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1. recall recall Public

   Self-hosted hybrid search + RAG QA (KO/EN) — BM25 + vectors + RRF + rerank on Elasticsearch, Kafka ingestion with DLQ replay, CI-gated retrieval evals, free local LLM via Ollama. No API key needed.

   Python 3

2. dispatch dispatch Public

   Real-time last-mile dispatch & route optimization: TDVRP + live Seoul traffic + multi-vehicle CVRP + live ops map (Spring Boot 4.1, PostGIS, GraphHopper, jsprit, SSE)

   Java 1

3. farewatch farewatch Public

   Distributed flight-fare watch engine - hourly multi-source polling, drop detection, dedup multi-channel alerts (Spring Boot 4.1, Kotlin/Android).

   Java 1

4. secondsight secondsight Public

   See what the machine sees. Reveals and decodes the text hiding in a file: invisible Unicode, Trojan Source, styled-out prompt injection, per-recipient watermarks. Browser, CLI and CI. Zero dependen…

   JavaScript 1