I found this huge repository on GitHub. This guy has amassed a large collection of links, resources, tools and so on that he found useful in his trading/investing activities.

This compilation of resources also includes stuff shared with him via Twitter, Reddit, email, etc.

Don’t forget to read the disclaimer on the website.

Table of Contents:

• GETTING STARTED

• BROKERS & TRADING SOFTWARE

  • Investing/Long-term

  • Active Trading/Professional

  • Canadian

  • European

  • Reviews

• GENERAL STOCK MARKET RESEARCH

• CALENDARS

  • Earnings Calendars

  • Dividend/Ex-Dividend Calendars

  • Economic Calendars

  • Misc Calendars

• TECHNICAL ANALYSIS

  • Education

  • Tools

• FUNDAMENTAL ANALYSIS

  • Education

  • Tools

• SCANNERS, SCREENERS & IDEA GENERATION

• TRADE ANALYSIS & REVIEW

• SEC FILINGS

  • Research & Education

  • Daily Filings by Type

• HALTS, SHORT SELLING AND EXCHANGE RESOURCES

• PAID TRADING SERVICES/EDUCATION/CHAT ROOMS

• BOOKS

  • General Stock Market/Uncategorized

  • Active Trading and Speculation

  • Valuation and Accounting Tricks

  • Financial History/Psychology

  • Options

• YOUTUBE CHANNELS

• TALKS/SPEECHES

• STOCK MARKET MOVIES/DOCUMENTARIES

• TWITTER ACCOUNTS

  • Individual Accounts

  • Research Focus

• DEVELOPER RESOURCES/ALGO STUFF/APIs

  • General Resources

  • Algo Trading Engines

  • Data APIs

• BLOGS/DISCUSSION FORUMS/LIVE CHATS/MISC RESOURCES

Source: https://github.com/2007selvam/stock-market-toolkit