@RISK - @RISK is the world's most widely used risk analysis tool.
Yasai - YASAI is an open-source Monte Carlo simulation add-in for Microsoft Excel
Invantive Control for Excel - Invantive Control enables you to make decisions with Microsoft Excel and yet remain fully compliant...
Kutools for Excel - A handy Microsoft Excel add-ins collection to free you from time-consuming operations.
SAFE TOOLBOXES - SAFE TOOLBOXES is an Excel add-in that enhances Excel capabilities to perform simulations...
Risk Solver - Risk Solver provides Instant, interactive risk analysis in Excel, with lightning-fast simulations...