Best DTrace Alternatives & Competitors

OllyDbg is a 32-bit assembler level analysing debugger.

Trace system calls and signals. A diagnostic, debugging and instructional userspace utility.

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Try for free Open Source freemium

X64dbg is a debugging software that can debug x64 and x32 applications.

SoftICE is a debugging software for windows and DOS that analyzes all your programs and repairs them.

Nirsoft Simple Program Debugger is a debugging software that analyzes and displays all major debugging events across your computer, after connecting to either the running program or starting a new program in the debugging mode.

Perf is a simple app monitoring solution paired with meaningful alerts.

Open Source

WinDbg is a multipurposed debugger for Microsoft Windows, distributed on the web by Microsoft as...

Immunity Debugger is a powerful new way to write exploits, analyze malware, and reverse engineer...

Debugger for C, C++, Objective-C, Objective-C++, Swift.

Open Source

A function tracer for the Linux kernel.

GNU Project Debugger, or gdb, is a command-line, source-level debugger for programs that were...

Data Display Debugger as the name suggests is a display software for debugs that acts as a graphical interface for other debugging platforms such as DBX, JDB, XDB, GDB, ladebug, bashdb, and the perl debugger among others.

Valgrind is an instrumentation framework for building dynamic analysis tools.