P/L Charts
OptionStrat
A trader toolkit for visualizing payoff charts and quickly exploring different option structures and scenarios.
Backtesting
Option Omega
A very strong backtesting platform for SPX, QQQ, and more, including intraday-style analysis and even 0DTE-based testing.
Calculation
Options Profit Calculator
Useful for building a concrete options strategy from real options data and checking profit, loss, and break-even directly.
Research
Barchart Options
Broad options coverage with chains, unusual activity, and additional filters for daily research.
Community
OptionsUniversum
Two seasoned market professionals with strong expertise and a likeable style, especially useful for mindset, market context, and concrete options setups.
Education
tastytrade / tastylive
For many traders, this is one of the leading global resources for options. Since August 2011, it has offered YouTube content, live programming, courses, and nearly endless research around options, volatility, and trade mechanics.