GitFounders8 Open Source Alternatives to SendGrid
A list of 8 carefully selected open-source alternatives to SendGrid.
The open-source alternatives are ranked based on our custom ranking system and score. This system takes into account various factors to determine the best alternatives.
If you’re looking for alternative features or workflows, here is a prepared detailed list of SendGrid open-source alternatives — each with its own distinctive strengths and key features.
Mautic is the world's largest open source marketing automation software that empowers businesses to streamline their marketing efforts with flexibility and control. It combines intuitive campaign management with powerful tools like drag-and-drop email and landing page builders to deliver personalized, omnichannel experiences.
Key Features
- Intuitive, click-and-drag campaign builder
- Drag-and-drop email and landing page designer
- Privacy-focused features for GDPR compliance
- True data sovereignty through self-hosting options
- Seamless integrations via REST API and plugins
Mautic automates your marketing processes through a user-friendly campaign builder that simplifies workflow design. It offers robust email and page creation tools optimized for mobile and desktop, while ensuring data privacy and sovereignty by allowing self-hosting. With a powerful REST API and extensive plugin ecosystem, Mautic integrates seamlessly into your existing systems, making complex campaign management accessible for businesses of all sizes.
Plunk is an open-source email platform offering an all-in-one solution for marketing, transactional, and broadcast emails. It simplifies email communication by unifying different functionalities into one affordable tool, all while prioritizing privacy and responsive design.
Key Features
- Unified platform for marketing, transactional, and broadcast emails
- Cost-effective pricing at $0.001 per email
- Powerful automation and repeatable workflows
- Responsive email design compatible with various clients
- Privacy-first approach with EU-based data handling
- Transparent, open-source development
Plunk merges your email needs by combining marketing, transactional, and broadcast functionalities into one seamless platform. It features powerful, repeatable automations and a responsive email editor that works even in Outlook. With EU-based data hosting and an open-source codebase, Plunk ensures privacy and transparency. Pricing is competitive at $0.001 per email, making it a cost-effective solution for businesses.
Listmonk is a high-performance, self-hosted newsletter and mailing list manager delivered as a single binary app. It features a modern dashboard and is completely free and open source under AGPLv3.
Key Features
- Self-hosted and open source (AGPLv3)
- High performance with multi-threaded email queues
- Supports millions of subscribers and customizable, dynamic templates
- Efficient SQL-based segmentation and analytics
- Multiple deployment options including binary, Docker, and one-click hosting providers
- Extensible with webhooks for SMS, Whatsapp, and other messaging services
Listmonk offers an integrated platform to manage massive mailing lists, send transactional messages, and create dynamic email templates using the Go templating language. Its design supports high-throughput email queues, real-time analytics, and extensive subscriber segmentation with SQL expressions, all while running on minimal system resources.
Postal is a fully featured open source mail delivery platform that handles both incoming and outgoing emails. It offers users a robust solution comparable to popular services like Sendgrid or Mailgun, with the freedom to run it on their own servers.
Key Features
- Comprehensive web interface for managing mail servers and logs
- Scalable architecture for dynamic load management
- Webhooks for real-time notifications on message delivery
- Development mode for testing and message review
- IP pools to optimize and maintain IP reputation
- Spam and anti-virus integrations with SpamAssassin, rspamd, and ClamAV
Postal provides a complete mail delivery solution for websites and web servers with a user-friendly web interface, scalable infrastructure, and advanced integrations such as webhooks, spam and anti-virus tools, and IP pool management. Its development mode facilitates testing by holding messages, while the comprehensive dashboard allows for efficient server management and mail log tracking.
Pushify is an open source push notifications service designed to send messages directly to your phone via a simple REST API. It seamlessly integrates with any application, including SaaS platforms, eliminating the need to develop a dedicated mobile app.
Key Features
- Simple HTTP-based REST API for push notifications
- Supports multiple programming languages (Node.js, Python, Java)
- Easy integration with any application or SaaS platform
- Open source code available for review and contribution
- Free for 1 device and up to 2500 push notifications per month during Beta
Pushify offers a straightforward HTTP-based API that enables developers to send push notifications with minimal effort. Built with simplicity in mind, it supports multiple programming languages such as Node.js, Python, and Java, and its open source nature encourages collaboration and customization. It is ideal for individual developers and SaaS platforms aiming to provide real-time communication to their users.
Unsend is an open source alternative to traditional email services like Resend, Sendgrid, and Postmark. It streamlines sending transactional, marketing emails, SMS, and push notifications, making communication effortless for developers.
Key Features
- Effortless setup for transactional emails
- Reliable inbox delivery with bounce and complaint notifications
- No-code email builder with versatile templates
- Click and open tracking for actionable engagement insights
- Supports SMS and push notifications alongside emails
Unsend provides a robust sending infrastructure that enables developers to integrate email, SMS, and push notification functionalities in minutes. It features a straightforward API, simple configuration, and practical code examples for various programming languages, ensuring your messages reach the inbox, not the spam folder.
Mailcoach is a robust, self-hosted email marketing platform designed for creators, developers, and growing businesses. It features a modern interface where you can manage newsletters, automations, campaigns, and transactional emails with ease. The platform is engineered for precision, flexibility, and a developer-friendly experience.
Key Features
- Comprehensive campaign, automation, and transactional email management
- Multiple email editors including Markdown, HTML, and MJML
- Advanced segmentation, split testing, and analytics
- Predictable, pay-as-you-go pricing based on emails sent
- GDPR compliant hosting and data security
- Self-hosted option for complete control and customization
Mailcoach delivers a complete email marketing solution by enabling users to create, schedule, and analyze campaigns, automations, and transactional emails. Built on Laravel, it supports multi-step workflows, split testing, detailed analytics, and advanced segmentation. Enjoy flexible content creation with multiple editors including Markdown and MJML, along with the option to integrate your own email provider while staying fully GDPR compliant.
Kelia is an open source newsletter tool that simplifies the management and creation of personalized email campaigns. Developed in Germany and hosted in the EU, it offers flexible editing options and robust analytics for effective email marketing.
Key Features
- Multiple editor options: visual, Markdown, MJML, and plain text
- Responsive email design with rock-solid base templates
- Customizable forms with captcha protection and double-opt-in
- Powerful segmentation and dynamic personalization with Liquid
- Comprehensive API integration and flexible automation
- EU hosting ensuring adherence to strict privacy standards
Kelia makes newsletter management seamless by providing multiple editor options including a visual block editor, Markdown-based editor, MJML, and plain text support. The tool helps manage contacts, design responsive emails, and secure sign-up forms with captcha and double-opt-in features. Keila also offers powerful segmentation, personalized templates using Liquid, and comprehensive API integration for advanced workflows.
Price comparison of SendGrid open-source alternatives
| Tool | Tier 1 | Details |
|---|---|---|
 | $0.001 Pay as You Go | Learn more |
 | $0 Beta Pricing | Learn more |
 | $9.99 Creator Plan | Learn more |
* Pricing shown is based on publicly available information and may not reflect current rates. Visit each tool's website for detailed pricing information and additional tiers.
About SendGrid
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SendGrid
SendGrid is a proven, cloud-based customer communication platform that drives engagement and business growth.
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