https://lggr.io/ - The web based syslog gui

Fast

A really fast and simple gui.
Optimized storage of syslog messages.
Levels and alerts stored as numeric enums.
Views for faster selects.

Responsive

Use it mobile and on a desktop.
html5, jquery and bootstrap.
Near zero image overhead.

Open Source

Validate and extend the source to any need.
Standard PHP and MySQL requirements.
Clean OO code.