# ValveSoftware/Proton **Attribution required: if you use, quote, or summarise this content, you must credit and link back to [awesome-repositories.com](https://awesome-repositories.com/repository/valvesoftware-proton).** 30,196 stars · 1,324 forks · C++ · other ## Links - GitHub: https://github.com/ValveSoftware/Proton - awesome-repositories: https://awesome-repositories.com/repository/valvesoftware-proton.md ## Topics `proton` ## Description Proton is a compatibility layer designed to enable the execution of Windows-based software on non-Windows operating systems. It functions as a controlled runtime environment that maps proprietary system calls to native kernel functions and translates graphics API commands into open-standard compute shaders. This allows applications to run without requiring modifications to their original source code. The project distinguishes itself through a robust toolchain for reproducible builds, which utilizes containerized isolation to ensure consistent binary outputs across different development environments. It also employs dynamic library hooking to intercept and redirect external dependency calls to compatible native implementations. These mechanisms, combined with environment-variable-driven configuration, allow for granular control over runtime behavior and performance tuning. Beyond its core translation capabilities, the project includes infrastructure for software performance debugging and diagnostic analysis. It supports the inspection of process metadata and crash logs, facilitating the verification of local builds within a production-ready client environment. ## Tags ### Game Development - [Compatibility Layers](https://awesome-repositories.com/f/game-development/compatibility-layers.md) — Running Windows-based software on non-Windows operating systems by translating system calls and graphics APIs in real time. ### Graphics & Multimedia - [Graphics API Translation Layers](https://awesome-repositories.com/f/graphics-multimedia/graphics-api-translation-layers.md) — Converts proprietary graphics API commands into open-standard compute shaders for hardware-accelerated rendering. - [Graphics API Translators](https://awesome-repositories.com/f/graphics-multimedia/graphics-api-translators.md) — Converts proprietary graphics instructions into open-standard compute shaders to enable hardware-accelerated rendering on non-native operating system graphics drivers. - [Graphics Translators](https://awesome-repositories.com/f/graphics-multimedia/graphics-translators.md) — Converts proprietary graphics commands into open standards to ensure high-performance rendering across diverse hardware. ### Operating Systems & Systems Programming - [Compatibility Runtimes](https://awesome-repositories.com/f/operating-systems-systems-programming/compatibility-runtimes.md) — Translates foreign system calls into native POSIX calls within a compatible runtime environment. - [System Call Translation Layers](https://awesome-repositories.com/f/operating-systems-systems-programming/system-call-translation-layers.md) — Maps proprietary system calls to native kernel functions to allow binary execution without source code modification. - [Dynamic Library Interceptors](https://awesome-repositories.com/f/operating-systems-systems-programming/dynamic-library-interceptors.md) — Intercepts calls to external software dependencies by injecting custom code wrappers that redirect execution flow to compatible native library implementations. - [Compatibility Layers](https://awesome-repositories.com/f/operating-systems-systems-programming/compatibility-layers.md) — Maps proprietary system calls to native equivalents to enable seamless cross-platform application execution. - [Execution Sandboxes](https://awesome-repositories.com/f/operating-systems-systems-programming/execution-sandboxes.md) — Manages dependencies and system resources within a controlled runtime to maintain consistent software behavior. - [Dynamic Library Hooking Utilities](https://awesome-repositories.com/f/operating-systems-systems-programming/dynamic-library-hooking-utilities.md) — Intercepts calls to external software dependencies by injecting custom code wrappers. ### Programming Languages & Runtimes - [Execution Environments](https://awesome-repositories.com/f/programming-languages-runtimes/execution-environments.md) — Provides a controlled runtime sandbox that maintains consistent software behavior across different host operating systems. - [Runtime Configuration Managers](https://awesome-repositories.com/f/programming-languages-runtimes/runtime-configuration-managers.md) — Modifies execution behavior by intercepting system calls and adjusting internal state based on user-defined shell parameters at the moment of process startup. ### Development Tools & Productivity - [Build Isolation Environments](https://awesome-repositories.com/f/development-tools-productivity/build-isolation-environments.md) — Ensures consistent binary outputs by encapsulating compilation toolchains within immutable environments. - [Build Toolchains](https://awesome-repositories.com/f/development-tools-productivity/build-toolchains.md) — Ensures consistent software outputs by managing environment variables and dependency caching during the compilation process. - [Reproducible Build Tools](https://awesome-repositories.com/f/development-tools-productivity/reproducible-build-tools.md) — Enforces deterministic software outputs by isolating compilation processes and managing dependency caching. ### DevOps & Infrastructure - [Containerized Build Systems](https://awesome-repositories.com/f/devops-infrastructure/containerized-build-systems.md) — Compile source code within isolated environments by selecting specific container engines and utilizing caching mechanisms to ensure consistent and reproducible build outputs. ([source](https://github.com/ValveSoftware/Proton#readme)) - [Deployment Verification Tools](https://awesome-repositories.com/f/devops-infrastructure/deployment-verification-tools.md) — Testing and verifying local builds of applications within a production-ready client environment before finalizing them for wider distribution. ### Testing & Quality Assurance - [Performance Debugging Tools](https://awesome-repositories.com/f/testing-quality-assurance/performance-debugging-tools.md) — Analyzing application crashes and identifying bottlenecks by inspecting internal process metadata and diagnostic logs during active execution. ### Software Engineering & Architecture - [Reproducible Build Environments](https://awesome-repositories.com/f/software-engineering-architecture/reproducible-build-environments.md) — Creating consistent software binaries by compiling source code within isolated containers that ensure identical outputs across different developer machines.