Open-source alternatives to Pcm

cAdvisor is a container resource monitoring agent and performance analyzer that collects and exports CPU, memory, network, and disk usage statistics from running containers. It functions as a telemetry tool for discovering containers across various runtimes and serves as a Prometheus-compatible metrics exporter. The agent distinguishes itself by analyzing Linux control groups to provide visibility into resource consumption and limits. It utilizes kernel perf events and NUMA statistics for low-level hardware performance tracking and diagnostics, and it can identify out-of-memory kill events th

This project is a command-line interface client for the Speedtest.net service, designed as a network performance tool to measure internet download and upload speeds and ping. It functions as an internet speed measurement utility that calculates network throughput and latency to determine overall connection quality. The tool provides network diagnostics and benchmarking capabilities directly from the command line. It supports the export of connection metrics as plain text or structured data, allowing for automated network monitoring and the tracking of internet performance over time.

Speedtest-cli is a command-line utility designed to measure internet upload and download throughput by connecting to remote servers. It functions as a diagnostic tool for evaluating connection quality and verifying network performance against service provider claims. The utility identifies testing endpoints by calculating the physical distance between the client and available servers, ensuring measurements are based on responsive nodes. It manages the testing lifecycle by coordinating with remote services to fetch server lists and register results, which can be exported into machine-readable

LiteMonitor is a customizable desktop system dashboard and hardware performance monitor. It provides a visual overlay for tracking real-time CPU, GPU, memory, and network metrics, including temperature and power consumption. The application is an extensible system monitor that uses a modular plugin system to integrate third-party data sources, such as weather, stocks, and cryptocurrency, alongside core hardware telemetry. The tool includes a theme engine for adjusting colors, fonts, and layout, as well as window management controls for transparency and click-through behavior. It supports sys

Linux-dash is a web-based system monitoring dashboard for Linux environments. It provides a visual interface for tracking hardware performance, system load, and real-time resource utilization. The project includes dedicated monitors for tracking the performance and resource usage of virtualized containers alongside a process manager for analyzing active system processes across the operating system. The dashboard covers several observability areas, including hardware performance monitoring for CPU and RAM, storage metrics for disk and swap space, and high-level system status overviews encompa

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

Conky is a system monitoring application used to create custom desktop widgets that visualize real-time hardware performance and system metrics. It renders data such as CPU, memory, disk, and network usage directly onto the desktop environment as transparent overlays. The project extends its core monitoring capabilities through external data integration, allowing it to fetch information from remote APIs and mail servers. It also includes dedicated tracking for media playback status and current track information from music players. Users can personalize these displays using text, graphs, and

Bashtop is a terminal-based system monitor and resource dashboard for Unix systems, including Linux, macOS, and FreeBSD. It provides a text-user interface for tracking real-time hardware performance and managing system processes. The tool functions as a hardware dashboard that visualizes processor, memory, disk, and network usage. It includes process management capabilities that allow users to filter, sort, and terminate active system tasks directly from the command line. Users can customize the visual appearance and behavior of the monitor through integrated menus or local configuration fil

SwanLab is an open-source machine learning experiment tracking platform and observability tool. It provides a centralized dashboard for logging training metrics, hyperparameters, and hardware performance to monitor and analyze AI model training runs. The platform is distinguished by its focus on self-hosted infrastructure, allowing users to deploy private instances via Docker or Kubernetes for secure on-premises data control. It also includes specialized utilities for migrating historical experiment logs and synchronizing real-time metrics from external tools like MLflow. The system covers a

G-helper is a system utility designed for the management and optimization of ASUS laptop hardware. It functions as a background service that interfaces directly with kernel-level drivers and ACPI tables to provide granular control over device performance, thermal profiles, and power states. The utility distinguishes itself by offering automated firmware orchestration, which handles the retrieval and verification of manufacturer-signed updates to maintain system stability. It also provides specialized hardware control, including the ability to toggle between integrated and dedicated graphics m

Stats is a system performance monitor that tracks real-time hardware metrics and resource usage directly from the operating system menu bar. It functions as a hardware control interface, allowing users to adjust fan speeds and thermal settings to maintain optimal performance levels for computing hardware. The application distinguishes itself through kernel-level sensor polling, which retrieves telemetry by interfacing directly with low-level system drivers and power management APIs. It provides remote infrastructure oversight via a web-based telemetry dashboard, enabling users to view live pe

nix is a Unix system API library and Rust system programming interface that provides type-safe bindings for invoking low-level system calls. It serves as a low-level operating system wrapper and POSIX compatibility layer, allowing for kernel interactions and administrative tasks through safe wrappers around platform-specific APIs. The project provides a kernel device interface for controlling hardware devices, managing kernel modules, and configuring terminal interfaces. It differentiates itself by offering type-safe wrappers for memory mapping and zero-copy input-output operations to reduce

OpenRazer is an open source driver and daemon for controlling Razer peripheral lighting and hardware settings on GNU/Linux. It functions as a Linux input device manager and RGB peripheral controller, providing a background service that handles raw USB communication and state monitoring for compatible gaming mice and keyboards. The project provides a D-Bus hardware interface that exposes device control functions to third party applications via a system message bus. This communication layer allows scripts and external software to manage physical hardware components through a programmatic interf

earlyoom is a Linux OOM killer daemon that monitors system memory and terminates processes to prevent system freezes. It acts as a memory resource monitor and process termination manager, tracking available RAM and swap space to ensure the operating system remains responsive. The project distinguishes itself by selecting termination targets based on the largest resident set size rather than relying solely on kernel OOM scores. It provides granular control through regular expression-based process filtering to protect specific applications and can terminate entire process groups to ensure compl

pcileech is a toolkit for executing DMA attacks, analyzing PCIe bus traffic, performing kernel patching, and conducting remote volatile memory forensics. It functions as a hardware memory acquisition tool and a PCIe DMA attack framework designed to read and write remote system memory via direct hardware interfaces. The project provides capabilities for capturing and displaying raw transaction layer packets from the PCIe bus and mounting live RAM as local drives for analysis. It enables the modification of system memory signatures and the execution of shellcode or implants within the kernel wi

