There are a great many testing tools and website testing software available for free.
Here is a list of 85 free website testing software tools by category with links to the testing tool listing in the directory.
mouseflow – see your visitors mouse movements and where they click. This free plan allows up to 100 recorded sessions per month. Or sign up to our newsletter and receive a code for 500 free recordings.
UsabilityHub – have a free forever plan on their fast user testing software.
SessionCam – a free plan for 1 website and up to 50 session replays and 5,000 recordings per month.
Snowy Evening – an easy to use bug tracking system, has a free plan that supports 1 project.
Bugzilla – the software is free although you will need to install it on your own server.
BugLogHQ – a free and open source tool to centralize the handling of automated bug reports from multiple applications.
Airbrake – has a free plan for 1 project to capture and track your application’s exceptions.
Icecream Screen Recorder – a free tool that enables you to capture any area of your screen either as a screenshot or a video file.
Jing – a free software tool that enables you to capture basic video, animation, and still images.
Damn Bugs – a free uncomplicated hosted bug tracker for faster bug reporting.
Ginger – grammar and spell checker which offers unmatched accuracy, correcting all types of mistakes. Ginger Basic is free.
Hiconversion Pro – an always free account to Hiconversion’s customer experience optimization platform
SplitTester – a free tool to test your ads and how likely those ads are to have different long-term results.
Other split testing tools offer 30 day free trials but not a fully free plan.
W3C Validation Suite – allows you to check an entire website for validation issues. It is now open source, and therefore free.
Check My Colours – a free accessibility tool for checking foreground and background colour combinations of all elements.
W3C Markup Validation – the use of W3C’s markup validation tool is free.
W3C CSS Validation – the use of W3C’s CSS validation tool is free.
Wave – is a free website accessibility tool.
UITest.com – has links to a number of testing tools, the majority of which are free.
AChecker – checks against all the main guidelines and also validates your HTML and CSS.
Lynx Text Browser – the text web browser, popular with visually impaired users.
Thunder Screenreader – free screen reader software supporting blind and visually impaired computer users.
Colorblind Filter – checks how your website is viewed by users with different types of colour blindness.
UptimeRobot – monitors your websites (up to 50 of them) every 5 minutes and is totally free.
Site24x7 – their free monitoring plan allows up to 5 websites at 10 min poll interval.
SiteUptime – a website monitoring service that checks your website at regular intervals and notifies you via email or SMS if it becomes unavailable.
247webmonitoring – check up to 5 monitors every 15 minutes and receive uptime reports.
Webo Pulsar -WEBO Pulsar allows a webmaster or company to monitor uptime of their website and check load speed times.
StatusCake – has a Free forever plan for unlimited monitors with a 5 minute check rate.
Monitority – free monitoring service, checking your website each second from multiple locations – worldwide.
Binary Canary – free account allows you to monitor up to 5 https/httpss pages at 15 minute intervals.
Free Web Monitoring – providing web site monitoring to webmasters and site owners absolutely free.
ServiceUptime – free website monitoring includes one monitoring service (any port or service) checked every 30 or 60 minutes.
Browsershots – is a free service that gives you screenshots of any web address that you submit.
Spotbot – has a free plan and takes screenshots of your web page with iOS, Android, and desktop browsers.
Equafy – a free plan is available, which includes up to 2 hours of automated testing.
SOASTA CloudTest – provide their performance testing application CloudTest Lite Edition for free.
YSlow – is a free Firefox add-on that analyzes page load times.
Pagetest – is a free performance testing tool and includes tips for how to improve performance.
OctaGate SiteTimer – a free tool that calculates the time it takes a page to load.
Website Optimization – a free web-based tool, which calculates page load time, the composition of the page.
SEMRush – free reports for Google organic and AdWords competitors keywords research.
XML Sitemaps – is a free online sitemap generator that allows you to create XML sitemaps of up to 500 pages.
Website Grader – gives you a free marketing report of your web site including on-page SEO factors and off-page SEO factors.
Wordtracker – has a free keyword suggestion tool that generates up to 100 related keywords.
SEO Book Toolbar – register for a free account and gain access to the toolbar, a firefox extension that allows you to quickly see a range of market research data pulled in automatically.
SEO PowerSuite – a free edition for the most complete and affordable software package for search engine optimization.
Sortsite – has a free online trial available to test up to 10 pages. Checks a lot more than just broken links.
Qualidator – there is a free version of the software that allows 10 pages to be tested using 11 of the 32 tests available.
W3C Link Checker – a free link checker from W3C, which checks links and anchors in web pages or across full web sites.
REL Link Checker Lite – a free easy-to-use link checker tool to help you maintain the accuracy of links on your website.
Xenu’s Link Sleuth – free software that checks Web sites for broken links.
2bone Free Online Link Checker – a free online link checker, as simple as that.
W3C mobileOK Checker – a free checker that performs various tests on a Web Page to determine its level of mobile-friendliness.
TestFairy – an app distribution testing tool, which has a free plan available for up to 10 apps and 1,000 testers.
fastlane – is open source and connects all deployment tools into one streamlined workflow for iOS and Android.
Appium – is an open source, cross-platform test automation tool for native, hybrid and mobile web apps.
Genymotion – has a basic version, which is free. Genymotion is the next generation of the AndroVM open source project.
Clicky Web Analytics – has a free version allowing you to monitor, analyze, and react to your visitor traffic in real time.
iWebTrack – the first 100,000 page views are free.
Open Web Analytics – is just that, open source and so free.
Analytics Checkup – is a FREE tool to ensure you get the most out of Google Analytics.
Google Analytics – enterprise class web analytics software, for free.
GoingUp – first class web site analytics and seo tools for your website for free.
Woopra – basic plan is Basic free for non-commercial use and allows up to 30,000 actions per month.
Selenium – free automated testing tool.
TestLean – free plan allows up to 2,500 points (each test step execution is 1 point).
Robot Framework – an open source tool to provide a generic test automation framework for acceptance testing and acceptance test-driven development (ATDD)
SoapUI – a free and open source cross-platform Functional Testing solution from SmartBear.
BugBuster – automated testing and monitoring for Web applications. Free plan allows testing for 1 application and 3 tests.
Postman – build, test, and document your APIs faster, for free.
Klaros-Testmanagement – a professional tool for the management and orginisation of the test process, available in a free Community Edition
HttpMaster – automate testing of RESTful web services and more, runs on Windows platform and is available as free Express Edition.
Applitools Eyes – set up automated testing of all the visual aspects of your application, free plan available for 1 user and up to 5 tests.
Ghost Inspector – an automated testing platform that has a free plan available for 100 test runs each month.
Sikuli – an open source tool to automate and test graphical user interfaces using screenshot images.
Prefinery – a complete launch platform, that has a free plan available, which allows you to manage up to 200 users.
Usetrace – is an artificial software tester and has a free plan for 5 builds per week.
BlazeMeter – has a free plan for 50 concurrent users, 10 tests per month of 20 minutes duration.
Loader.io – a free load testing service to simulate connections to your application.
JAR:Load – a free forever plan for 25 virtual users for load tests of 10 minutes and up to 6 tests per month.
NeoLoad – free Load Testing for up to 50 concurrent Virtual Users.
AgileLoad – free download for building test scenarios with 10 virtual users.
Load Impact – load testing service has a free forever plan for 100 Virtual Users and 5 tests per month.
Free website testing software list last updated on 14th May 2017.
Hope you found the above list of free website testing software and free testing tools useful. If there are any other you would feel should be on the list then please let me know.