A vibe investing agent harness. LangAlpha is built to help interpret financial markets and support investment decisions.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Online
- Software as a Service (SaaS)
- Self-Hosted
- Docker




Apps similar to Koyfin include TradingView, which has a free version. Other options are Bloomberg, FinViz, Investing.com and Yahoo! Finance. Stock Trading Apps like Koyfin are a crowded field, with more than 100 alternatives for the web, Android, iPhone, Windows and iPad.
A vibe investing agent harness. LangAlpha is built to help interpret financial markets and support investment decisions.




GeminIQ is a direct-from-SEC investment research platform delivering accurate, source-verified financial data with 50+ metrics, interactive visualizations, insider tracking, and a 100+ filter stock screener — all traceable back to the original filing.




Free technical analysis with daily trend signals, interactive charts and portfolio tracking across crypto, stocks and commodities.



AI trading analyst that turns your market thesis into a backtested strategy using SEC filings, insider data, FRED macro indicators and news sentiment.








Combines live crypto and stock prices with AI-based sentiment, VIX volatility and Fear & Greed measures in one market dashboard. It includes AI insights, news, an economic calendar, crypto ROI and position-size calculators, and guides to risk management and indicators.




Market explanations graded against real closing prices. 220,000+ verified outcomes. Every miss published alongside every win.



QuoTrend is an AI-powered stock screener and market-data platform built for retail traders and investors who want serious market data without the jargon.




Martian Alpha is a research terminal for space stocks: launch calendar, catalyst feed, CANSLIM screener, contract awards and private-company data. Free core plan.




Qualtix is a model-backed stock research platform for self-directed investors. It scores business quality, valuation, entry timing, risk, and data quality across 1,000+ US stocks.




QuantiBot.ai is an AI investment research platform designed for stock analysis, portfolio backtesting, and stock fundamental analysis through the ease of conversational AI.




Brings ultra-fast backtesting, integrated charting, order management, trading indicators, and seamless automation to MetaTrader 5, while the MQR scripting language enables rapid creation, validation, and execution of custom trading strategies for all traders.
