Prometheus : Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Prometheus's main features are:
a multi-dimensio...
ntfy : Send push notifications to your phone or desktop using PUT/POST
Bridgy : Bridgy pulls comments, likes, and reshares on social networks back to your web site. You can also use it to post to social networks - or comment, like...
cal.com : Open source meeting scheduling tool. Send a link, let others book a slot. Calendly alternative.
Keycloak : Keycloak is an Open Source Identity and Access Management solution for modern Applications and Services.
A lightweight, open source, tracking-free comment engine alternative to Disqus.
