Binary search for JavaScript done right.

Toolkit to produce a fancy console output (boxes, tables, charts, colors).

Micro-library of Node stream components with minimal dependencies for creating custom data processors oriented on processing huge CSV files while requiring a minimal memory footprint.

AI-agent-first knowledge base over markdown. SQLite + sqlite-vec for fast lookup, semantic search, and typed-edge traversal; BGE embeddings; REST server (MCP planned).

Playwright-based browser test runner for tape-six. Runs each test file in its own iframe inside headless Chromium. Works with Node, Deno, and Bun.

Zero-dependency DynamoDB toolkit (AWS SDK v3) — Adapter with hooks, expression builders, batch/transaction chunking, mass operations, REST handler.

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HTTP I/O

Chain functions, generators, and streams into a pipeline with backpressure support.

Fetch adapter for dynamodb-toolkit — serves the standard REST route pack as a (Request) → Promise<Response> handler. Runs on Cloudflare Workers, Deno Deploy, Bun.serve, Hono, itty-router, and Node'…

AWS Lambda adapter for dynamodb-toolkit — serves the standard REST route pack as a Lambda handler for API Gateway (REST / HTTP), Lambda Function URLs, and ALB. Delegates parsing, envelope building,…

TAP-inspired unit test library for Node, Deno, Bun, and browsers. ES modules, TypeScript, zero dependencies.

Puppeteer-based browser test runner for tape-six. Runs each test file in its own iframe inside headless Chrome. Works with Node, Deno, and Bun.

No-dependency micro helper for developers of binary addons for Node that checks the cache for an artifact before attempting to build a project. Save time for your users!

Koa adapter for dynamodb-toolkit — mounts the standard REST route pack as Koa middleware.

Express adapter for dynamodb-toolkit — mounts the standard REST route pack as Express middleware.

Micro AWS Website CDN with CDK

node.js bindings for RE2: fast, safe alternative to backtracking regular expression engines.

Toolkit to help with meta programming and OOP

Zero-dependency ESM library for deep equality, deep clone, unification, and pattern matching with logical variables and wildcards. Handles circular references, Map, Set, URL, typed arrays, Date, Re…

Embeddable Prolog-style logic engine for JavaScript: declarative rules, unification, backtracking search, and four solver drivers (sync/async × callback/generator). Useful for pattern matching with…

Small utilities to benchmark code with Node, Deno or Bun.

Run shell commands and use them in stream pipelines with ease in Node, Deno, Bun. Template tag API, web streams, TypeScript typings, zero dependencies.

The micro-library of Node.js stream components for creating custom JSON processing pipelines with a minimal memory footprint. It can parse JSON files far exceeding available memory streaming indivi…

Pure Bash library for CLI utilities: ANSI colors & styles, text box layout, option parsing, and auto-generated help screens. Zero dependencies, Bash 4.0+.

time-queues is an efficient library for organizing asynchronous multitasking and scheduled tasks. Additionally it provides browser-specific integrations to support best practices.

Process-isolated test runner for tape-six. Runs each test file in its own subprocess. Works with Node, Deno, and Bun. Supports TypeScript without transpilation.

List-based data structures to organize your objects.

Tight 2D packing of images into a sprite with a corresponding CSS.