6 Best Open Source Bento Alternatives
A curated collection of the 6 best open source and self-hosted alternatives to Bento in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Bento in 2026? The top open-source alternative is Listmonk — Self-hosted newsletter and mailing list manager.
Other highly rated open-source Bento alternatives include Billion Mail, Plunk and Notifuse.
Self-hosted newsletter and mailing list manager
listmonk is a high-performance, self-hosted newsletter and mailing list manager designed for sending both email campaigns and transactional emails. Built as a single binary application, it offers robust features while maintaining minimal resource usage. - High Performance: Multi-threaded, multi-SMTP email queues with sliding window rate limiting for fine-grained control. Single binary with minimal CPU and memory footprint. - Campaign Management: Create and manage one-way mailing lists with millions of subscribers. Supports single and double opt-in lists with SQL-based querying and segmentation. - Analytics Dashboard: Built-in analytics to visualize campaign performance, bounces, top links, and more across campaigns. - Flexible Templating: Powerful dynamic email templates using Go templating language. Supports HTML drag-and-drop builder, WYSIWYG editor, Markdown, raw HTML, or plain text. - Transactional Emails: Simple API to send arbitrary transactional messages using pre-defined templates. Supports multiple delivery mediums including SMS and WhatsApp via webhooks. - Extensible Architecture: Messenger HTTP webhooks enable integration with SMS, WhatsApp, FCM notifications, or any custom messaging interface. Extensive API coverage for all features. - Privacy Controls: Full privacy control for subscribers with granular subscriber management. - Authentication: OIDC SSO authentication with fine-grained role-based access control. listmonk is a single binary application that can be deployed anywhere. It requires PostgreSQL for data storage and supports installation via: - Direct binary downloads for Linux, macOS, Windows, FreeBSD, NetBSD, and OpenBSD - Docker containers with provided docker-compose.yml - One-click deployments on multiple hosting providers including Nodion, Kloudbean, Northflank, Railway, Zenith, PikaPods, Elestio, Zeabur, Cloudzy, and LumaDock Installation involves generating a configuration file, setting up the database, and running the binary. The application runs on port 9000 by default.
Open-source self-hosted email server and marketing tool
BillionMail is an open-source, self-hosted email server solution that provides a complete suite for email communication and marketing. Designed for developers and businesses, it offers a powerful SMTP server, newsletter creation tools, and marketing analytics—all without monthly fees. - One-click installation via aaPanel for quick setup (8 minutes from install to email sending) - AI-powered email drafting that creates branded emails from natural language descriptions - Complete SMTP server with unlimited email sending and no built-in speed limits - Cold email outreach toolkit for scalable campaign management - Higher deliverability with step-by-step DNS configuration guidance (SPF, DKIM, DMARC) - Real-time analytics dashboard tracking sent volume, deliverability rate, open rate, and click-through rate - Branded email creation with quick design tools and preview functionality - Self-hosted solution with full data control and AGPLv3 licensing - Installation: Single command installation via aaPanel (git clone https://github.com/aaPanel/BillionMail && cd BillionMail && bash install.sh) - Requirements: Self-hosted server (supports Linux environments) - License: AGPLv3 open-source license - Tech Stack: Built with modern web technologies for performance and scalability - Community Support: Active GitHub repository and Discord community for troubleshooting
Open-source transactional email platform
Plunk is an open-source, self-hostable email platform designed for transactional emails, marketing campaigns, and automated workflows. Built with privacy in mind, it offers transparent pricing, no contact limits, and full control over your email infrastructure. - Transactional & Marketing Emails: Send both transactional emails and marketing campaigns from a single platform. - Automated Workflows: Trigger workflows based on events sent from your code, with a visual canvas for full transparency. - Inbound Email Handling: Receive emails at your domain by adding an MX record, turning replies into contacts and triggering workflows. - Unlimited Contacts: Store unlimited contacts for free; pay only per email sent ($0.001 per email). - Self-Hosting & Open Source: Fully inspectable, forkable, and self-hostable under AGPL-3.0 license. - MCP Server Integration: Connect AI agents (Claude, Cursor) to manage emails via the Model Context Protocol. - Email Editor & SMTP: Visual editor for emails or direct HTML editing, plus SMTP support for existing clients. - Analytics & Segments: Track delivery, opens, clicks, and bounces per send, with dynamic segments that update in real-time. - License: AGPL-3.0 - Hosting: EU-based cloud or self-hosted via Docker Compose - GitHub Stars: 5,000+ - Setup Time: Under 5 minutes for domain configuration and first send - Exit Strategy: Full control via Docker Compose for seamless migration away from the cloud service.
