EpicGames

    EpicGames/raddebugger

    #79 this week

    A native, user-mode, multi-process, graphical debugger.

    8.5K stars
    415 forks
    8.5K GitHub watchers
    Updated Oct 15, 2026
    View on GitHub

    Build with Backblaze B2

    SDKs, agent skills, IDE extensions, and reference pipelines from Backblaze Labs. All open source.

    Explore Backblaze Labs

    Loading star history...

    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    Ranks #79 of 2,845 repositories GStars tracks this week (top 3%).

    2 releases in the last 90 days, the latest 14 days ago, with 20 contributors on GitHub.

    Peaked at #67 in the weekly ranking the week of Oct 4, its best in the past year.

    Use Cases & Benefits

    • Implements a native, user-mode, multi-process graphical debugger primarily for local Windows x64 debugging with PDB support.
    • Offers a custom RAD Debug Info format and a high-performance linker optimized for huge projects, improving debug info handling and link times.
    • Use for debugging large-scale Windows x64 applications with complex debug info and multi-process control.
    • Use for accelerating linking of gigantic PE/COFF binaries in massive C/C++ projects with MSVC-compatible command line.
    • Use for developing and testing new debugging features or toolchain improvements with an open-source, extensible debugger and linker stack.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    MIT

    Permissive: commercial use, modification and redistribution are allowed with attribution.

    Community files

    • README: present

    Watch-outs

    No watch-outs from GStars' checks.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    NOTE: This README does not document usage instructions and tips for the debugger itself, and is intended as a technical overview of the project. The debugger's README, which includes usage instructions and tips, can be found packaged along with debugger releases, or within the build folder after a local copy has been built. You can find pre-built release binaries here.

    The RAD Debugger is a native, user-mode, multi-process, graphical debugger. It currently only supports local-machine Windows x64 debugging with PDBs, with plans to expand and port in the future. In the future we'll expand to also support native Linux debugging and DWARF debug info.

    The debugger is currently in ALPHA. In order to get the debugger bullet-proof, it'd greatly help out if you submitted the issues you find here, along with any information you can gather, like dump files (along with the build you used), instructions to reproduce, test executables, and so on.

    In addition to the debugger, we aim to further improve the toolchain with two additional related technologies: (1) the RAD Debug Info (RDI) format, and (2) the RAD Linker.

    The RAD Debug Info (RDI) format is our custom debug information format, which the debugger parses and uses, rather than the debug information natively produced by toolchains, like PDB or DWARF. To work with these existing toolchains, we convert PDB (and eventually PE/ELF files with embedded DWARF) into the RDI format on-demand.

    Excerpt from the EpicGames/raddebugger README on GitHub (MIT license). © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Oct 8: +265Oct 9: +187Oct 10: +77Oct 11: +63Oct 12: +34Oct 15: +53

    +747 stars over 8 days across 8 snapshot days; best day +265 on Oct 8.

    Forks

    415+34

    Open issues

    328+13

    Compared with peers in Developer Tools

    Fastest-growing repositories GStars tracks in this cohort for the week of Oct 11, by 7-day star growth

    EpicGames/raddebugger compared with Developer Tools repositories by stars, 7-day star growth, health score and last release
    RepositoryStars+7dHealthLast release
    DietrichGebert/ponytail173.5K+5.3K756 days ago
    OpenCut-app/OpenCut95.1K+1.7K5923 days ago
    michael-denyer/pstack-claude3.3K+92575today
    EpicGames/raddebugger8.5K+8147514 days ago
    superdesigndev/treg5.9K+71045—
    ShawnPana/phone-harness3.8K+522312 days ago
    Category median5.9K+92559—

    Also by EpicGames

    Other repositories from this maintainer that GStars tracks

    Discover Repositories

    Search across tracked repositories by name or description