Chart.js - Easy, object oriented client side graphs for designers and developers.
glogg - glogg is a multi-platform GUI application to browse and search through long or complex log files.
D3.js - D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS.
BareTail - BareTail is a real-time log file monitoring tool. Features Real-time file viewing
Google Charts - Interactive charts for browsers and mobile devices.
klogg - klogg is the fork of glogg - the fast, smart log explorer.