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Send SMS messages, make calls, and manage messaging.

Customer.io: customer messaging across email, push, SMS, and in-app — campaigns, broadcasts, and people data.

Browser-side image compression with format conversion, resizing, quality control, and size targeting.

Headless React hooks for audio interfaces — transport, audio graph, peaks, regions, recording, analysis, export. The engine behind @fieldui/react.

A framework-agnostic secure storage utility for encrypting, securely storing and retrieving app browser storage

Useful logger and formatter with colorized output

Marketing automation: profiles, campaigns, flows, segments, metrics, and email/SMS performance.

Dump environment variables and diff them between snapshots

Feature flag client and React hooks for Amplify platform

Validation library for Tender App source trees.

Tiny, fast, unified type-checking and validation library. Replace dozens of is-* packages.

A lightweight and reliable email validation library for checking email format, domain, and deliverability.

A flexible, distributed rate-limiting library with built-in support for Express, NestJS, and Next.js.

Browse Claude Code session logs (~/.claude/projects/) as beautiful HTML in your browser — an Akashic Record of your Claude Code sessions

Shared recurrence engine for parsing, querying, timezone-aware expansion, set composition, and text rendering.

Official command-line interface for HostStack — deploy and manage web services, databases, cron jobs, and domains on European infrastructure. See https://hoststack.dev

React bindings and browser scheduler for StateBus.

Runtime scheduler used by FeatherPerf to defer safe client modules until idle or near-viewport.

Annotation-driven CLI framework — pico-cli for TypeScript/Node.js, built on dic-nj

A simple & fast CLI tool to play IMDb titles from the terminal on the browser