TOOLS · FREE TIERMozilla 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 TIERWorkers
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 TIERdevelopers.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 TIERApplication 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 TIERMicrosoft 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 TIERVisual 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.
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TOOLS · FREE TIERZero Trust & SASE
Up to 50 Users, 24 hours of activity logging, three network locations
OPEN IT →Khan Academy
Free online guides for learning basic and advanced HTML/CSS, JavaScript and SQL.
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TOOLS · FREE TIERgeoapify.com
Vector and raster map tiles, geocoding, places, routing, isolines APIs. Three thousand free requests/day.
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TOOLS · FREE TIERHookdeck
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 TIERPortkey
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 TIERPosthook
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 TIERExchange 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 TIERGrowthBook
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 TIERformlets.com
Online forms, unlimited single page forms/month, 100 submissions/month, email notifications.
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TOOLS · FREE TIERNile
A Postgres platform for B2B apps. Unlimited databases, Always available with no shutdown, 1GB of storage (total), 50 million query tokens, autoscaling, unlimited vector embeddings
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TOOLS · FREE TIERSmart Grow Vault
Secure Enterprise-grade platform for managing environment variables and secrets. Free tier includes up to 3 applications and 150 secrets per project.
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TOOLS · FREE TIERQRtracer
Free QR code generator with built-in scan analytics, bulk generation & brand customisation, focused on reliability without any ads.
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