It's a tool that's used for performing queries on streams of records in various formats.

The goal is to make ad-hoc exploration of data sets easy without having to use more heavy-weight tools like SQL/MapReduce/custom programs. rq fills a similar niche as tools like awk or sed, but works with structured (record) data instead of text.

It was created with love out of the best parts of Rust, C and Javascript, and is distributed as a dependency-free binary on many operating systems and architectures.

A composable charting library built on React components

Open source log management that actually works.

D3 (or D3.js) is a JavaScript library for visualizing data using web standards. D3 helps you bring data to life using SVG, Canvas and HTML. D3 combines powerful visualization and interaction techniques with a data-driven approach to DOM manipulation, giving you the full capabilities of modern browsers and the freedom to design the right visual interface for your data.

Monitoring system & time series database.
Power your metrics and alerting with a leading open-source monitoring solution.

Organizational network analysis analysis tool. TEAMsCOM is an organizational network analysis tool which offers an online team overview.

Open source analytics toolbox

Analyze your data without writing a line of SQL.

Malcom is a tool designed to analyze a system's network communication using graphical representations of network traffic, and cross-reference them with known malware sources. This comes handy when analyzing how certain malware species try to communicate with the outside world.

Pizza is a responsive pie, donut, bar, and line graph charting library based on the Snap SVG framework from Adobe. It focuses on easy integration via HTML markup and CSS instead of JavaScript objects, although you can pass JavaScript objects to Pizza as well.

Direct manipulation of data graphics

An open source, feature rich metrics dashboard and graph editor for
Graphite, InfluxDB & OpenTSDB.

Beautiful, automatic charts

With osquery, you can use SQL to query low-level operating system information. Under the hood, instead of querying static tables, these queries dynamically execute high-performance native code. The results of the SQL query are transparently returned to you quickly and easily.

Simple way to collect and look at your website performance metrics quickly, that supports budgeting and adding custom metrics.

Time series data visualization and graphing software

An easy to install Sublime Text Editor plugin that passively records statistics as you code that provides you with personal analytics, industry insight and allows you to compete with others. Currently in Beta and under active development.

Field-tested open source data analytics system used and trusted all around the world. Search your logs, create charts, send reports and be alerted when something happens. All running on the existing JVM in your datacenter

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Simple, real-time web analytics + heatmaps.

A very simple jQuery plugin to render bar chart from existing HTML tables.