Free
Lighthouse
Open SourceLoad & Performance · Testing
Google's automated audits for performance, SEO, a11y and best practices.
performanceseoauditlighthouse
Browse the complete directory — use filters to narrow down.
Load & Performance · Testing
Google's automated audits for performance, SEO, a11y and best practices.
Wallets & Infrastructure · Web3 & Blockchain
The most used self-custody crypto wallet — browser extension and mobile, with Snaps extensibility and dApp permissions.
Browser DevTools · Development Environment
Official React extension to inspect component trees, props and state in the browser or standalone.
Browser DevTools · Development Environment
Time-travel debugging for Redux — replay actions, diff state and trace dispatched updates.
Hosting & Collaboration · Git & Version Control
Browser extension with 200+ quality-of-life improvements for the GitHub interface.
AI Coding Assistants · AI for Developers
Community-driven AI dev agent for VS Code with multiple modes.
Browser DevTools · Development Environment
Official Vue extension — component inspection, Pinia/Vuex state, router and performance profiling.