Prometheus : Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Prometheus's main features are:
a multi-dimensio...
Gallery : Open source web based photo album organizer. Gallery gives you an intuitive way to blend photo management seamlessly into your own website whether you...
Cachet : Beautiful & simple service statuses. The open source status page system, for everyone.
Isso : Isso – Ich schrei sonst – is a lightweight commenting server written in Python and JavaScript. It aims to be a drop-in replacement for Disqus.
TellForm : An opensource alternative to TypeForm that can create stunning mobile-ready forms , surveys and questionnaires.
A lightweight, open source, tracking-free comment engine alternative to Disqus.