
Evolution Freedom Stock Screener
NineThirty
FinViz
TradingView
Koyfin
Fey
Alphalens
All-in-one stock screener and backtesting tool for investors

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Website, pricing, platforms and company facts side by side.
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| Website | alphascreener.com | diffyn.com |
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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
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As answered by people managing AlphaScreener and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
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An AI-first stock screener and backtester for US stocks and ETFs. Build screens in plain English across technicals, fundamentals, news sentiment and insider trades, then backtest the screen itself. Every AI answer cites its source.
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Stock screener for investors and traders, financial visualizations.
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The best charting tool for crypto and stocks
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Koyfin provides tools to help investors research stocks and other asset classes through dashboards and charting.
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