Prometheus : Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Prometheus's main features are:
a multi-dimensio...
HedgeDoc : HedgeDoc (formerly known as CodiMD) is an open-source, web-based, self-hosted, collaborative markdown editor.
You can use it to easily collaborate on ...
ntfy : Send push notifications to your phone or desktop using PUT/POST
LGTM.in : Looks good to me (LGTM) is the most popular comment on Github, perhaps. But LGTM is boring. So we spice it up with some images.
Postal : Postal is a complete and fully featured mail server for use by websites & web servers. Think Sendgrid, Mailgun or Postmark but open source and ready f...
A lightweight, open source, tracking-free comment engine alternative to Disqus.
