StockTwits

Commonstock

This social platform allows retail investors to link brokerage accounts, share portfolio performance and exchange investment strategies through a community network.

TradingView

TradingView develops financial charting software and a social network for retail traders and investors to research and discuss global markets.

Seeking Alpha

This company provides a crowdsourced platform for financial market analysis, news and stock data tools for individual and professional investors.

iTribe

This company provides a social networking platform offering investment education, stock market news and advisory services for retail investors.

Lunar Crush

This company provides social media sentiment analysis software and data tools for retail investors, professional traders, and developers of autonomous artificial intelligence systems.

Twitter

This company provides a social media and microblogging platform for global users to share short messages, media and real-time updates.

eToro

This company provides a social trading and multi-asset brokerage platform for retail investors to trade stocks, cryptocurrencies and other financial instruments.

TweetDeck

This company develops a social media dashboard for managing multiple accounts and real-time data feeds for individual and professional users.