Native graphical debugger for x64 programs on Windows (Linux in early stages), with a fast linker and its own debug-info format.
Free tool inDeveloper tools
RAD Debugger at a glance
Checked 18 Oct 2026The RAD Debugger is Epic Games' native, multi-process graphical debugger for x64 programs. Windows is the main platform; Linux support is very early and there is no macOS support. The repo also holds the RAD Linker (an MSVC-compatible PE/COFF linker for very large projects) and the RDI debug-info format. The README says the debugger is in alpha. Prebuilt binaries are on the Releases page, or build with MSVC/Clang or GCC. MIT licence. It is a free tool and does not replace a paid product.
RepoQuarry. “RAD Debugger.” Checked 18 Oct 2026. https://repoquarry.dev/projects/raddebuggerWhat it replaces
Nothing people pay for: it’s a free tool, listed because people search for it. Find similar projects in Developer tools.
Facts, with sources
Every answer links to where we found it. We read the documentation; we did not install it.
The RAD Debugger is a native, user-mode, multi-process, graphical debugger.github.com · raddebugger#readme ↗ 3d ago
Permission is hereby granted, free of charge, to any person obtaining a copy of this softwaregithub.com · LICENSE ↗ 3d ago
It currently only supports local-machine x64 debugging on both Windows and Linux (although Linux support is still very early).github.com · raddebugger#readme ↗ 3d ago
It currently only supports local-machine x64 debugging on both Windows and Linux (although Linux support is still very early).github.com · raddebugger#readme ↗ 3d ago
You can find pre-built release binariesgithub.com · raddebugger#readme ↗ 3d ago
No licence changes since we started watching. Licence watch: follow RAD Debugger and we email you if its licence terms change.
Growth and activity in detail
Is it popular, and is anyone still working on it? From GitHub.
- Actively maintained10 people committing, active 11 of the last 12 weeks.
10 people committing in the last 12 months · 2 pull requests merged in 30 days · 64 issues opened, 29 closed in 30 days
Stars over time
Building history+29 stars since 18 Oct 2026. The 7-day comparison and the trend label start once there is a full week of daily counts.
- RAD Debugger
Tracked daily since 18 Oct 2026. Dashed history: estimated from public records of when people starred the repo. Lines connect observations only; gaps contain no measured points.
Commits per week, last 52 weeks
active 11 of the last 12 weeksDown 32% on the 12 weeks before.
Where these numbers come from
- Stars, forks, releases: GitHub's public API, fetched every night (last fetch today).
- Star history: counted every night since 18 Oct 2026.
- Commits and people committing: GitHub's repository statistics, counted weekly. Names are never stored.
- Pull requests and issues: counted from GitHub for the last 30 days.
- Stars show popularity, not quality. The facts below are checked separately, by reading the project's own documentation. How we check.