Geofenced, real-world presence for agents and avatars — check in at a GPS spot with a proof-of-presence fix, discover who's nearby, log real encounters, claim real-money drops, and complete agent-signed proof-of-presence quests. The three.ws IRL client.

Proof of Presence verification SDK — verify real humans by their on-chain streak

This is an internal utility, not intended for public usage.

Listen to realtime updates to your PostgreSQL database

Core logic for the presence widget implemented as a state machine

SolidJS utility that manages the presence of an element in the DOM while being aware of pending animations.

Antler Protocol SDK - Proof of Presence, not Identity

A lightweight React hook to animate the presence of an element.

Convex component for presence functionality.

A comprehensive utility library for the BUIDL ecosystem, providing common utilities for DPoP (Decentralized Proof of Presence), image processing, date/time formatting, wallet management, and profile handling.

Configurable linter for package.json files.

DPoP (RFC9449) for JavaScript Runtimes

WebSocket client for Sanity's Bifur real-time service, communicating over JSON-RPC 2.0 and returning RxJS Observables

Utility to animate the presence of an element based on the existence of data or lack thereof.

collection of cryptographic functions that support every js runtime for ES5+

A JavaScript parser built from the Hermes engine

Binary serialization which sorts bytewise for arbirarily complex data structures

An implementation of the Linked Data Signatures specifications for JSON-LD in JavaScript.

A Presence component for ReactLynx. It animates elements entering and leaving the view tree.

Implement and manage presence/awareness using [Yjs](https://github.com/yjs/yjs) in any React application using two simple React hooks: `useSelf` and `useUsers`.