I don't have access to real-time information or data beyond my last knowledge update in January 2022, so I can't provide you with the current stock market software rankings or specific details about software available after that date. However, I can provide some information on popular stock market software platforms as of my last update. Please note that the popularity and features of these platforms may have changed since then. You should do your own research to find the most up-to-date information. Here are some well-known stock market software platforms:

1. **E*TRADE:** E*TRADE offers a user-friendly platform for trading stocks, options, and other securities. It provides research tools and real-time data.

2. **TD Ameritrade (now part of Charles Schwab):** TD Ameritrade's thinkorswim platform is known for its advanced trading tools and comprehensive market research.

3. **Fidelity:** Fidelity offers a robust platform with research and trading tools, as well as a user-friendly mobile app.

4. **Charles Schwab:** Charles Schwab's platform is widely used and offers a range of investment and trading options.

5. **Interactive Brokers:** Interactive Brokers is known for its professional-grade trading tools and access to a wide range of global markets.

6. **Robinhood:** Robinhood gained popularity for commission-free trading and a user-friendly mobile app, though it may have limitations compared to more advanced platforms.

7. **NinjaTrader:** NinjaTrader is a popular platform for day traders and offers advanced charting and analysis tools.

8. **MetaTrader 4 (MT4) and MetaTrader 5 (MT5):** These platforms are widely used for Forex trading but also support trading in stocks and other instruments. They offer a variety of technical indicators and automated trading options.

9. **TradeStation:** TradeStation is known for its powerful charting and technical analysis tools.

10. **Tradier:** Tradier is a cloud-based trading platform that provides access to various brokerages and supports algorithmic trading.