Free / Open-sourcePowerful open-source workflow automation with visual node building, offering robust self-hosting options but requiring technical setup.
#1SimFin records 15,391 monthly visits with -27.5% month-over-month growth and Freemium pricing. Zapier records 5,065,248 monthly visits with +0.4% growth and Freemium, Free Trial, Paid pricing.

Fundamental stock data, screening and backtesting for self-directed investors
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | simfin.com | zapier.com |
| Pricing Model | Freemium | Freemium, Free Trial, Paid |
| Monthly Visits | 15.39K (15,391) | 5.07M (5,065,248) |
| MoM Traffic Delta |
| -5.84K (-27.5%) |
| +22.46K (+0.4%) |
| Primary Market & Share | 🇺🇸 United States (49.4%) | 🇺🇸 United States (39.5%) |
|---|
| Direct Visits / mo | 6.25K | 2.23M |
|---|
| User Rating | 4.4 | 4.7 |
|---|
| Supported Platforms | Website | Website |
|---|

Fundamental stock data, screening and backtesting for self-directed investors
Filter thousands of stocks with 80+ built-in indicators and unlimited custom conditions, then visualize the matches as line charts, scatter plots or distribution plots.
Test single stocks or weighted multi-criteria portfolios over 20+ years of history, with weekly to yearly rebalancing and sector benchmark comparisons.
Pull the same dataset through a Python package, Excel plugin, JSON web API or CSV bulk download, with tiered call-rate limits from 2 to 20 requests per second.
Monthly credit budgets from 500 to 30,000 let heavy users run intensive screens and backtests without throttling the interactive app.

Automate work across thousands of apps — no code required
Connect thousands of apps with a visual editor, using both point-and-click logic and natural language to define each step.
Connect AI tools such as Claude, ChatGPT and Cursor to your apps so they can read data and take real action.
Create AI assistants that answer questions and complete multi-step tasks across your connected systems.
Store structured data your workflows can read and update, keeping records in sync across tools.
Free / Open-sourcePowerful open-source workflow automation with visual node building, offering robust self-hosting options but requiring technical setup.
#1SpecialistVisual builder tailored specifically for custom AI agents, but less versatile for standard non-AI data synchronization tasks.
SpecialistBuild GTM systems that turn data into revenue


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Free / Open-sourcePowerful open-source workflow automation with visual node building, offering robust self-hosting options but requiring technical setup.
SpecialistVisual builder tailored specifically for custom AI agents, but less versatile for standard non-AI data synchronization tasks.
AI-powered financial reporting, dashboards and forecasting for accountants and finance teams
AI trading indicators, real-trade orderflow and charts in one platform
Global macro data and AI research platform for smarter economic decisions
Advanced no-code AI agent platform for complex web scraping and workflows, but less suited for basic app-to-app integrations.
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