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Catch Bugs Before Your Customers Do
Real-time error alerts, performance insights, and anomaly detection across your full stack. Free 30-day trial.
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.
Haggler supports the definition, documentation, and implementation of class invariants and method pre-conditions and post-conditions through Java5 annotations.
JTL is a compiler for Java extended with traits. Traits are lightweight entities that serve as primitive units of code reuse. A trait is similar to an interface, but can contain method implementations.
Compiler for java assembly to class file. This compiler contains dead code detection and allow creating method, field and constructor from a java assembly file
Introspect on running programme, view and alter object fields and methods. Edit the code of any method at runtime; apply the changes to any combination of objects, such as an array, or a complete class. Complete rewrite underway available Jan 2007.
...It remove debugging informations.
It remove unnecesary attributes for execution.
It remove unused fields and unused methods.
It remove unused entry in the constant pool.
It rename fields and method