These systems collectively define a new class of financial infrastructure built around deterministic computation, auditability, and programmable capital logic. Instead of treating financial services as isolated tools—banking, payments, custody, taxation, and market analysis—they are restructured as interoperable layers within a unified operating model. Each layer is designed to translate real-world economic activity into verifiable state changes, enabling capital flows, compliance rules, and valuation models to be executed with precision, traceability, and minimal ambiguity. The result is a framework where financial behavior can be simulated, enforced, and audited as structured computation rather than interpreted through fragmented institutional systems.
Across the broader ecosystem, emphasis is placed on transparency, cryptographic integrity, and AI-assisted decision orchestration for both individuals and institutions. Identity, intent, and financial state are treated as continuous, governed systems rather than static accounts, allowing for adaptive allocation, risk modeling, and long-horizon planning across multiple economic environments. These systems are designed to be composable, enabling organizations to integrate only the components they require while maintaining full interoperability with the rest of the stack. A Specification Branding License is available and may be negotiated for organizations seeking attribution-free licensing, allowing for private or white-labeled deployment under agreed terms while preserving the structural integrity of the underlying specifications.
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Altius Capital OS Module Specification
https://roxanneardary.com/altius-capital-os/
Altius Capital OS is a modular financial operating system. It transforms tax codes, regulatory rules, and custody constraints into a deterministic, auditable capital computation engine. -
BalanceSeal Module Specification
https://roxanneardary.com/balanceseal/
BalanceSeal is a cryptographic audit and termination snapshot system for cryptocurrency exchanges and wallets. It generates verifiable final-state balance reports with time-frozen valuation and tamper-evident integrity. -
CaptialScope Module Specification
https://roxanneardary.com/capitalscope/
CapitalScope is an open source specification for AI-assisted venture financing that evaluates Enterprise Creators through business analysis, market demand, predictive modeling, emerging technology assessment, risk scoring, and cost validation. It provides Venture Capitalists with a deterministic financing framework featuring a fixed 4% interest rate, predictable repayment, principal-linked interest elimination, penalty-free prepayment, and optional business development plugins. -
CashOps Module Specification
https://roxanneardary.com/cashops/
CashOps is a modular AI personal finance optimization specification designed to maximize the productive use of available cash while protecting liquidity, payment obligations, and user-defined financial policies. It integrates yield optimization, cash flow forecasting, PrePayGuard, Nexa, and Soluna Finance OS to coordinate safer, timely, and explainable financial decisions. -
CryptoCradle Module Specification
https://roxanneardary.com/cryptocradle/
CryptoCradle serves as a global startup accelerator for fractional investments. It supports multi-currency funding and blockchain equity tracking. -
Crystal Ledger Module Specification
https://roxanneardary.com/crystal-ledger/
Crystal Ledger is an open-source custodial financial infrastructure system. It provides verifiable transparency, Bitcoin-first treasury management, and immutable cryptographically auditable accounting. -
ExitCompute Module Specification
https://roxanneardary.com/exitcompute/
ExitCompute is an open-source AI platform that helps retail investors evaluate when and how to reduce stock market exposure by combining personal financial needs, portfolio risk, macroeconomic signals, tax considerations, and scenario modeling. It provides explainable, tax-aware decision support designed to help investors protect accumulated capital and profits while clearly communicating uncertainty, risks, and limitations. -
Explorer Captial Module Specification
https://roxanneardary.com/explorer-capital/
Explorer Capital is a deterministic financing specification for participants in an approved World Expedition Program curriculum, offering up to $120,000 at 5% interest with a two-year interest-free delay and six years of equal principal and interest payments. Standard amortization establishes the total interest, while the Explorer Capital model distributes principal and interest equally across payments, with prepayments shortening the term and eliminating associated future interest. -
