These are a collection of calculators & tools I use periodically.
Financial Calculators
FNcalculator – Common Financial Calculators
Bond Calculators
Bankrate – (Taxable) Bond vs (Tax free) Municipal Bond
Dividend Calculators
DRIP Returns – Calculate dividend reinvestment returns
Options Calculators
Optionstrat (free/paid)- Build and calculate options strategy
Options Profit Calculator (free) – Find options profits (similar to optionstrat)
Equity/Stock Research
FinancialTrackr (free)
FastGraphs (paid)
SeekingAlpha (free/paid)
Vetta FI – ETF Stock Exposure Tool (find out what stock is in an ETF).
ETFRC – Find the equity overlap within two ETFs.
Bond Research
GinnieMae – Government Bond Search Query
EMMA – Municipal Bond Research / Market Access tool
Vetti Fi Municipal – Municipal Bond ETF Research
Real Estate Toolbox
Propwire – Property data (free)
Reventure.app – Blended real estate data, demographics, sales, etc.
Retirement Calculators
Open Social Security – Tool to help you decide when to start social security.
Eligibility & Premium Calculator for Medicare.
Retirement Calculator – How Long Will My Money Last? FIREcalc.com (free), www.boldin.com (paid)
Financial Advisor/Planner/Consultant
Kitces – Tools to research financial advisors, planners, consultants, etc.
FinTech Map – A map of all software used by financial advisors, planners, consultants.