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There are many software products, platforms, services and applications that compete to be part of the Data Scientistís toolkit. There can be compelling reasons for the use of one tool over another (such as the suitability of the tool to the analysis required, ease of operation, the range of features offered, userís device, tool interoperability or price) but often preferences can be about tool availability and familiarity.

The table below contains a selection of some commonly used Data Science software tools. I have included relevant details about the suppliers, how to access the products and their cost. While applications are available on multiple fixed and mobile devices the details below are oriented to desktop computer platforms using a Windows Operating System.

My personal preference for performing analysis is VBA (Visual Basic for Applications) in Microsoft Excel, as the tool with which I have greatest experience. Other tools are more highly tailored to specific analytical tasks.

Suppliers can offer product Variants which represent upgraded editions, offer different functionality and capabilities, or are tailored to specific markets (e.g. students, businesses). In some cases vendors offer incremental modules which are purchasable. Where relevant, I have attempted to identify the entry level versions that would provide users new to the product with a means of trialling and comparing Data Science tools with minimal outlay.

Tool/Platform Supplier Variant Download/Access License Cost
Excel Microsoft Excel 2016 Website download £109.99
R R Foundation Website download GNU General Purpose License Free
Python Python Software Foundation Website download Open source Free
Octave GNU Octave Website download GNU General Purpose License Free
D3.js Mike Bostock et al. Website download Free
SQL Microsoft SQL Server 2016 SP1 Express Edition Website download Free
MySQL Oracle MySQL Community Server Website download GNU General Purpose License Free
Prolog ISO Prolog SWI-Prolog Website download Free
Waikato Environment for Knowledge Analysis (Weka) The University of Waikato Website download GNU General Purpose License Free
Tableau Tableau Software Tableau Desktop Website download $70 / month (Creator)
ArcGIS Esri ArcGIS Pro Website download $100/year
Hadoop Apache Website download Apache License v2.0 Free
Java Oracle Website download Free
Matlab Mathworks Website download £105+(Home Ed)
Scala Ecole Polytechnique Federale de Lausanne Website download The 3-Clause BSD License (Programming Language) Free
Statistical Anaysis System (SAS) SAS/STAT SAS Studio University Edition Website download Free
SPSS IBM IBM SPSS Statistics Website download £949+(Base Ed)
Stata StataCorp Stata14 (trial) Website order $89+(Small Stata)
Rstudio RStudio RStudio Desktop Website download AGPL v3 Free (Open Source Ed)
Quantum GIS QGIS project QGIS 2.8 Website download Creative Commons Attribution-Sharealike 3.0 Free

Details correct as at May-2017