a curated guide to the best tools, resources and technologies for data visualization

Data Wrangling

Open Refine

OpenRefine (formerly Google Refine) is a powerful tool for working with messy data: cleaning it; transforming it from one format into another; and extending it with web services and external data.

Trifacta Wrangler

Trifacta Wrangler

Trifacta Wrangler is specifically designed to make the data preparation process easier and faster. By providing a connected desktop application for users to visually explore, structure and publish out dashboard-ready datasets, Trifacta Wrangler helps analysts deliver faster and more accurate analysis.

DataCleaner

DataCleaner

The heart of DataCleaner is a strong open-source data profiling engine for discovering and analyzing the quality of your data.

Parserator

Parserator

Parse addresses, names or any unstructured text into useful components

Sliver

Sliver

Sliver is a powerful and intuitive software application for multi-dimensional (multivariate) data visualization and analysis on Windows.

Geomancer

Geomancer

Add geographically-related data to any spreadsheet.

D3 Deconstructor

D3 Deconstructor

The D3 Deconstructor is a Google Chrome extension for extracting data from D3.js visualizations. D3 binds data to DOM elements when building a visualization. Our D3 Deconstructor extracts this data and the visual mark attributes (such as position, width, height, and color) for each element in a D3 visualization.

OpenRefine

OpenRefine

A tool for working with data, cleaning it up, reformating it or extending it with web services.

Mr. Nester

Mr. Nester

A simple console for learning and experimenting with d3.js data nesting.

Data Wrangler

Wrangler is an interactive tool for data cleaning and transformation from Stanford University. Spend less time formatting and more time analyzing your data.

Mr. Data Converter

An incredibly handy tool created by Shan Carter of NYTimes Graphics that converts your Excel data into one of several web-friendly formats, including HTML, JSON and XML.