OpenQR

Generate QR codes and manage dynamic (editable) QR codes with scan analytics

Official docs outline

Extra Credit builds an outline of OpenQR's docs the first time your work uses it. Until then, start at the official documentation.

OneSignal Self-serve customer engagement solution for Push Notifications, Email, SMS & In-App
Open Page Rank API for calculating and comparing metrics of different websites using Page Rank algorithm
Open VSX Search and access VS Code extensions from the Open VSX registry
OpenAPIHub The All-in-one API Platform
OpenApps Rankings, launches and featuring across the ChatGPT, Claude, Cursor and Grok Bot app stores
OpenGraphr Really simple API to retrieve Open Graph data from an URL
Orca Scan Generate barcode images (QR, Code 128, EAN, Data Matrix and more) in SVG, PNG, JPG or PDF
OutageDeck Live status and incidents for 170+ cloud and SaaS providers from official feeds
oyyi API for Fake Data, image/video conversion, optimization, pdf optimization and thumbnail generation
Packagist PHP Composer package versions and dist metadata
PageCDN Public API for javascript, css and font libraries on PageCDN
Peak Cloudflare Turnstile and 5-second challenge solving, pay per successful solve, 1,000 free solves