MemReduct is a Windows memory management tool designed to monitor RAM usage and free up physical memory. It functions as a system cache cleaner that flushes working sets, registry caches, modified file caches, and standby lists to reduce overall memory consumption. The project operates as an automated memory optimizer, utilizing a background service to trigger cleaning routines based on predefined timeouts or resource thresholds. It includes a real-time monitoring dashboard to track system memory and pagefile statistics and provides a command-line interface for executing memory reduction task

360Controller is a macOS system extension and driver that enables wired Xbox 360, Xbox One, and original Xbox controllers to function as standard gamepad inputs. It maps hardware identifiers to system inputs to provide compatibility for these specific game controllers on macOS. The driver includes support for haptic force feedback and the management of integrated LED indicators on compatible hardware. It also provides a mechanism for third-party gamepad integration, allowing users to manually register unsupported controllers by specifying vendor and product identifiers. The project encompass

ANE is an open-source framework for training neural networks directly on Apple's Neural Engine hardware, bypassing Apple's public Core ML toolchain through reverse-engineered private APIs. It provides low-level control over the ANE, enabling developers to compile custom compute graphs into binary kernels, partition transformer model layers into hardware-compatible subgraphs, and share GPU-allocated memory with the Neural Engine via zero-copy IOSurface buffers. The framework distinguishes itself by offering direct access to hardware performance counters and power telemetry for benchmarking thr

xmr-stak is blockchain mining software designed to secure decentralized ledgers by calculating hashes to earn rewards. It functions as a cryptocurrency miner supporting the RandomX algorithm for Monero and various versions of the CryptoNight algorithm across CPUs and GPUs. The software includes a web-based monitoring dashboard that allows for the tracking of real-time performance metrics and mining status through a browser interface. It also features a multi-pool failover mechanism to maintain continuous operation by managing connections between primary and backup mining pools. Operational c

iperf is IP network measurement software designed to quantify data transfer rates and network stability. It functions as a network performance benchmarking tool that tests capacity and throughput between two hosts to identify bottlenecks and performance limits. The tool specifically measures maximum bandwidth and packet loss over IP networks using TCP and UDP protocols. It also serves as a network data exporter, outputting performance results in JSON format for programmatic analysis and integration. The software covers a range of capabilities including network throughput analysis and traffic

This project is a collection of reference implementations and technical guides for building high-performance 3D applications and graphics experiments on Windows. It provides a library of samples covering the implementation of GPU compute frameworks, raytracing reference models, and shader optimization techniques. The repository includes specific demonstrations for modeling physical light behavior to create reflections and lighting effects, as well as tools for analyzing memory dumps and tracking real-time execution metrics on graphics hardware. It further provides guidance on managing shader

This project is a cryptographic mining protocol that establishes a distributed compute network for solving complex mathematical tasks. It functions as a decentralized infrastructure where registered mining nodes participate in proof of work mining to solve network problems in exchange for rewards. The system specializes in quantum-inspired problem solving by mapping tasks into Ising mathematical structures. These problems are processed using a hardware-agnostic computation model, allowing solvers to execute tasks across CPU, GPU, or quantum processing units. The protocol includes tools for m

The Linux kernel is a monolithic operating system core that manages hardware resources, memory, and process scheduling across diverse computing architectures. It provides a standardized, POSIX-compliant environment for application execution while maintaining a modular driver framework that allows for the dynamic loading and removal of hardware interfaces. The project is distinguished by its high-performance concurrency toolkit, which utilizes lockless synchronization primitives and read-copy-update mechanisms to manage shared data access in multi-core environments. It incorporates a comprehen

Tasmota is a universal firmware platform for ESP8266 and ESP32 microcontrollers, designed to provide local control and management of smart home hardware. It functions as an event-driven automation controller that replaces proprietary factory firmware, allowing users to manage relays, sensors, and lighting systems without relying on external cloud services. The system is built on a modular driver architecture that enables dynamic hardware configuration and peripheral support through a web-based management interface. The platform distinguishes itself through a template-driven hardware mapping s

Criterion is a statistics-driven microbenchmarking library and performance regression tool for Rust. It provides a framework for isolating and measuring small code segments, using statistical analysis to eliminate noise and ensure reliable, repeatable measurements of execution speed. The tool distinguishes itself through a performance visualization suite that generates HTML reports and graphs to track performance trends and throughput. It includes a system for comparing current execution times against stored baselines to identify and prevent performance drops. The library covers asynchronous

AISystem is a comprehensive AI full-stack infrastructure project covering the entire pipeline from AI chip architecture to high-level training frameworks. It encompasses the development of AI compiler frameworks, inference engines, and distributed training orchestrators designed to coordinate workloads across a heterogeneous compute stack of CPUs, GPUs, and NPUs. The project focuses on the deep integration of software and hardware, employing software-hardware co-design to align tensor layouts with physical memory structures. It provides specialized capabilities for accelerating Transformer mo