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opensource.finance

Open-source infrastructure for fintech

opensource.finance

Open-source infrastructure for the next generation of fintech.

We're building the operating system for financial vigilance — starting with transaction monitoring, now expanding into AI-powered compliance automation.


🦅 Osprey

Our flagship project. A single-binary, real-time transaction monitoring engine.

  • 60-Second Deploy — No Kubernetes. No microservices. Just download and run.
  • Secure by Design — Built with lessons from protecting national payment rails.
  • Open Source — Apache 2.0. Run it on your infrastructure. Own your data.

Transaction monitoring for everyone who isn't a bank.

🔗 View Project →


🤖 Osprey Narrator

AI-powered SAR narrative generation. A fine-tuned LLM that transforms Osprey's raw alert output into structured, analyst-ready compliance narratives — replacing hours of manual report writing with seconds of inference.

  • Instant Narratives — Feed it an Osprey alert JSON, get a complete SAR-style report
  • 12 FATF Rules + 6 Typologies — Full coverage of AML/CFT compliance framework
  • Run Anywhere — Available as LoRA adapter (HuggingFace) or quantized GGUF (Ollama)
  • Trained on Synthetic Data — No real customer data used, fully reproducible

From alert to narrative in seconds, not hours.

Get the model:

Platform Link Format
🤗 HuggingFace josephgoksu/osprey-narrator-v0.1 LoRA adapter
🦙 Ollama josephgoksu/osprey-narrator Q4_K_M GGUF
# Try it now with Ollama
ollama run josephgoksu/osprey-narrator

Our Heritage

We're engineers who built fraud detection systems for national payment infrastructure. Now we're making that same rigor accessible to everyone.

🌐 opensource.finance


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    Transaction monitoring that deploys in 60 seconds. CEL rules, FATF typologies, single Go binary.

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