Open-source alternatives to Gapid

DebugView++, collects, views, filters your application logs, and highlights information that is important to you!

Interactive Go interpreter and debugger with REPL, Eval, generics and Lisp-like macros

A collection of LLDB aliases/regexes and Python scripts to aid in your debugging sessions

edb is a cross-platform AArch32/x86/x86-64 debugger.

MangoHud is a Linux hardware monitor and performance overlay that displays real-time metrics and frame rates. It functions as a graphics API hook, intercepting Vulkan and OpenGL pipelines to render performance data directly onto the graphics buffer. The project serves as both a real-time monitor for CPU and GPU utilization, temperatures, and power draw, and a frametime data logger that records execution speed to disk for later benchmarking and analysis. Users can modify the overlay display, visual styles, and active metrics through configuration files, environment variables, or predefined pe

Debugging manhole for python applications.

Function graph tracer for C/C++/Rust/Python

pdb++, a drop-in replacement for pdb (the Python debugger)