Billion Mail vs Keila

Billion Mail significantly outpaces Keila in community adoption with 16,205 stars compared to 2,261 stars on GitHub. This 7.2x difference suggests Billion Mail has a much larger and more active community. In terms of developer contributions, Billion Mail has 1,810 forks, indicating strong developer engagement.

Billion Mail is growing faster, adding 338 stars in the last 30 days (+2.1%) against adding 31 stars for Keila (+1.4%). Billion Mail is both larger and pulling further ahead.

Keila shows more recent development activity with its last commit 4 days ago, while Billion Mail was last updated 5 months ago. This suggests Keila is being more actively maintained.

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, SCSS. However, they differ in their additional technology choices: Billion Mail uses Typescript, JSX, Golang, PHP, Vue while Keila leverages Elixir.

Keila has been in development longer, starting 6 years ago, compared to Billion Mail which began 2 years ago. This 4.2-year head start suggests Keila may have more mature features and established processes.

Both projects use the AGPL-3.0 license, providing identical terms for usage and distribution.

Both tools serve similar use cases in Email Marketing & Newsletters. However, they also have distinct specializations: Billion Mail also focuses on Mail Servers while Keila extends into Marketing Automation.

Both Billion Mail and Keila offer self-hosting capabilities, giving you full control over your data and infrastructure.