1. OpenAlternative
  2. /Alternatives
  3. /Substack

Best Open Source Substack Alternatives

Discover the best open source alternatives to Substack.

The best open source alternative to Substack is WordPress. If that doesn't suit you, we've compiled a ranked list of other open source Substack alternatives to help you find a suitable replacement. Other interesting open source alternatives to Substack are: Listmonk, Kelia and Zenblog.

Substack alternatives are mainly CMS Tools but may also be Email Tools or Notetaking Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Substack.

Favicon of Substack website


An online platform that provides publishing, payment, analytics, and design infrastructure to support subscription newsletters.

Visit Website

A versatile, user-friendly platform for building and managing websites, from simple blogs to complex e-commerce stores.

Screenshot of WordPress website

WordPress is a powerful and flexible content management system that enables users of all skill levels to create and maintain stunning websites. With its intuitive interface and extensive customization options, WordPress offers a seamless experience for bloggers, businesses, and developers alike.

Key benefits of WordPress include:

  • User-friendly interface: Easy-to-use dashboard for managing content, themes, and plugins
  • Extensive customization: Thousands of themes and plugins to tailor your site's appearance and functionality
  • SEO-friendly: Built-in features and plugins to optimize your site for search engines
  • Scalability: Suitable for small personal blogs to large enterprise websites
  • Active community: Access to a vast network of developers, designers, and users for support and resources
  • Regular updates: Continuous improvements in security, performance, and features
  • Mobile-responsive: Ensures your site looks great on all devices
  • Multi-language support: Create multilingual websites to reach a global audience
  • E-commerce integration: Build online stores with WooCommerce and other e-commerce plugins

Whether you're a beginner or an experienced web developer, WordPress provides the tools and flexibility to bring your vision to life. Its open-source nature and extensive ecosystem make it a future-proof choice for your web presence.

Open-source platform for managing subscribers, creating campaigns, and sending bulk emails with advanced features and integrations.

Screenshot of Listmonk website

Listmonk is a high-performance, feature-rich newsletter and mailing list manager that puts you in control of your email campaigns. Built with scalability in mind, it offers a robust solution for businesses and individuals alike.

Key benefits of Listmonk include:

  • Self-hosted: Maintain complete control over your data and infrastructure.
  • User-friendly interface: Easily manage subscribers, create campaigns, and analyze results.
  • Powerful templating: Design beautiful emails using a built-in WYSIWYG editor or custom HTML.
  • Advanced segmentation: Target specific audience groups based on various attributes and behaviors.
  • Automation: Set up autoresponders and drip campaigns to engage subscribers automatically.
  • Multiple lists and namespaces: Organize subscribers efficiently across different projects or clients.
  • API and webhooks: Integrate Listmonk seamlessly with your existing tools and workflows.
  • Performance-oriented: Handle large subscriber bases and high email volumes with ease.
  • Comprehensive analytics: Gain insights into campaign performance with detailed reports and metrics.
  • GDPR-compliant: Ensure data privacy and comply with regulations using built-in tools.

Whether you're a small business owner, a large enterprise, or an individual creator, Listmonk provides the flexibility and power you need to manage your email marketing effectively. With its open-source nature, you can customize and extend the platform to meet your specific requirements, making it a versatile solution for all your mailing list needs.

Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.

Screenshot of Kelia website

Kelia is a robust, open-source email marketing solution designed for businesses and individuals who prioritize data privacy and control. This self-hosted platform offers a comprehensive suite of features to manage your mailing lists and create engaging campaigns with ease.

Key benefits of Kelia include:

  • Complete data ownership: Host Kelia on your own servers, ensuring full control over your subscriber data and campaign information.
  • User-friendly interface: Intuitive dashboard for effortless list management, campaign creation, and performance tracking.
  • Powerful segmentation: Target your audience effectively with advanced segmentation tools based on subscriber data and behavior.
  • Customizable templates: Create visually appealing emails using a drag-and-drop editor or HTML for more advanced users.
  • Automation workflows: Set up automated email sequences to nurture leads and engage subscribers at the right time.
  • Detailed analytics: Gain insights into campaign performance with comprehensive reports on open rates, click-through rates, and more.
  • API integration: Seamlessly connect Kelia with your existing tools and workflows using the robust API.
  • GDPR compliance: Built-in features to help you maintain compliance with data protection regulations.

By choosing Kelia, you're not just getting an email marketing tool – you're investing in a privacy-first solution that grows with your needs while keeping your data secure and under your control.

A minimalist, markdown-based blogging platform designed for developers, featuring syntax highlighting and seamless Git integration.

Screenshot of Zenblog website

Zenblog is the ultimate blogging solution for developers and tech enthusiasts who value simplicity, efficiency, and powerful features. This lightweight platform combines the ease of markdown writing with the robustness of a full-fledged blogging system.

Key benefits of Zenblog include:

  • Markdown-first approach: Write your posts in pure markdown, allowing you to focus on content creation without distractions.
  • Syntax highlighting: Showcase your code snippets with beautiful, customizable syntax highlighting for over 100 programming languages.
  • Git integration: Seamlessly sync your blog with your Git repository, enabling version control and collaborative writing.
  • Responsive design: Ensure your blog looks great on all devices with a mobile-friendly, customizable theme.
  • Fast and lightweight: Enjoy blazing-fast page loads and optimal performance, thanks to Zenblog's efficient architecture.
  • SEO-friendly: Boost your blog's visibility with built-in SEO optimization features.
  • Custom domains: Use your own domain name to establish a unique online presence.
  • Analytics integration: Gain insights into your audience with easy integration of popular analytics tools.

Whether you're a seasoned developer sharing technical insights or a tech enthusiast documenting your learning journey, Zenblog provides the perfect platform to express your ideas and connect with your audience. Experience the zen of blogging with Zenblog – where simplicity meets functionality.


Get updates on new tools, alternatives, and other cool stuff.