The Online Tone Generator generates pure tones of any frequency in a web browser. It supports adjusting frequency, changing wave type, and mixing tones across browser tabs, and lists uses such as tuning instruments, testing audio equipment, and testing hearing.
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A page for checking a vehicle identification number's characters and check digit, explaining the step-by-step check, reading the model year, and offering sample VINs for testing forms. It describes how a VIN is built, letter values, model year codes, and includes PHP check code.
DriftGuard is a browser-based dashboard for testing and tuning gamepads. It offers drift checks, stick visualization and calibration tools, along with stick, trigger and range calibration, live input display, rumble settings and audio tests. Supported options include selecting target sticks or triggers and saving or restoring calibration.
ReCAPTCHA Demo is related to CAPTCHA testing, solving, demos, or browser tools for verification pages.
Democaptcha is related to CAPTCHA testing, solving, demos, or browser tools for verification pages.
Mangools is a suite of SEO tools for keyword research, SERP analysis, rank tracking, backlink analysis and competitor research. Its tools include KWFinder, SERPChecker, SERPWatcher, LinkMiner and SiteProfiler, with a keyword database of over 2.5 billion keywords. Rank tracking is weekly, with daily tracking on the Agency plan.
Manuskript is an open-source writing tool for writers. It offers an outliner for organizing thoughts hierarchically, a distraction-free mode with word-count or time goals, and a novel assistant that uses the snowflake method. It includes tools for characters, plots and world-building. The page states the software is still in development and in need of extensive testing.
reCAPTCHA test is related to CAPTCHA testing, solving, demos, or browser tools for verification pages.
manage is related to CAPTCHA testing, solving, demos, or browser tools for verification pages.
Untap.in is a free, browser-based table for play-testing trading card game decks. Users can build decks from card databases, import decklists, play live against opponents, goldfish solo, run drafts, and spectate matches. It runs on desktop, tablet, and phone without downloads and does not enforce game rules.
VsyncTester is a web-based tool for checking browser VSYNC synchronization, display refresh rate, and input lag. The site also links to related test tools, including a display Hz tester and a GPU memory usage tool, and to pages documenting VSYNC issues in Chrome.
Firefox VPN helps find, check, or use proxy services for alternate web access and privacy testing.
quidam is an online tool that helps users work with usernames, digital identities, or related information for research and testing.
snoop is an online tool that helps users work with usernames, digital identities, or related information for research and testing.
TestFlight lets users install and test beta versions of apps and App Clips after accepting an email or public link invitation from a developer. Each build is available for testing for up to 90 days, and developers can set device or OS criteria for their beta.
TestFlight is Apple's app for testing beta versions of apps and App Clips. Testers need an email or public link invitation from the developer and a compatible device. Each build is available for up to 90 days from upload, and TestFlight notifies testers when a new build is available.
AirVPN helps find, check, or use proxy services for alternate web access and privacy testing.
AltTextLab is an AI-powered alt text generator for images. It produces descriptions in 130+ languages and integrates with WordPress, Shopify, Webflow, and 20+ tools, also offering a web snippet and REST API. It provides 25 free credits monthly with no credit card required.
A community-driven curated list of Go frameworks, libraries and software, inspired by awesome-python. Its contents index categories including actor models, artificial intelligence, authentication, blockchain, build automation, command line tools, databases, distributed systems, game development, networking, testing and web frameworks, with contribution guidelines for suggesting changes.
Blink is a GitHub-hosted open source project that implements a minimal x86-64 Linux emulator, also referred to as Blinkenlights. The repository includes documentation for getting started with the emulator, alternative build options, and testing procedures.
BrightLocal is a local SEO software platform with tools described as helping users monitor, audit and improve local SEO. Its stated functions include tracking local rankings, auditing citations, auditing local SEO, and managing and building business listings. A 14-day free trial is offered.
PrivacyTests.org is an open-source privacy audit that subjects major web browsers to automated tests. It covers desktop browsers, private modes, iOS and Android browsers, and nightly builds, and reports results across privacy test categories.
Browser Tamer helps compare, test, package, or manage web browsers and browser-based apps.
BrowserBench.org hosts browser benchmarks. Speedometer measures the responsiveness of web applications and is maintained by major browser engine developers under an open governance model. JetStream 3.0 is a JavaScript and WebAssembly benchmark suite focused on advanced web applications. MotionMark tests browser graphics systems.