DiagAutoClinic Operating System
Open Source β’ Cross-Platform β’ RevolutionaryThe world's most advanced open-source automotive diagnostic software suite. Built by mechanics, for mechanics, with legendary AI precision.
DACOS is a revolutionary open-source diagnostic operating system designed to democratize professional-grade automotive diagnostics. Born from real-world workshop challenges and powered by human-AI collaboration, DACOS brings enterprise-level diagnostic capabilities to independent mechanics, enthusiasts, and technicians worldwide.
This isn't just softwareβit's a movement. DACOS proves that when human expertise meets artificial intelligence, we can build tools that rival (and surpass) proprietary systems costing thousands of dollars.
Full SAE J2534-1 and J2534-2 compliance for professional ECU programming, diagnostics, and reflashing. Compatible with all major PassThru devices.
ISO9141, ISO14230 (KWP2000), ISO15765 (CAN), J1850 PWM/VPW, and more. Comprehensive coverage for domestic, European, and Asian vehicles.
Professional-grade ECU reading, writing, and tuning capabilities. Support for major manufacturers and aftermarket solutions.
Live data streaming, graphing, and analysis. Monitor vehicle parameters in real-time with customizable dashboards.
Read, clear, and analyze Diagnostic Trouble Codes (DTCs) with detailed descriptions and repair guidance.
Runs on Windows, Linux, and macOS. Deploy on desktop, laptop, or Raspberry Pi for portable diagnostics.
Secure boot verification, encrypted communication, and comprehensive error handling to protect both vehicle and user.
Plugin system for custom protocols, manufacturer-specific modules, and community-contributed enhancements.
Fully open-source under permissive licensing. Community-driven development, transparent codebase, and free to use.
High-performance backend
Modern, responsive interface
Industry-standard PassThru
Vehicle data & logs
93%+ code coverage
Containerized deployment
DACOS wouldn't be possible without the support of industry leaders who believe in open-source innovation.
Premium diagnostic hardware partner providing cutting-edge J2534 devices for DACOS development and testing.
Industry-leading OBD and PassThru solutions, supporting DACOS with professional-grade hardware integration.
Free. Open source. No licenses. No subscriptions. Just legendary diagnostic software.
Licensed under MIT License β’ Compatible with Windows, Linux, macOS
Community-driven β’ Professionally maintained β’ Forever free