Browse free open source Benchmark software and projects below. Use the toggles on the left to filter open source Benchmark software by OS, license, language, programming language, and project status.

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  • 1
    CrystalDiskMark

    CrystalDiskMark

    A simple disk benchmark software

    A simple disk benchmark software.
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    Downloads: 104,514 This Week
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  • 2
    CrystalMark Retro

    CrystalMark Retro

    CrystalMark Retro is a comprehensive benchmarking software.

    CrystalMark Retro is a comprehensive benchmarking software that runs on Windows 95 and Windows NT 3.51 or later. It supports 32-bit (x86), 64-bit (x64/ARM64), many-core, and multilingual (48+ languages) systems, and can measure CPU, Disk, 2D graphics (GDI), and 3D graphics (OpenGL) performance with a single click. Benchmark results can be registered in CrystalMarkDB for centralized management of past results (account required: free of charge) and comparison with data registered by users around the world.
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    Downloads: 19,041 This Week
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  • 3
    CrystalMark 3D25

    CrystalMark 3D25

    A 3D benchmarking software.

    CrystalMark 3D25 is a 3D benchmarking software that allows you to easily measure 3D performance (GLSL/WebGL) with a single click. It was developed with the goal of showcasing the appeal of the demo scene to PC enthusiasts (benchmarkers) worldwide, featuring works provided by demo scene creators who support Japan’s demo scene.
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    Downloads: 5,428 This Week
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  • 4
    lmbench is a suite of simple, portable, ANSI/C microbenchmarks for UNIX/POSIX. In general, it measures two key features: latency and bandwidth. lmbench is intended to give system developers insight into basic costs of key operations.
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    Downloads: 3,613 This Week
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  • Paessler: Easy to Use With Enterprise Power. Free Trial Icon
    Paessler: Easy to Use With Enterprise Power. Free Trial

    A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.

    You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.
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  • 5
    nmon for Linux

    nmon for Linux

    Linux performance monitoring on-screen or to CSV file

    nmon is short for Nigel's Performance Monitor It either shows you the stats on-screen updating once a second or saves the data to a CSV file for later analysis and graphing. For details see the homepage ==> http://nmon.sourceforge.net Please use the latest version. The new version "njmon" outputs JSON format that a lot of tools use these days. It integrates well with saving data directly to InfluxDB and graphing with Grafana.
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    Downloads: 635 This Week
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  • 6
    pdfcrack is a command line, password recovery tool for PDF-files.
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    Downloads: 477 This Week
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  • 7
    Iometer
    I/O performance Analysis Tool
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    Downloads: 337 This Week
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  • 8
    Portable, fully-threaded I/O benchmark program
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    Downloads: 1,177 This Week
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  • 9
    BRL-CAD

    BRL-CAD

    Open Source Solid Modeling CAD

    BRL-CAD is a powerful cross-platform constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing for rendering & geometric analyses, network distributed framebuffer support, image & signal-processing tools.
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    Downloads: 170 This Week
    Last Update:
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  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
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  • 10
    IPerf3-Windows

    IPerf3-Windows

    IPerf3 startup program for windows with GUI

    This is an iperf3 for windows GUI startup program, no need to install. Just run it directly. Supports two startup services: iperf3 server and client.
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    Downloads: 464 This Week
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  • 11
    JDiskMark

    JDiskMark

    Java Disk Benchmark Utility

    JDiskMark is a powerful and versatile disk benchmarking tool written in Java, designed to help measure the performance and health of your storage drives. Whether you're testing HDDs, SSDs, or network locations, JDiskMark provides reliable insights into your disk's read and write speeds. ubuntu: https://sourceforge.net/projects/jdiskmark/files/0.9.0/jdiskmark_0.9.0_amd64.deb/download rhel/fedora: https://sourceforge.net/projects/jdiskmark/files/0.9.0/jdiskmark-0.9.0-1.x86_64.rpm/download macos: https://sourceforge.net/projects/jdiskmark/files/0.9.0/jdiskmark-0.9.0.pkg/download windows: https://sourceforge.net/projects/jdiskmark/files/0.9.0/jdiskmark-0.9.0.msi/download ZIP releases require java to be installed separately: * 0.6.3-current > jdk25 * 0.5.0-0.6.2 >jdk21 * 0.1-0.4 > Jdk8
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    Downloads: 135 This Week
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  • 12

