Substack

Substack is a newsletter publishing platform that makes it simple for a writer to start an email newsletter that makes money from subscriptions.

Their tools include:

• web and newsletter publishing tools that are purpose-built for paid subscriptions,
• an all-in-one solution to help a writer get paid for their writing,
• easy-to-use editing software that can handle simultaneous publication of stories and newsletter
• a payment solution that makes subscriptions intuitive and manageable for both publisher and reader
  
• features that allow stories to find large audiences outside the paywalls and design templates so that publishers can focus on creating beautiful reading experiences.
  

Substack was founded in 2017 by Jairaj Sethi, Christopher Best, and Hamish McKenzie and is headquartered in San Francisco, California, USA.