FinAxis Module Specification
https://roxanneardary.com/finaxis/
FinAxis is an AI and LLM-ready regulatory intelligence specification that helps lending businesses understand federal, state, and local requirements across consumer, personal, business, commercial, mortgage, and other lending products. It provides a modular framework for licensing, pricing, disclosures, forms, underwriting, compliance, servicing, collections, privacy, regulatory monitoring, and source-verified legal guidance. -
FiniteTerm Module Specification
https://roxanneardary.com/finiteterm/
A modular open source specification for deterministic financing across industries and products, providing financing you can model through defined terms, affordability, payments, costs, and lifecycle rules. -
FiscalTruth Module Specification
https://roxanneardary.com/fiscaltruth/
FiscalTruth is an open-source civic watchdog and whistleblower platform. It tracks public spending, detects financial anomalies, and empowers citizens with transparency into tax dollar allocation. -
FuturePathway Module Specification
https://roxanneardary.com/futurepathway/
FuturePathway is an open source specification for deterministic education financing that uses average starting salaries to establish predictable loan limits, while AI assists students with career planning, school discovery, and identifying education pathways that fit within their qualifying financing. -
Internal Credit Module Specification
https://roxanneardary.com/internal-credit/
Internal Credit is an AI-powered modular financial platform. It enables users to borrow against their own savings while continuing to earn returns on deposited capital. -
JubileeLoan Module Specification
https://roxanneardary.com/jubileeloan/
JubileeLoan is a deterministic financing specification for refinancing school loans that have exceeded 15 years in repayment, with a one-time 1% interest charge, preservation of the existing monthly payment, a maximum 10-year repayment period, and mandatory debt jubilee for any remaining eligible balance. -
LatticePay Module Specification
https://roxanneardary.com/latticepay/
LatticePay is an open-source encrypted local-first payment infrastructure. It enables private merchant-owned commerce without surveillance or centralized control. -
LivingTrust Standard Module Specification
https://roxanneardary.com/livingtrust-standard/
LivingTrust Standard is an AGPL-3.0+ open source specification for modular living trusts focused on stable income, capital preservation, predictable distributions, and long-term financial stability. It provides standardized beneficiary succession, state-based cost-of-living calculations, AI-assisted research, and independent trust architecture designed to create a foundation for every generation. -
LoanSphere Module Specification
https://roxanneardary.com/loansphere/
LoanSphere is an open source specification for connected lending systems, providing a modular framework for defining, managing, and integrating loan programs, qualification criteria, pricing models, repayment structures, and lending workflows. It enables financial organizations to build interoperable lending solutions while maintaining control over their own lending policies, requirements, and business rules. -
Nexa: Continuity Engine Module Specification
https://roxanneardary.com/nexa/
Nexa is a generational wealth operating system. It structures, simulates, and governs long-term financial systems through programmable trust logic and multi-generational continuity modeling. -
OpenLeverage Lab Module Specification
https://roxanneardary.com/openleverage-lab/
OpenLeverage Lab is an open-source financial simulation engine. It forecasts leverage outcomes, margin risk, and portfolio behavior under real-world market uncertainty. -
Orvian Module Specification
https://roxanneardary.com/orvian/
Orvian is an AI-driven personal financial operating system. It organizes money into intelligent envelopes for budgeting, goals, and tax automation over existing bank accounts. -
Paystead Module Specification
https://roxanneardary.com/paystead/
Paystead is a locally hosted financial management platform that unifies banking, bills, payments, statements, checks, and financial records across multiple financial institutions. AI assists with financial tasks while users retain control over permissions, approvals, and money-moving decisions. -
PayTerrain Module Specification
https://roxanneardary.com/payterrain/
PayTerrain tracks real wages and cost-of-living adjustments. It provides analytics for fair compensation. -
PrePayGuard Module Specification
https://roxanneardary.com/prepayguard/
