My newsletter "Le Courrier du hacker" lecourrierduhacker.com is a weekly digest of the activity of the French-speaking FOSS community.

I reached 2k+ subscribers with already 76 issues. Open rate is around 55%. To offer to access the content to people disliking newsletters, I have public archives outside my email provider (Mailchimp) mostly to have a better control of my content. I also have accounts on social networks Twitter twitter.com/courrierhacker and Mastodon framapiaf.org/@lecourrierduha…

To grow the audience, I tried to publish relevant content in the french-speaking FOSS community - my readers - in order them to join. I also blog about it on a regular basis. The first 1k subscribers were quite easy to get, now it's more difficult to grow and these days I try partnership with other french newsletters or blogs or websites to exchange visibility.