| What it does | Free FIRE financial planner with Monte Carlo simulation and historical backtesting
| Free astrology calculators with published methods and astronomical accuracy
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| Stage | Established
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| Founded | 2019
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Monte Carlo simulation with up to 5,000 runs
- Historical backtesting against every market period since 1872
- US federal, state and payroll tax calculations for all 50 states
- Roth conversion ladder and RMD planning
- Six stress tests including market crash and job loss
- Three withdrawal strategies with 59.5 rule enforcement
- Support for 9 asset types with individual growth rates
- Month-by-month income and expense modeling with custom timelines
- Life event planning
- 9-currency support with auto-detection
| - Calculate Chiron sign and degree from birth date
- Optional birth time to determine Chiron house
- Exact Chiron return dates
- NASA JPL Horizons ephemeris data
- Chiron retrograde calendar
- Birth date range 1900 to 2100
- Chiron sign interpretations
- Historical timezone accounting
- Published methodology and accuracy verification
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| What makes it different | - Runs entirely in your browser with no account needed or data stored on servers
- Tests retirement against 154 years of historical market data since 1872
- Calculates exact tax liability for all 50 US states plus federal and payroll taxes
- Completely private with no data collection, selling or sharing
- Works offline on Android with full planner functionality
| - Uses NASA JPL Horizons data verified to within a fraction of an arcsecond
- Open source code and ephemeris data on GitHub
- No account required and birth details not stored
- Transparent about calculation methods and limitations
- Handles uncertain birth times with clear flagging
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 13 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 4 | 0 |
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| Citation Flow (Majestic) | 34 | 16 |
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| Referring domains (Majestic) | 127 | 2 |
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firenum™
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