work smarter, not harder, reducing back-and-forth and freeing them to focus on strategic branding. Our no-code, high-precision email editor delivers pixel-perfect, responsive designs that meet even the most demanding standards. With Chamaileon, teams can streamline, scale, and democratize email creation.

If you need a cost-effective solution for measurable results to increase brand awareness and build stronger customer relationships nuevoMailer is the way to go. An email marketing software that can be self-hosted (deployed in-house) by businesses or any organization that needs a complete solution for email marketing. List management and segmentation, building and sending email campaigns, designing personalized newsletters, viewing and analyzing real-time reports with key performance metrics, and following up with drip emails and autoresponders are at the core of nuevoMailer. Different packages and licenses are available: standalone, WordPress plugin, Saas version for ESP providers. It works with all major SMTP services providers and it is suitable for all types of hosting. Taking it a step further, it also offers an API and a Zapier app. nuevoMailer has an efficient architecture with a distinct separation of entities like subscriber, mailing list, newsletter, campaign and sender profile. This opens a world of options not usually found in similar software.

Paytronix stands at the forefront as the premier provider of cutting-edge Digital Customer Engagement Solutions designed for establishments in the restaurant, convenience store, and retail industries. Over two decades of dedicated innovation, Paytronix has cultivated its Guest Engagement Platform, seamlessly weaving various elements of customer engagement into a unified and robust platform. With Paytronix, you can bring together Gift Cards, Online Ordering and Loyalty Programs, Customer Relationship Management, Online Ordering, Mobile Applications, and Reporting, all within a tech-savvy framework enhanced by the power of Artificial Intelligence. This holistic approach ensures that retailers can effortlessly consolidate their guest engagement initiatives into a single-source solution. This integrated platform empowers Paytronix clients to provide consistent and exceptional guest experiences, orchestrate sophisticated marketing campaigns that target specific customer segments, and deliver personalized 1:1 messages. Today, more than 1,800 esteemed brands place their trust in Paytronix to elevate their customer engagement strategies and foster stronger brand loyalties.

Bloomreach transforms the e-commerce landscape through personalization. Its innovative data engine consolidates real-time information about customers and products, enabling businesses to gain insights into true customer desires. By linking this insight across various channels, the e-commerce experience becomes boundless, adapting to customers’ evolving preferences as they shop. Powered by Loomi, Bloomreach's AI platform for e-commerce, this approach opens up countless new avenues for making purchases. The suite of Bloomreach products encompasses Engagement, a marketing automation tool; Discovery, an advanced e-commerce search solution; Content, a headless content management system; and Clarity, which offers AI-driven conversational shopping experiences. With numerous AI patents to its name, the company caters to a diverse array of global brands, including Williams-Sonoma, Bosch, Puma, and Marks & Spencer, illustrating its broad market impact. This comprehensive approach ensures that businesses remain competitive in a rapidly changing digital marketplace.

Sendy serves as a self-hosted email newsletter platform that allows users to dispatch trackable emails through Amazon Simple Email Service (SES). This capability enables you to send verified bulk emails at remarkably low costs while maintaining excellent deliverability. With Sendy, you can send rapid multi-threaded emails via Amazon SES for just $1 per 10,000 messages. Break free from the high costs associated with traditional email campaigns and the restrictions imposed by your hosting provider, all while benefiting from a remarkable deliverability rate. It offers exceptional value for your investment! You can view the performance of every campaign and autoresponder through visually appealing reports that display opens, clicks, bounces, complaints, and geographic data in an organized manner. It also allows you to export subscriber segments from your reports for re-targeting efforts. If you're managing various products or services, Sendy enables you to categorize them into groups known as 'brands.' You can even grant your clients access to their respective brands, allowing them to send newsletters independently at a price you determine. This flexibility makes Sendy an invaluable tool for both individual marketers and larger organizations.

Acelle Mail is a comprehensive, self-hosted Email Marketing Web Application built with PHP, designed to be user-friendly. It allows you to manage service plans and user subscriptions seamlessly while facilitating payments via users' PayPal or credit card accounts through platforms like Stripe, Braintree, or Paddle. The integration of Acelle's sending capabilities into your websites or applications is streamlined via a straightforward RESTful API, allowing for single or double opt-in processes, list segmenting, importing and exporting, and effective subscription management. Features such as blacklisting, automation or autoresponders, and message tracking for opens and clicks are also included. Additionally, it automatically manages bounce and feedback handling, enabling you to measure campaign performance through insightful reports. You can initiate email campaigns based on event triggers and respond automatically to recipient interactions like opens or clicks. The platform also offers a robust email automation workflow to enhance your marketing efforts. In parallel, Laravel serves as a free and open-source PHP framework that supports the development of powerful web applications while adhering to the MVC architectural pattern, making it a great choice for developers looking to create robust applications. Overall, both Acelle Mail and Laravel offer invaluable tools for modern web development and marketing strategies.

MailEngine is a self-hosted, autoresponder software. It is designed with an emphasis on inboxing and conveyance starting at the earliest stages. MailEngine is an autoresponder system. It is built right into WordPress for your convenience. MailEngine includes all the features of your autoresponder, and sends emails seamlessly to your customers. MailEngine Features: • Send emails via Gmail and GSuite with its integrated Gmail API integration • You can send an individual email every time with an in-built content spinner • An in-built spam detector alerts you if any spam word is found in a mail • URL spinner creates unique URLs every time you send mail. Clicking takes you to the correct page. • It is easy to set up email with its email scheduling feature, and you can send mail whenever you wish. • Automatically sends a follow-up mail sequence to everyone who subscribes to your mailing list • Supports GDPR compliance • Detail reporting

Octeth is a robust on-premise software designed for email marketing and audience management, tailored for enterprise needs. The community edition, which is available indefinitely at no cost, provides users with full access to advanced features, allowing the sending of GDPR-compliant mass emails to a subscriber list of up to 10,000, all without any charges. This makes it an attractive option for businesses looking to engage with their audience effectively while maintaining compliance with regulations.

Joltmailer is an easy-to-use, self-hosted PHP application designed for email marketing. This software facilitates various functions such as automating RSS to email processes on WordPress, managing email subscriptions, and sending out plain text emails. Additionally, it offers flexibility for users looking to enhance their email communication strategies.