Postal significantly outpaces Notifuse in community adoption with 16,724 stars compared to 2,043 stars on GitHub. This 8.2x difference suggests Postal has a much larger and more active community. In terms of developer contributions, Postal has 1,270 forks, indicating strong developer engagement.

Notifuse is growing faster, adding 29 stars in the last 30 days (+1.4%) against adding 58 stars for Postal (+0.3%). Notifuse is the smaller project of the two, so it is closing the gap rather than extending a lead.

Both projects show recent activity, with Notifuse last updated 4 hours ago and Postal 7 days ago.

Both tools share common technology foundations, being built with JavaScript, Bash. However, they differ in their additional technology choices: Notifuse uses CSS, Typescript, JSX, Golang while Postal leverages SCSS, Ruby, CoffeeScript.

Postal has been in development longer, starting 9 years ago, compared to Notifuse which began 1 year ago. This 8.0-year head start suggests Postal may have more mature features and established processes.

Postal uses the MIT license, which is more permissive than Notifuse's AGPL-3.0 license, potentially offering greater flexibility for commercial use and integration.

Both tools serve similar use cases in Email Marketing & Newsletters. However, they also have distinct specializations: Notifuse also focuses on Marketing Automation while Postal extends into Email Platforms.

Both Notifuse and Postal offer self-hosting capabilities, giving you full control over your data and infrastructure.