Awesome Open Source
Awesome Open Source

License GitHub release Build

Source++ is an open-source live coding platform. Add breakpoints, logs, metrics, and distributed tracing to live production software in real-time on-demand, right from your IDE or CLI.

Powered by Apache SkyWalking, Source++ enhances the software development experience with production debugging and development capabilities. Become a production-aware developer, understand code faster and deeper with developer-native observability technology, safely debug production applications with negligible to minimal overhead, and gain continuous insight into your application as it behaves in its natural environment.


  • Live Instruments
    • Live Breakpoints: Non-Breaking Breakpoints
    • Live Logs: Just-in-Time Logging
    • Live Meters: Real-Time KPI Monitoring
    • Live Spans: User-Domain Tracing
  • Multi-instance debugging
  • Role-based access control
  • Instrument conditionals
  • Instrument TTL, sampling, rate limiting
  • Feedback whitelist/blacklist
  • PII redaction


Get Started

Compiling Project

Follow this document.


The Source++ documentation is available here.

Directory Structure

├── config              # Development setup, Detekt, etc.
├── docker              # Docker setup files
    ├── e2e             # End-to-end testing environment
    ├── spp-oap-server  # SkyWalking OAP (incl. Source++ processor) image
    └── spp-platform    # Live coding server image
├── documentation       # Documentation
├── gradle              # Gradle wrapper
├── interfaces          # Live coding clients
    ├── cli             # Command-line interface
    └── jetbrains       # JetBrains IDE plugin
├── platform            # Live coding server
    ├── common          # Common code
    ├── core            # Core code
    └── services        # Services
├── probes              # Live coding probes
    ├── jvm             # JVM support
    └── python          # Python support
├── processors          # Live coding processors
    ├── instrument      # Live instrument processing
    └── log-summary     # Log summary processing
└── protocol            # Communication protocol


This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Please see the LICENSE file in our repository for the full text.

Get A Weekly Email With Trending Projects For These Topics
No Spam. Unsubscribe easily at any time.
Kotlin (59,703
Monitoring (4,142
Developer Tools (1,777
Debug (997
Aop (388
Observability (379
Distributed Tracing (297
Live Coding (296
Production (274
Related Projects