Open-source email platform for newsletters
Notifuse is a modern, self-hosted emailing platform that allows you to send newsletters and transactional emails at a fraction of the cost. It provides a visual MJML editor, A/B testing, analytics, and seamless integrations with industry-leading email delivery providers. - Visual Email Builder: Drag-and-drop editor with MJML components and real-time preview for creating stunning, responsive emails. - Transactional API: REST API for sending transactional emails with responsive templates. - Opens & Click Tracking: Real-time analytics with detailed open rates, click tracking, and engagement metrics. - A/B Testing: Built-in A/B testing for subject lines, content, and send times to optimize campaigns. - Contact Profiles & Timeline: Rich contact profiles with custom fields and complete activity history. - Notification Center: Self-service portal for contacts to manage subscriptions and preferences. - Real-time Segmentation: Segment contacts by properties, activities, and subscriptions for targeted campaigns. - User Permissions: Granular workspace-level access control with multiple roles for team collaboration. - Workspaces: Multi-tenant architecture with custom domains and isolated data for agencies. - Automations: Event-driven workflows built on contact timeline for automated sequences. - S3 File Manager: Integrated file management with S3-compatible storage for images and attachments. Notifuse is open-source and can be self-hosted. It supports integration with multiple email delivery providers including SparkPost, Postmark, Mailjet, Mailgun, and Amazon SES. The platform is designed for scalability and flexibility, making it suitable for both individual users and agencies.
Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.
Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.
Open source self-hosted email marketing
SendPortal is a modern, open-source email marketing platform designed for self-hosting. It provides a cost-effective alternative to services like MailChimp, allowing businesses to manage newsletters, campaigns, and subscriber lists while maintaining full control over their data. - Self-Hosted & Open Source: Deploy on your own infrastructure for complete data ownership. - Multi-Provider Support: Works with AWS SES, Mailgun, Sendgrid, Postmark, and Mailjet. - Subscriber & List Management: Import/export subscribers via API or CSV, create custom segments. - Campaign Management: Design and send beautiful email campaigns with customizable templates. - Message Tracking: Monitor opens, clicks, bounces, and unsubscribes automatically. - Multiple Workspaces: Manage multiple teams or projects within a single interface. - Unlimited Users & Subscribers: No artificial limits on users, subscribers, or messages. - Powerful API: Integrate seamlessly with existing workflows and applications. - Cost Savings: Significantly cheaper than MailChimp, Campaign Monitor, and similar services. SendPortal is built with Laravel and can be installed as a package or via Docker. It requires a database (MySQL/PostgreSQL) and a mail delivery service (e.g., AWS SES). Full documentation is available at SendPortal Docs.
About Bento
Bento is a full-stack email marketing and deliverability platform designed to help businesses send emails with confidence. It combines marketing automation, transactional email, and AI-driven insights to ensure high deliverability and engagement.
Key Features of Bento
- AI-Powered Automation: Build workflows by describing your automation in plain text; Bento's AI generates the flow instantly.
- Deliverability Controls: Catch mistakes before sending, control email pace, and monitor live delivery data to maintain sender reputation.
- Unified Email Platform: Manage both marketing and transactional emails in one place with shared controls and reports.
- Visual Automation Builder: Create complex email flows using behavior, events, and tags with pre-send validation.
- Revenue Tracking: Attribute sales and recurring revenue directly to specific emails or automations.
- Shared Inbox: Handle customer replies in a centralized inbox for better team collaboration.
- SOC 2 Type II Compliant: Independently audited for security, availability, and confidentiality.
- Extensive Integrations: Plugins and SDKs for WordPress, Shopify, WooCommerce, Stripe, Zapier, and more.
- CLI Support: Perform routine tasks like subscriber imports and searches directly from the command line.
Tech / Self-Hosting
Bento is a fully managed SaaS platform with no self-hosting option. It offers a 30-day unlimited trial and enterprise-grade security with SOC 2 Type II compliance.