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Move from alert to fix before users notice. AppSignal monitors errors, performance bottlenecks, host health, and uptime—all from one dashboard. Instant notifications on deployments, anomaly triggers for memory spikes or error surges, and seamless log management. Works out of the box with Rails, Django, Express, Phoenix, Next.js, and dozens more. Starts at $23/month with no hidden fees.
C4J is a simple, powerful and non-intrusive tool that makes it easy to add contract verification of instances and methods of any Java class or interface, with full inheritance support. C4J brings Design By Contract to Java.
The SAVE-IDE is an integrated development environment for architectural and component-based design of embedded systems. Including a tool chain for analysis, verification and code generation, with focus on safety and real-time.