On this page I will add links to very good and useful Add-Ins from people I know and trust. I will list Add-Ins that are free and not. I only add Add-Ins to the list that I use or used myself so I know what I am talking about. Note: I am a affiliate for some of the products in this list and earn a commision on the sales but that is not the reason why they are in this list. Check out the Add-ins below :
Check out this great new(Oct 2015) book from Ken Puls and Miguel Escobar : M is for (Data) Monkey: The Excel book that will change YOUR life..., a must have book.
MVP Ken Puls is a pro with PivotTables, check out the Magic Of PivotTables video course. If you’ve never created, or don’t regularly use PivotTables in your work, Ken show you that you are missing out on one of the most useful, impressive and easy-to-use tools in Microsoft Excel.
This the place to go for optimising speed, Mvp Charles Willliams is a pro in this area (calculation and speed) and create this wonderful product named FastExcel.
The FastExcel V3 Family of Products
There are 3 major products in the FastExcel V3 family which are targeted
at different types of useage, and allow you to only buy the tools you need.
FastExcel V3 Profiler
The Profiler gives you a comprehensive set of tools focussed on finding and prioritising calculation bottlenecks. If your spreadsheet takes more than a few seconds to calculate you need FastExcel profiler to find out and prioritize the reasons for the slow calculation.
FastExcel V3 Manager
This is the place to go for some great Chart addins for Excel for Windows and for the Mac(new).
For Excel for Windows :
For Excel for the Mac : http://www.rondebruin.nl/mac/addins/sectionaddins.htm
This is a free must have add-in to clean your VBA code for everyone that create and use VBA.
And when you are on Rob's site check out also the other free add-ins : http://www.appspro.com/Utilities/Utilities.htm
Very useful add-in from MVP Jan Karel Pieterse.
Excel formula auditing taken to the next level!, check it out.