@RISK - @RISK is the world's most widely used risk analysis tool.
Kutools for Excel - A handy Microsoft Excel add-ins collection to free you from time-consuming operations.
Yasai - YASAI is an open-source Monte Carlo simulation add-in for Microsoft Excel
MC FLO - MC FLO is a add-in which make it easier to make decisions using the Monte-Carlo simulation approach.
SAFE TOOLBOXES - SAFE TOOLBOXES is an Excel add-in that enhances Excel capabilities to perform simulations...
Devart Excel Add-ins - Devart Excel Add-ins allow you to connect Microsoft Excel to live database and cloud data and work with them as with usual Excel spreadsheets.