Postiz significantly outpaces Mixpost in community adoption with 33,958 stars compared to 3,471 stars on GitHub. This 9.8x difference suggests Postiz has a much larger and more active community. In terms of developer contributions, Postiz has 6,347 forks, indicating strong developer engagement.

Postiz shows more recent development activity with its last commit 13 hours ago, while Mixpost was last updated 5 months ago. This suggests Postiz is being more actively maintained.

Both tools share common technology foundations, being built with JavaScript, CSS. However, they differ in their additional technology choices: Mixpost uses Vue, PHP while Postiz leverages Bash, Typescript, JSX, Next.js, SCSS, NestJS.

Both projects started around the same time, with Mixpost beginning 4 years ago and Postiz 3 years ago.

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

Both tools serve similar use cases in Social Media Management. However, they also have distinct specializations: Postiz extends into Marketing Automation.

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