TOOLS · FREE TIER
Mozilla Observatory
Find and fix security vulnerabilities in your site.
OPEN IT →Free Tier
Every free tier link in the ranking, ordered by what people actually open. All checked automatically.
TOOLS · FREE TIER
TOOLS · FREE TIER
Workers
Deploy serverless code for free on Cloudflare's global network-100k daily requests.
OPEN IT →Apache Netbeans
Development Environment, Tooling Platform and Application Framework.
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TOOLS · FREE TIER
developers.google.com
The Google Hosted Libraries is a content distribution network for the most popular Open Source JavaScript libraries
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TOOLS · FREE TIER
Application Services
Free DNS for an unlimited number of domains, DDoS Protection, CDN along with free SSL, Firewall rules and page rules, WAF, Bot Mitigation, Free Unmetered Rate Limiting - 1 rule per domain, Analytics, Email forwarding
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TOOLS · FREE TIER
Microsoft Ajax
The Microsoft Ajax CDN hosts popular third-party JavaScript libraries such as jQuery and enables you to easily add them to your Web application
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TOOLS · FREE TIER
Visual Studio Community
Fully-featured IDE with thousands of extensions, cross-platform app development (Microsoft extensions available for download for iOS and Android), desktop, web and cloud development, multi-language support (C#, C++, JavaScript, Python, PHP and more).
OPEN IT →CyberChef
A simple, intuitive web app for analyzing and decoding/encoding data without dealing with complex tools or programming languages. Like a Swiss army knife of cryptography & encryption. All features are free to use, with no limit. Open source if you wish to self-host.
OPEN IT →Khan Academy
Free online guides for learning basic and advanced HTML/CSS, JavaScript and SQL.
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TOOLS · FREE TIER
geoapify.com
Vector and raster map tiles, geocoding, places, routing, isolines APIs. Three thousand free requests/day.
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TOOLS · FREE TIER
Hookdeck
Develop, test, and monitor your webhooks from anywhere. 100K requests and 100K attempts per month with three days retention.
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TOOLS · FREE TIER
Portkey
Control panel for Gen AI apps featuring an observability suite & an AI gateway. Send & log up to 10,000 requests for free every month.
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TOOLS · FREE TIER
Posthook
Schedule webhooks to fire at a future time with automatic retries, delivery tracking, and failure alerting. Free plan includes 1,000 webhooks per month.
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TOOLS · FREE TIER
Exchange Rate API
Real-time currency rates for 160+ currencies with 60-second updates and official SDKs. Free tier includes 300 requests/month.
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TOOLS · FREE TIER
GrowthBook
Open source feature flag and A/B testing provider with built-in Bayesian statistical analysis engine. Free for up to 3 users, unlimited feature flags and experiments.
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TOOLS · FREE TIER
formlets.com
Online forms, unlimited single page forms/month, 100 submissions/month, email notifications.
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TOOLS · FREE TIER
Pixela
Free daystream database service. All operations are performed by API. Visualization with heat maps and line graphs is also possible.
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TOOLS · FREE TIER
Lingo.dev
Open-source AI-powered CLI for web & mobile localization. Bring your own LLM, or use 10,000 free words every month via Lingo.dev-managed localization engine.
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TOOLS · FREE TIER
Integrately
Automate tedious tasks with a single click. Free 100 Tasks, 15 Minute
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TOOLS · FREE TIER
Components.studio
Code components in isolation, visualize them in stories, test them, and publish them on npm.
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