Analysis

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  Estimize - Estimize is the first open source financial estimates platform. A diverse community of members from the top hedge funds and asset management firms, to independent analysts and investors, corporate finance professionals and students contribute their earnings estimates.
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  TopicWatch - Lucky Sort's text analytics platform & interface. Whether you're a macro finance analyst or a director of business development, you have hunches about trends in the market. Use the TopicWatch platform to easily construct a set of phrases that act as proxy variables for trends of interest.

Charting

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  TradingView - TradingView offers the best stock charts and a community of investors who are passionate about sharing trading ideas.

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  YCharts - YCharts is the financial terminal of the web. Leverage its financial and economic data set to help make better investing decisions.

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  ChartIQ - ChartIQ offers social, mobile-optimized stock charting and technical analysis tools.

Communication

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  Engagio - Gmail-like Inbox for your online conversations and relationships. Within Engagio, you can manage your StockTwits interactions and discover where your friends are engaging across social networks and commenting systems.

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  Singly - Singly simplifies personalization by making it easy to integrate social and personal data into applications and websites. Use it for authentication across services, categorize and organize data and provide a single consistent read/write API.

Investor Relations

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  Q4 Web Systems - Q4 gives you the power to manage all aspects of your IR website. Q4 Web CMS enables simultaneous publishing of news and updates to your investor website and social networks.

Productivity

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  Zapier - Zapier makes it easy to track or archive StockTwits streams in your favorite web apps or update your StockTwits status from elsewhere.