Build your next app at rocket speed

Write Your App
Not Boilerplate

Use our .NET and React kit to give your Saas app a boost. Focus on your app starting now.

It costs you more to not use Cassini!

Starting an app from scratch is time consuming

Why waste time implementing all of these:

  • Payments
  • Authentication
  • Permission Management
  • Teams
  • Two-Factor Authentication
  • UI Skeleton
  • Exception Handling
  • Continuous Deployment
  • And so much more...
time consuming
proud coder

Cassini lets you focus on what makes you unique

Cassini gives you everything you need to start working on your app today. You will save weeks of your valuable time. We give you a full skeleton application that you can use to start writing your own code immediately. You get great documentation and the full source code.

Developers will love getting to write meaningful code on day one. Businesses will love all the money they'll save. Customers will love the fact they get to use your new app sooner.


Over $20,000 Value*


Your business needs to make money. We've already integrated Stripe so that you take payments from day 1.

Open Api

We provide you Open Api documents and UI so that you have an easy and automated way to share and document your API.

User Account Management

Manage users from your admin dashboard. Users can sign up and reset their password by themselves.


We take extensibility seriously. If you need to customize anything for your application you can do so without losing everything else we give you.

Email Notifications

We provide you beautiful email templates for common scenarios. All you have to do is plug in your account information. We support SendGrid, Amazon SES**, Mailgun**, and Postmark**.

Google Analytics

You'll want to know how many users are interacting with each page. All you have to do is plug in your Google Analytics Id and watch the data roll in.


Users often work in teams. We make it easy so you don't have to do the work.


If you need to translate your app into another language we have you covered. You can translate any text Cassini uses and add easily add your own translations.

React UI

React is one of the most popular frameworks for writing internet applications today. We make it easy for you to get a jump start on building a beautiful user interface. We use Material UI as starting point. You not only get all of their base components, but we add more components that you'll need to make a fully functioning app.


We'll set you up with docker based builds so that you can build and run anywhere from day one. We also provide GitHub actions so that you don't have to do any of the work.


We write all of our React code in Typescript. That means if you use Typescript you'll have full type information to work with.

Interactive Documentation

All of our React components have interactive Storybook documentation. See all the props that are available to you and see in real time how they update the component.

* To implement all of our features and tests it would take over 6 person weeks. At $100 / hr that would cost you over $24,000.

** Support is planned.


Multi Site License
  • 5 Products
  • Full Source Code
  • 1 year of updates
Single Site
  • 1 Product
  • Full Source Code
  • 1 year of updates
  • Customize Number of Products
  • Priority Support
  • Full Source Code
  • 1 year of updates
Contact Us

Improve your Business Today

It costs you more to not use Cassini!