Top 2 Phoenix SaaS Boilerplates 2024

Last update on
August 23, 2023


Petal is a SaaS boilerplate built on top of Phoenix Framework, designed to help entrepreneurs and software developers get their SaaS product off the ground quickly. With a modular architecture, integrated authentication system, and subscription management features, Petal makes building and launching SaaS products a breeze.

Key Features

  • Authentication
  • Passwordless auth
  • Page builder


  • $299 One project
  • $749 Unlimited projects


LiveSAASKIT is a SaaS boilerplate built on Phoenix Framework and written in Elixir. It provides entrepreneurs, managing directors, and software developers with a solid foundation to build their own SaaS applications quickly and efficiently. LiveSAASKIT includes user authentication, subscription management, billing, and team management features out of the box.

Key Features

  • Authentication
  • User Impersonation
  • Multi Tenancy for account management


  • $149 one time fee

Fullstack Phoenix

The SAAS Starter Kit is meticulously designed to equip you with all necessary tools for crafting your SAAS using Elixir, Phoenix, and LiveView. It serves as a comprehensive foundation, offering a batteries-included approach to jumpstart the development of your software.

Key Features

  • Authentication
  • Subscriptions
  • Multi Tenancy


  • $199 Lifetime Access

What is a Phoenix SaaS Boilerplate?

A Phoenix SaaS boilerplate is a pre-built template or starter kit that includes all the basic features and functionalities needed to launch a SaaS (Software as a Service) application. This includes user authentication, subscription billing, email notifications, and other common features that are required for most SaaS applications. Using a boilerplate can help developers save time and launch their application faster.

The best Phoenix SaaS boilerplates offer more than just basic features. They also provide a solid foundation for building scalable and secure applications. They are customizable and easy to use, making it possible for developers to focus on building the unique features of their application.

Some of the best Phoenix SaaS boilerplates available include SaaSWeb, SaaStarter, and Phoenix SaaS. Each of these boilerplates offers a range of features and integrations that can help developers build their SaaS application quickly and efficiently. Ultimately, the choice of boilerplate will depend on the specific needs of the application and the preferences of the developer.

What is Phoenix?

Phoenix is a modern, high-performance web framework built with the Elixir programming language. Created by Chris McCord, it is designed to help developers build scalable and fault-tolerant applications that can handle a large number of concurrent users. With 19.8k stars on Github and over 5,000 websites currently using it. Phoenix leverages the power of Elixir's concurrency model and fault-tolerance to build fast and reliable web applications.

Phoenix follows the Model-View-Controller (MVC) architecture pattern and provides many features out of the box, such as templating, routing, and database integration. It also offers a fast and reliable web server called Cowboy, which is built on top of the Erlang VM.

Phoenix also incorporates real-time streaming with channels, and a presence feature for real-time applications to track and communicate the connected users' state, offering a robust way to build real-time applications easily.

Some of the benefits of Phoenix are:

  • Performance and Speed: The Phoenix framework is fast because it runs on the Elixir programming language, which leverages the Erlang virtual machine – a platform that's known for its speed, concurrency, and low latency.
  • Efficient Concurrency: It can easily handle many hundreds or even thousands of users simultaneously due to its Erlang foundation.
  • Real-Time Web Functionality: Phoenix has built-in real-time modules that makes it easy to add functionalities like notifications, live updates, push notifications, etc.
  • Fault-Tolerance: As Phoenix leverages the Erlang VM, it provides fault tolerance and system recovery capabilities. Faults can be isolated and the system can recover without stopping the entire application.
  • Scalability: With the way Phoenix is set up, it's relatively easy to distribute your system over multiple machines, making it a great choice for applications that need to scale.
  • Productive Like Rails: Phoenix brings in some of the excellent features from Rails like 'convention over configuration', resulting in an excellent development speed.
  • Functional Programming: Phoenix runs on Elixir, which uses the functional programming style, helping developers to write more clear and predictable code.
  • Code Reloading: Just like Rails, Phoenix also supports code reloading, which allows changes in the code base to immediately take effect in the running application.
  • Database Support: Easily integrates with Ecto, a database wrapper and language integrated query for Elixir.
  • Presence Feature: Phoenix allows the tracking of which users are currently online at any given time in distributed, highly available systems.