This page contains descriptions and links to necessary tools and resources for DAX and Tabular developers.
DAX Studio
http://daxstudio.codeplex.com/
DAX Studio is a free tool for running DAX queries against Excel PowerPivot models or Analysis Services Tabular models. It includes an Object Browser, query editing and execution, formula and measure editing and syntax highlighting.
DAX Formatter
http://www.daxformatter.com/
DAX Formatter is a free service that transform your raw DAX formulas into clean, beautiful and readable code. The syntax rules used improves the readability of the expressions. More details on Rules for DAX Code Formatting.
DAX Editor
https://visualstudiogallery.msdn.microsoft.com/9b18b6f7-a3b8-4adc-af82-4b4ec23f98b6
DAX Editor is a Visual Studio extension that implements a language service for DAX language for SQL Server Analysis Services. You can edit the DAX measures of a project in a text file, format the code (optionally using the DAX Formatter service), and deploy changes to the original project and/or to a SSAS Tabular server.
DAX Patterns
http://www.daxpatterns.com/
DAX Patterns is a collection of ready-to-use data models and formulas in DAX. Each article describes one pattern in detail, including several use cases and sample files for both Excel 2010 and Excel 2013 (which you can easily import in a Visual Studio project for Analysis Services Tabular).
BIDS Helper
http://bidshelper.codeplex.com/
BIDS Helper is a Visual Studio add-in that enhances development functionality in Business Intelligence Development Studio (BIDS) and SQL Server Data Tools (SSDTBI). It provides several features for a Tabular project that would not be available otherwise in the Visual Studio user interface: Actions Editor, Display Folders, Translations Editor, and HideMemberIf property. It also contains other useful features such as Unused Columns Report and Sync Descriptions.
BISM Normalizer
https://visualstudiogallery.msdn.microsoft.com/5be8704f-3412-4048-bfb9-01a78f475c64
BISM Normalizer manages Analysis Services tabular models, comparing different versions and merging differences in a saefe way.
OLAP PivotTable Extensions
https://olappivottableextend.codeplex.com/
OLAP PivotTable Extensions is an Excel add-in that extends the functionality of PivotTables on Power Pivot models and Analysis Services cubes. It includes a specific function to disable the refresh of PivotTables, which is important to avoid slowness when making multiple changes to a Data Model in Power Pivot.
Workbook Size Optimizer
http://www.microsoft.com/en-us/download/details.aspx?id=38793
The workbook size optimizer is a tool that inspects the composition of the data model within a Power Pivot workbook, providing suggestions to reduce memory and improve compression.