Command line tools for PPTX packages: render slides to SVG without a browser, inspect a deck, validate it, prove a round trip, and bisect the change that breaks it

Pure JavaScript package-url parser and builder

Isomorphic implementation of WebSocket

Transform arbitrary QTI 3.0 items into the editor's roundtrip-format by hoisting correct-response and score onto the interaction element.

Privacy conscious EU detection browser library

Isomorphic implementation of WebSocket

OpenLeaf editing core: ProseMirror schema, HTML I/O, and the content-preservation layer. No UI, no framework dependencies.

🔒Privacy-first location detection library for browsers

A framework for transforming markdown

Contract test kit for SaaSicat persistence adapters: one node:test suite that every adapter (Prisma, Drizzle, ...) must pass against a real database — locks, transaction rollback, atomic promo claims, tenant isolation, audit/MFA roundtrips.

ADDS 0.1 — offline-first, agent-native encrypted distribution and storage

Temporal.io SDK Workflow Streams contrib module

Object-centric serialization of Concerto models

A browser-based DOCX template editor with variable insertion support

Browser automation MCP tools built on Playwright, WebDriver BiDi, and safaridriver

Make RPC calls over a Kademlia based DHT

Model Context Protocol (MCP) server mock harness for kiwa — JSON-RPC 2.0 handshake + tool registration + schema validation + client-server roundtrip against a stable in-process transport. Ships with 5 fixture tools (echo / calc / weather / search / db-que

A library for setting up JavaScript factories to help build objects as test data, with full TypeScript support

TypeScript/JavaScript client SDK for Pirsch.

A small opinionated library to bring Rust-like results idiomatically to TypeScript.