PrePayGuard is an open source AI specification designed to help users keep payments on time while preventing overdrafts, bounced checks, and funding failures. It monitors bills, statements, payment deadlines, and account balances, providing advance warnings and coordinated financial guidance while keeping consequential decisions under human control. -
ProofRail Module Specification
https://roxanneardary.com/proofrail/
ProofRail is an open-source trust-native financial infrastructure protocol. It enables real-time programmable and verifiable money movement through Proof-Powered Finance. -
PublicLaunch Module Specification
https://roxanneardary.com/publiclaunch/
PublicLaunch is an open-source AI-powered market intelligence platform. It quantifies market behavior through historical analysis, manipulation-risk assessment, IPO research, and probabilistic outcome modeling. -
QuantumSettle Module Specification
https://roxanneardary.com/quantumsettle/
QuantumSettle is an AI-driven financial operating system. It provides stable denomination-guaranteed settlement and intelligent liquidity management across volatile global markets. -
SharedRail Module Specification
https://roxanneardary.com/sharedrail/
SharedRail is an open-source federated payment infrastructure. It enables secure identity-based multi-currency transactions with modular compliance and instant global settlement. -
Soluna Finance OS Module Specification
https://roxanneardary.com/soluna-finance-os/
Soluna Finance OS is a financial operating system for institutions. It unifies insured liquidity through account abstraction, AI-driven allocation, and continuous identity-based orchestration. -
Solvra Module Specification
https://roxanneardary.com/solvra/
Solvra is an open-source controlled amortization engine that provides transparent loan modeling through capped interest calculations and evenly distributed payments across the full loan term. It enables deterministic mortgage scenarios, affordability analysis, and financial simulations through a modular architecture designed for extensibility and transparency. -
TaxLensUS Module Specification
https://roxanneardary.com/taxlensus/
TaxLensUS is an open-source AI system for U.S. tax analysis. It examines corporate tax filings and economic data to estimate policy impacts on small businesses. -
The Open Work System Module Specification
https://roxanneardary.com/the-open-work-system/
The Open Work System is an AI-driven coordination and incentive protocol for open-source development. It measures contributions, prevents duplication, and distributes funding based on verified impact. -
TrustCard Module Specification
https://roxanneardary.com/trustcard/
TrustCard is an open-source privacy-first digital wallet and universal payment platform. It uses end-to-end encryption, secure authentication, and transparent financial infrastructure. -
TrustTip Module Specification
https://roxanneardary.com/trusttip/
TrustTip is a cross-platform audit-grade tipping and attribution system. It links every digital tip to its exact source content, reason, and structured financial record. -
Vantor Module Specification
https://roxanneardary.com/vantor/
Vantor is a deterministic capital routing system. It converts explicit user-defined financial intent into structured rule-validated deposit-only execution instructions. -
Wealth Continuum Module Specification
https://roxanneardary.com/wealth-continuum/
Wealth Continuum is an AI-powered research platform for long-term capital stewards. It focuses on transparency, ownership quality, governance, and generational wealth analysis.
Buy the Basket: https://roxanneardary.com/digital-finance/
Open Arsenal Digital Finance Specifications are released under the GNU Affero General Public License v3.0 or later (AGPL-3.0+). By contributing to any Open Arsenal project, you agree that your contributions will also be released under this license.
Please note the following:
- All contributions must comply with the AGPL-3.0+ terms.
- Under Section 7 of the license, all redistributions, forks, and derivative works must preserve attribution to:
Roxanne Ardary and roxanneardary.com. - Open Arsenal Digital Finance specifications are free to use with attribution. A Specification Branding License can be negotiated upon request.
- The project's notice.md file tracks attribution requirements and contributor acknowledgments.
Any update that adds new contributors or modifies attribution should also updatenotice.md. - When submitting a pull request, ensure that any new files maintain the attribution headers where applicable.
- Network-deployed versions of this software must also remain fully AGPL-3.0+ compliant, including exposure of source code modifications when applicable under the license.
For full legal details, please refer to the AGPL-3.0+ license and the project's notice.md file.
Open Arsenal Hub
https://github.com/openarsenalspecs