    collectl

    This is now also available here github.com/sharkcz/collectl.git

    Collectl is a light-weight performance monitoring tool capable of reporting interactively as well as logging to disk. It reports statistics on cpu, disk, infiniband, lustre, memory, network, nfs, process, quadrics, slabs and more in easy to read format.
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    Downloads: 176 This Week
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  • 13
    Phoronix Test Suite

    Phoronix Test Suite

    Open-Source, Automated Benchmarking

    The Phoronix Test Suite is the most comprehensive testing and benchmarking platform available that provides an extensible framework for which new tests can be easily added. The Phoronix Test Suite is designed to effectively carry out both benchmarks in a clean, reproducible, and easy-to-use manner.
    Downloads: 13 This Week
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  • 14
    FurMark

    FurMark

    GPU stress test OpenGL and Vulkan graphics benchmark Windows/Linux

    FurMark is an intensive benchmarking tool designed to evaluate the performance of graphics cards using fur rendering algorithms. This tool is particularly effective in generating high workloads that can significantly increase the temperature of the GPU, making it a useful utility for testing the stability and stress tolerance of graphics cards. By simulating demanding rendering tasks, FurMark serves as a comprehensive test for assessing the robustness and thermal performance of GPUs under extreme conditions. FurMark from Geeks3D is a free OpenGL benchmark tool for Windows that can also be used to check the stability of a graphics card thanks to a built-in stress test. FurMark rendering is designed to overheat the GPU making it a viral-like stability and stress test tool (also called GPU burner) for the graphics card.
    Downloads: 309 This Week
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  • 15
    NiceHash Miner

    NiceHash Miner

    NiceHash easy to use CPU & GPU miner

    NiceHash Miner is an easy to use CPU & GPU cryptocurrency miner for Windows. With a simple an intuitive graphical user interface it allows you to quickly turn your PC, workstation or server into money-making cryptocurrency mining machine. Why leave your computer idle, whereas it could earn you Bitcoins with just a few clicks? NiceHash Miner is essentially the only tool a miner needs. No need to go through tons of configuration files, various mining software versions, configuration tuning or cryptocurrency coins market analysis. Auto-tuning for best performance and efficiency, automatic selection and runtime automatic switching to most profitable cryptocurrency algorithm are all integrated into NiceHash Miner and will enable you seamless, joyful and profitable mining experience.
    Downloads: 10 This Week
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  • 16
    In 2015, we converted cBench to open Collective Knowledge Format (CK) and moved it here: http://github.com/ctuning/ctuning-programs CK allows you to simplify compilation and execution of these benchmarks across multiple platforms (Windows, Linux, MacOS, Android ...). Collective Benchmark (cBench) is a collection/extension of open-source programs and multiple datasets to enable realistic benchmarking and research on program and architecture optimization.
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    Downloads: 244 This Week
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  • 17
    An easy to use JDBC benchmark that closely resembles the TPC-C standard for OLTP. RDBMS's presently supported include PostgreSQL, EnterpriseDB and Oracle.
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    Downloads: 65 This Week
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  • 18
    Superposition Benchmark (Unigine)

    Superposition Benchmark (Unigine)

    GPU benchmark testing graphics performance with realistic 3D scenes.

