PowerApp Suite & On Premises Gateway Download
https://powerapps.microsoft.com/en-us/downloads

XRM Toolbox
https://www.xrmtoolbox.com/

Ribbon Workflow Bench
http://www.develop1.net/public/rwb/ribbonworkbench.aspx

CRM 2011 Form Performance Tool
http://cognettacloud.com/?attachment_id=870

CRM 2011 Custom Code Validation Tool – Polaris Checker
http://www.microsoft.com/en-us/download/details.aspx?id=30151

CRM 2011 OrgDBOrgSettings Tool
http://support.microsoft.com/kb/2691237

CRM 2011 Instance Adapter
http://www.microsoft.com/en-us/download/details.aspx?id=35385

CRM 2011 Maintenance Job Editor (Scale Job)
http://crmjobeditor.codeplex.com/

CRM 2011 Sitemap Editor
http://dynamics.pinpoint.microsoft.com/en-us/applications/microsoft-dynamics-crm-sitemap-editor-12884928049

CRM 2011 Form Performance Toolbar
CRM 2011 Form Performance Toolbar Solution

CRM 2011 DiagTool
CrmDiagTool2011

CRM 4 to CRM 2011 Jscript Converter
Infusion.MSCRM.JavaScriptConverter

CRM 4 DiagTool
CrmDiagTool4

CRM 4 Documentation Generator
CRM 4 Documentation Generator

CRM 4 IFD Tool
Crm4IFDTool

CRM 4 Deployment Job Editor
CRM4_DeploymentJobEditor_4.0.7333.40

Form XML Comparison Tool 2.0
FormXml Comparison Tool 2.0

CRM 4 – Run Deletion Service
CRM4_RunDeletionService