Discover Free Online Tools
Browser-based utilities and practical tools for development, media, productivity, data, and everyday workflows.
Betabound
Betabound is a place for people who want a hand in the next big thing in technology. It collects and organizes a wide variety of beta testing opportunities worldwide and presents them in a structured and consistent format.
Bitdefender
Bitdefender is an antivirus that consistently ranks at the top of antivirus at independent testing. The free version for windows offers the same core antivirus technology found in their commercial plan.
Bugzilla
Bugzilla is a web-based general-purpose bug-tracking system and testing tool that allow individual or groups of developers to keep track of outstanding bugs in their product effectively.
DeepTeam
DeepTeam is an open-source red-teaming framework for testing LLM and RAG applications against vulnerabilities and adversarial attacks, including prompt injection, data leakage, misinformation, and unsafe behavior.
Facebook Creative Hub
The Facebook Creative Hub is a one-stop destination for learning about, mocking up, previewing, and testing Facebook and Instagram ads.
Figma
Figma is a cloud-based UI prototype and design platform that lets multiple teams collaborate on designing, testing, and releasing interface or product designs.
Giskard
Giskard is an open-source testing library with a commercial platform for RAG evaluation, knowledge-base quality checks, hallucination testing, vulnerability scanning, and test generation.
GlockApps
GlockApps is an email delivery and spam filter testing tool that helps fix potential deliverability problems with your messages before sending them to subscribers.
Google Optimize
Google Optimize makes it simple to run A/B, multivariate, and redirect tests on your website's content to see what works best for your users.
Google PageSpeed Insights
PageSpeed Insights analyzes the content of a web page, then generates suggestions to make that page faster.
GTmetrix
See how your site performs, reveal why it's slow and discover optimization opportunities.
MAMP
MAMP is an open-source local server environment that provides you with all the tools you need to run WordPress on your desktop PC for testing or development purposes and even test your projects on mobile devices.
Directory metadata includes openly licensed data from AutoVenture, The AltStack, Awesome SaaS Alternatives, and RAG Retrieval Tools. Product Hunt metadata is fetched only through its official API when enabled.