    Superposition Benchmark by Unigine is a powerful GPU stress-testing and benchmarking tool designed to evaluate graphics performance using the Unigine 2 Engine. It features advanced visuals, real-time lighting, and physics simulations to test DirectX and OpenGL performance. Superposition provides detailed results, including frame rates, GPU temperatures, and stability data. It supports VR mode and 4K to 8K resolutions. Widely used by gamers and hardware reviewers, it is proprietary but offers a free edition.
    Downloads: 212 This Week
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  • 19
    Disk Speed Test

    Disk Speed Test

    Lightweight disk benchmark - a modern alternative to CrystalDiskMark

    Disk Speed Test is a lightweight storage benchmark for Windows, built as a modern alternative to CrystalDiskMark. It measures sequential and random read/write speed, IOPS and latency for SSDs, NVMe drives, hard disks, USB sticks, SD cards and network drives. Unlike CrystalDiskMark, which runs Microsoft's DiskSpd tool for each test, Disk Speed Test has its own native I/O engine written in Rust. Everything ships as a single small executable with no installer and no external tools. It uses unbuffered, overlapped I/O, so results reflect the drive itself rather than the Windows file cache. It offers the familiar tests (SEQ1M Q8T1, SEQ1M Q1T1, RND4K Q32T1, RND4K Q1T1) and profiles, plus things CrystalDiskMark doesn't show: a live throughput graph, latency percentiles (p50 to p99.99), per-run results and an optional mixed read/write test. Results can be copied or saved as text in the familiar CrystalDiskMark layout.
    Downloads: 182 This Week
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  • 20
    Prime95

    Prime95

    Precision CPU stress testing and benchmarking

    Prime95 is a popular software tool used primarily for stress testing and benchmarking computer processors by running intense calculations based on the Mersenne prime search algorithm. This rigorous testing helps users gauge system stability and detect potential issues, particularly useful for overclockers, hardware testers, and enthusiasts aiming for optimal CPU performance.
    Downloads: 101 This Week
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  • 21
    This benchmark suite is intend as a tool for the research community. It consists of a set of open source, real world applications with non-trivial memory loads.
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    Downloads: 173 This Week
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  • 22
    MSI Kombustor

    MSI Kombustor

    Advanced OpenGL and Vulkan graphics card stress testing utility

    MSI Kombustor is a dedicated GPU stress-testing and benchmarking tool built on top of the popular FurMark engine. It is designed to push graphics cards to their thermal and stability limits, helping users verify cooling performance and overclocking reliability. With support for advanced 3D APIs like OpenGL and Vulkan, Kombustor can generate demanding rendering workloads that simulate real-world GPU pressure. The tool provides MSI users with an exclusive, streamlined interface for testing their hardware safely and effectively. By driving high temperatures and peak loads, it reveals whether a graphics card can sustain extended heavy usage. Kombustor is ideal for anyone looking to test, validate, or tune their GPU setup.
    Downloads: 86 This Week
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  • 23
    NetIO-GUI

    NetIO-GUI

    NetIO-GUI measures network speed between two peers

    NetIO-GUI is a Windows frontend for the multiplatform commandline utility 'netio'. It measures ICMP respond times and network transfer rates for different packet sizes and protocols. All results are stored in a SQLite database file and can easily be compared. NetIO-GUI is preferred to rate the quality of peer-to-peer connections like VPN. Download as portable 7-Zip or as setup file. Source code available at https://codeberg.org/elpatron/NetIO-UI/
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    Downloads: 40 This Week
    Last Update:
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  • 24
    System Stability Tester
    System Stability Tester is a multi platform open source clone of SuperPI and comes with a GUI and a CLI. It can be used for CPU and RAM burning, stressing and benchmarking.
    Downloads: 22 This Week
    Last Update:
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  • 25
    FFT-z
    Fast Fourier Transforms (FFT) for Multi-CPU (and RAM) Stress Testing. Shows detailed information about physical and logical processors in the system. Included CPU Benchmark feature for speed testing. Automatically utilizes and tests all CPU cores.
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    Downloads: 26 This Week
    Last Update:
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