Bug-fix-only libev port of shadowsocks
Lightweight static analysis for many languages
Find the Root Cause in Your Code's Trace
Rapid applications development tool and libraries for FPC
Never use print for debugging again
A lightweight, one line setup, iOS / OSX network debugging library
Android HotFix solution with high compatibility and high stability
Web Debugging Proxy Application
Change your MAC address for debugging
HTTP Rake - a simple HTTP server for examining/testing HTTP requests
An experimental BASIC language for Linux, Mac OS X, and Windows.
Extend GDB Server feature, OS Aware Debugging, Thread Stack Checking