F

financial-data

CarryChain is an open-source, AGPL-3.0+ licensed marketplace and logistics network that enables direct, transparent trade between producers and buyers without speculative pricing or intermediaries. It integrates verified carriers, publicly listed transport pricing, escrow-based transactions, and full supply-chain visibility to create a fair, trust-based global commerce system where goods move directly from producer to purchaser under transparent and accountable conditions. https://roxanneardary.com/carrychain/

Wattonomy is an open-source energy decision intelligence platform that models real-world heating, cooling, and utility systems based on location, cost, and performance data. It evaluates installation costs, monthly energy usage, and lifetime expenses while incorporating verified federal, state, and utility incentives. By combining deterministic financial modeling with transparent, source-backed AI explanations, Wattonomy helps users understand the true long-term cost of energy systems before making installation decisions. https://roxanneardary.com/wattonomy/

EnerAgent is an open-source, AI-driven energy management platform designed to optimize energy usage, reduce carbon emissions, and enable advanced predictive and strategic operations. It integrates real-time monitoring, multi-site optimization, AI-powered forecasting, human-AI collaboration, and sustainability tracking into a single modular platform. EnerAgent is built for industrial, commercial, and societal energy ecosystems, empowering organizations and communities to make smarter, greener, and more cost-effective energy decisions while fostering open innovation. https://roxanneardary.com/eneragent/

OpenHighway is an open-source civic transparency platform designed to track how highway funding moves from its original sources—such as taxes, tolls, and federal allocations—through government agencies, contracts, and contractors, all the way to completed infrastructure projects. It provides a unified, auditable system for visualizing revenue, spending, and project outcomes to improve public accountability in transportation infrastructure. https://roxanneardary.com/openhighway/

GovGraph is an open-source, modular system for mapping and analyzing public systems through structured data. It connects social media activity, campaign finance disclosures, and publicly available institutional information into a unified graph model, enabling transparent, reproducible analysis of how public-facing digital activity and documented financial data relate across platforms and agencies. https://roxanneardary.com/govgraph/

CommonsProtocol is an open-source civic transparency platform that provides a public, auditable infrastructure for political campaigns, governments, and civic organizations. It enables real-time visibility into donations, spending, and governance finances through a federated, append-only ledger system designed for accountability, trust, and public oversight. https://roxanneardary.com/commonsprotocol/

Altius Capital OS is a modular financial operating system that transforms jurisdictional rules, tax codes, and custody constraints into a deterministic computation framework. It models capital allocation across banking, treasury, and brokerage systems while incorporating federal and state tax logic through a versioned rule-graph architecture. The system is designed to produce transparent, auditable, and constraint-compliant capital structures, enabling users to evaluate financial strategies as structured, reproducible outputs rather than subjective advice. https://roxanneardary.com/altius-capital-os/

Vantor is a deterministic capital routing system that converts explicit user-defined financial intent into structured, rule-validated execution instructions. It uses AI solely as a natural language parser and enforces a strict no-withdrawal, no-inference architecture where all allocations, schedules, and transactions must be explicitly defined, validated, and executed through approved deposit-only financial rails. https://roxanneardary.com/vantor/

Ledger Watch is an open-source financial data infrastructure project that organizes publicly available market information—such as trades, SEC filings, corporate actions, and economic events—into a structured, verifiable system. It connects entities like individuals, companies, and institutions to market events through a transparent data model designed for analysis, research, and pattern discovery. The system emphasizes neutrality, reproducibility, and strict reliance on public, source-backed data rather than speculation or inferred intent. https://roxanneardary.com/ledgerwatch/

Clean, minimal Android widget app for displaying real-time stock prices on your home screen

Download apk

Google Apps Script implementation to retrieve exchange data from the Brazilian Central Bank API.

Google Apps Script implementation to retrieve time series data from the Brazilian Central Bank API.