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Bean Network Tester v0.8.0
Bean Network Tester v0.8.0 👉 Simulate slow, unreliable, or broken network conditions on Windows to test how applications respond. Bean Network Tester is a free and open-source network testing and emulation tool for Windows designed for software testers, developers, QA professionals, and power users. It deliberately introduces poor network conditions such as latency, jitter, packet loss, bandwidth restrictions, connection resets, outages, and other problems so you can see how an application behaves when its connection is less than perfect. Traffic can be targeted by process name, PID, IP address, port, or address family, allowing one application to be tested without necessarily disrupting the rest of the computer. The program uses the WinDivert driver to intercept and manipulate network traffic and provides both a graphical interface and a command-line interface suitable for scripts and CI/CD testing. Along with network impairment, it includes live statistics, throughput monitoring, a searchable connections table, event logging, configurable profiles and presets, reproducible seeded tests, CSV exports, and reproduction reports. Bean Network Tester is portable, requires administrator privileges to manipulate network traffic, and contains no telemetry or update-checking network client. It is released under the GNU General Public License v3.0. Features: • Add fixed or random network latency and jitter • Introduce latency spikes to simulate unstable connections and packet reordering • Drop packets randomly or in bursts to reproduce real-world wireless network failures • Corrupt or duplicate packets • Limit download and upload bandwidth in KB/s • Simulate network buffering and queuing delays • Tear down existing TCP connections using TCP resets • Prevent new connections from being established • Simulate a completely dead network link • Flap the connection on and off to reproduce intermittent outages • Simulate MTU black holes and NAT-style idle timeouts • Block selected IP addresses or ports with the built-in firewall controls • LAN mode allows local network traffic while blocking Internet access • Internet-only mode blocks ...
5/5 123 Oct 08, 2026
DonislawDev
DNS Hop v2.4
DNS Hop v2.4 👉 Benchmark and compare DNS providers to find the fastest and most reliable DNS for your network. DNS Hop is an open-source Windows utility designed to test and compare the performance of DNS services from multiple providers. By benchmarking thousands of available DNS endpoints, it helps users determine which DNS servers provide the fastest and most reliable performance for their specific network conditions. DNS Hop simplifies what can otherwise be a confusing process. Instead of manually trying different DNS providers and guessing which one performs best, the program runs automated tests against a large list of DNS servers and ranks them based on response time and reliability. Results are presented in an easy-to-read leaderboard, allowing users to quickly identify the best options. The application also provides recommendations based on the test results. Users can choose to manually apply these DNS settings or let DNS Hop configure them directly from within the program. This makes it easy to optimize DNS performance and potentially improve browsing speed and reliability. DNS Hop also allows exporting benchmark results for further analysis or record-keeping. Data can be exported as CSV or JSON files, and the performance chart can be copied as an image for sharing or documentation. Features: • Benchmarks thousands of DNS providers to measure performance • Ranks DNS servers by speed and reliability • Displays results in a clear leaderboard format • Provides recommendations for primary and secondary DNS servers • Allows direct DNS configuration from within the application • Export benchmark results as CSV or JSON files • Copy performance charts as PNG images • Lightweight open-source utility for DNS testing and optimization Supported operating systems: • Windows 10, Windows 11 Supported languages: English, German, French, Russian and Simplified Chinese, auto-detected from your OS UI language on first launch. Changes: v2.4 06-20-26 New resolvers and encrypted protocols NordVPN (Nord Threat Protection) public encrypted DNS, in three ...
5/5 795 Jul 20, 2026
center2055
EntropyVerify v1.0.0
EntropyVerify v1.0.0 👉 Portable, high-performance storage validation utility for verifying drive capacity and integrity. EntropyVerify is an open source, cross-platform storage validation utility written in Rust. Designed as a modern alternative to H2testw, it verifies the true capacity and integrity of storage devices by writing hardware-accelerated, incompressible AES-CTR data and validating it using BLAKE3 block checksums. The program is optimized for modern high-speed NVMe SSDs while remaining compatible with virtually any storage device. It features a real-time terminal dashboard, detailed verification reports, built-in safeguards to prevent accidental testing of system drives, and configurable command-line options for advanced users. Features: • Verifies the true capacity and integrity of storage devices. • High-performance asynchronous I/O for Windows and Linux. • Hardware-accelerated AES-128-CTR data generation. • BLAKE3 block-level integrity verification. • Real-time terminal dashboard with throughput graphs, progress bars, and ETA. • Automatically detects CPU topology and assigns worker threads to physical cores. • Built-in safety checks to prevent overwriting system drives and protected mount points. • Supports write-only and verify-only testing modes. • Generates detailed Markdown verification reports. • Automatically removes test files after a successful validation pass while retaining failed data for analysis. • Interactive controls for pausing, resuming, changing displayed units, and aborting tests. Supported operating systems: • Windows 10, Windows 11 Supported languages: • English Changes: v1.0.0 06-23-26 • Initial public release. • Introduced high-performance storage validation with asynchronous I/O. • Added hardware-accelerated AES-CTR data generation and BLAKE3 verification. • Added interactive terminal dashboard, Markdown reporting, and built-in safety protections. Click here to visit the author's website.
5/5 474 Jun 23, 2026
blamie
ZIP IsMyMemoryOK v1.33
IsMyMemoryOK v1.33 👉 Quick and reliable RAM testing tool for Windows systems. IsMyMemoryOK is a lightweight memory diagnostics utility designed to test the stability and performance of DDR3, DDR4, DDR5, and DDR6 RAM modules on Windows PCs. The program allows users to quickly check for memory errors, instability, or hardware issues that can cause crashes, freezes, and blue screens. Its portable design means no installation is required, making it useful for technicians, troubleshooting, and system diagnostics on both older and modern Windows systems. Features: • Fast RAM stability and stress testing • Supports DDR3, DDR4, DDR5, and DDR6 memory • Portable application with no installation required • Adjustable test duration and memory load • Quick benchmark and diagnostic functions • Helps identify defective or unstable RAM • Simple and lightweight user interface • Optional screenshot functionality • Low CPU overhead during testing • Suitable for technicians and troubleshooting tasks Supported operating systems: • Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11, Windows Server 2016, Windows Server 2019 Supported languages: English, German, French, Spanish, Italian, Portuguese, Dutch, Polish, Czech, Slovak, Hungarian, Romanian, Bulgarian, Greek, Russian, Ukrainian, Turkish, Chinese, Japanese, Korean, Arabic Changes: v1.33 05-11-26 Minor adjustments to the IsMyMemoryOK memory test application for all Windows operating systems. Bug fix in the screenshot function. Improved system language translation. This download is for the Windows 64bit version (very bottom of page). If you need the Windows 32bit version, download here. Click here to visit the author's website.
5/5 1,332 May 15, 2026
Nenad Hrg
TCP Handshake Connection Tester v2.5.2.1
TCP Handshake Connection Tester v2.5.2.1 Check for completion of the standard TCP 3-way handshake and connection time between a local interface IP address and a target host. TCPConTest.exe also lets you check the selected network interface for IP packet errors. SHA-256: ea2ce65a7e6319fe586e298e8f16dbe457e7c156391019a18e0ec3da586fc060 Minimum system requirements Microsoft Windows 10ฎ 64-bit, Build 18363.1256 • .NET 5.0 Click here to visit the author's website.
5/5 3,943 Jul 17, 2021
Steve Chaison Software
   
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