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1. fincore-engine fincore-engine Public

   Open-source fintech core: double-entry ledger, payment orchestration, KYC/AML compliance and a JSON-DSL decision engine. Kotlin · Spring Boot · event-driven

   Kotlin 10

2. event-ledger event-ledger Public

   Domain layer for a double-entry bookkeeping system. Implements ledger event recording with constructor-level validation, account balance management with optimistic locking, a payout state machine w…

   Java 6

3. fraud-shield fraud-shield Public

   A self-contained fraud detection library with custom data structures, 8 composable fraud rules, and an antifraud state machine. Built for low-latency transaction scoring with no external ML depende…

   Java 7

4. geotrack geotrack Public

   A TypeScript library for building high-performance geospatial layers on top of deck.gl and MapLibre GL. Includes vessel trail rendering with adaptive smoothing, great-circle route visualization, oc…

   TypeScript 6

5. spatialkit spatialkit Public

   A focused Kotlin/Spring Boot module demonstrating spatial query patterns extracted from a production maritime platform

   Kotlin 6

6. sprint-pulse sprint-pulse Public

   Sprint capacity planning for engineering teams. Calculates Focus Factor, stability and support ratio from real working hours, visualizes trends, compares sprints. Kotlin/Spring Boot + React/TypeScript

   TypeScript 5