AD Assistant: free, open-source estate administration and inheritance tax tool for executors (England and Wales). Informs and drafts; a person approves; nothing is filed automatically.
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Updated
Jul 25, 2026 - Python
AD Assistant: free, open-source estate administration and inheritance tax tool for executors (England and Wales). Informs and drafts; a person approves; nothing is filed automatically.
Nexa: Continuity Engine is a generational wealth operating system for designing, simulating, and governing trusts across generations. It combines programmable trust rules, multi-trust networks, lifecycle events, asset governance, permissions, tax modeling, and long-term financial simulation.
Open dataset: 2026 US state estate and inheritance tax exemptions, rate schedules and statutory citations for all 17 taxing jurisdictions. CSV + JSON, CC BY 4.0.
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