open source email management software - AI tools

Plunk is an open-source email platform that combines marketing, transactional, and broadcast emails into a single, affordable solution with transparent pricing and EU-based data privacy.

• Freemium

Cuttlefish is an open-source transactional email service that ensures email delivery, provides real-time analytics, and maintains email reputation through bounce handling.

• Free

Mailing is an open-source AI-powered tool that enables developers to create, preview, and send responsive emails using React and MJML, with features like hot reload and transport-agnostic sending.

• Freemium

Mail-in-a-Box is an open-source solution that transforms a fresh cloud computer into a fully functional, self-hosted mail server with webmail, contacts, calendar synchronization, and automated security features.

• Free

YMOZ is an open-source email service that provides secure, private email hosting powered by 100% renewable energy from Finland, featuring custom domain support, encryption, and synchronization capabilities.

• Free

Migadu is an independent email hosting platform providing unlimited email addresses and domain management at a flat, usage-based price. Designed for privacy and control, it offers standards-based webmail, robust security, and spam-free service for individuals, businesses, and agencies.

• Paid
• From 9$

Emailit is a pay-per-use email delivery platform that enables developers and marketers to send transactional and marketing emails with lightning-fast delivery, comprehensive tracking, and easy integration via API or SMTP.

• Usage Based

EasyMail7 is a hybrid in-house email marketing software for Windows that enables businesses to send personalized email campaigns while keeping subscriber data secure on their own servers.

• Free Trial

Gaggle Mail is a cloud-based group email platform that enables organizations to manage email discussion lists with custom domains, full admin controls, and 24/7 support. It offers reliable delivery, member management tools, and is free for groups up to 1,000 members.

• Freemium
• From 10$

Mailtrap provides comprehensive email testing and delivery solutions with an Email Sandbox for debugging and an Email API/SMTP service for reliable sending, trusted by over 150,000 monthly active users.

• Freemium
• From 14$

Mailman 3 SaaS provides enterprise-grade mailing list management solutions with unlimited lists, dedicated servers, and high-volume email delivery capabilities for businesses of all sizes.

• Freemium
• From 15$

CrossBox is a comprehensive, self-hosted communication suite that integrates email, chat, files, contacts, and notes into a single dashboard, designed for businesses and service providers seeking advanced collaboration tools.

• Contact for Pricing

Axigen is an all-in-one mail server software offering secure, customizable, and scalable email solutions for businesses, ISPs, Telcos, and managed service providers.

• Freemium

Missive is a collaborative email platform designed to improve team communication and workflow efficiency. It offers features like shared inboxes, task management, and internal chat, all within the email environment.

• Paid
• From 14$

Volamail simplifies email template creation and sending. It uses AI to assist with writing and editing, and allows sending emails via a simple API call.

• Freemium
• From 19$

SendPortal is an open-source, self-hosted email marketing platform that enables businesses to manage newsletters and campaigns at a fraction of the cost of commercial alternatives.

• Other

Cloudy.Email is a cloud-based email marketing platform that offers affordable bulk email sending starting at $1 for 10,000 emails, featuring unlimited contacts and lists, high deliverability through Amazon AWS infrastructure, and 24/7 live customer support.

• Freemium
• From 5$

MailSend is an email marketing platform within the 500apps suite, designed to help businesses create, send, and automate email campaigns and newsletters with tools like a drag-and-drop builder and drip campaigns.

• Free Trial
• From 15$

one.email is an email client designed to unify multiple email accounts, reduce distractions, and enhance productivity with AI features like contextual search.

• Free Trial
• From 7$

KumoMTA is an open-source, high-performance Mail Transfer Agent (MTA) designed for enterprise-level email delivery, offering robust customization and scalability.

• Free

HEML is an open source markup language for building responsive emails, offering native HTML power without email quirks to simplify email development.

• Free

Labnify offers email marketing solutions including bulk email sending, list verification, automation, and a transactional email API to enhance sales conversion.

• Paid

Hermes SEG is an open source email gateway offering robust spam, virus, and malware protection along with advanced encryption and archiving features for secure business communications.

• Freemium

Mango Mail offers a cost-effective professional email service with unlimited domains and users for a simple, usage-based monthly fee. Its intuitive dashboard, advanced migration tools, and robust security features make it ideal for businesses of all sizes.

• Paid
• From 2$

Mailcatch is an advanced email and SMTP testing tool designed for developers to efficiently organize, validate, and share test emails within projects and teams.

• Freemium
• From 15$