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Stop vibe-debugging.
Plug Claude into your app's actual errors.
AppSignal's MCP server hands Claude, Cursor, or Zed your real errors, traces, and the deploy that shipped them. AI writes the fix; you review the diff.
fun4j brings functional programming to the JVM. It's a framework that integrates major concepts from functional programming into the Java Platform. It also provides seamless integration of Java with Lisp coding, by using a lisp-to-bytecode compiler.
WebMacro is a 100% Java open-source servlet framework that enables programmers and designers to work together while promoting the ModelViewController pattern. WebMacro is a viable (and proven!) alternative to JavaServerPages, PHP, and ASP. Deployed to ht
Expression4J (Math Expression Parser) is a java framework used to manage mathematic expression stored in String object like "f(x,b)=2*x-cos(b)" or "g(x,y)=f(y,x)*-2". Expression gramar can be define by user (add new operator or type ...)
The CLI4J Project provides a framework to create CICSO-like CLIs, using Java and XML to construct a command hierarchy that can be as simple or as complex as required, effectively interacting with console users.
CDCL (Cascading Disclosure-Control Language) is a simple, transparent, high-confidence mechanism for declaring rules of disclosure. It is a language and framework built expressly for item-level disclosure control.