djbender
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Master programming by recreating your favorite technologies from scratch.
Smithy is a protocol-agnostic interface definition language and set of tools for generating clients, servers, and documentation for any programming language.
Free, open-source AWS emulator. LocalStack alternative: 107 services, 7,657 operations, true 100% Smithy conformance (258,545/258,545 variants pass). No account, no auth token, no paid tier.
The Monorepo Platform that amplifies both developers and AI agents. Nx optimizes your builds, scales your CI, and fixes failed PRs automatically. Ship in half the time.
A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀
AdonisJS is a TypeScript-first web framework for building web apps and API servers. It comes with support for testing, modern tooling, an ecosystem of official packages, and more.
A declarative way to pre-package and ship applications on Dokku.
Scan and fix React performance issues
Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.
CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies
Shannon is an AI pentester for web applications and APIs. It analyzes your source code, identifies attack vectors, and executes real exploits to prove vulnerabilities before they reach production.
Read-only developer endpoint scanner for on-disk package, extension, and developer-tool metadata, built to check exposure to known software supply-chain compromises.
Skills for Real Engineers. Straight from my .agents directory.
Turn GitHub Copilot into OpenAI/Anthropic API compatible server. Usable with Claude Code!
Free, local tool to track AI coding token usage and cost across 37 tools and agents (Claude Code, Cursor, Codex, Gemini and more), by model, project, and task. npx codeburn
🔥 Lightweight, Airbrake/Sentry-compatible, PostgreSQL-based Open Source Error Catcher
A collection of DESIGN.md files analysis by popular brand design systems. Drop one into your project and let coding agents generate a matching UI.
🪨 why use many token when few token do trick. Viral skill + proxy for coding agents that cuts 65% of tokens by talking like a caveman.
Providing additional churn metrics over the original metric_fu churn
Detect non-atomic interactions within DB transactions
A fancy self-hosted monitoring tool
🌳 Render a Rack app (Rails/Sinatra/etc) to a static build so it can be served by Netlify, Now, GitHub Pages, S3, or any other web server
🔩 ActiveRecord::JSONValidator makes it easy to validate JSON attributes against a JSON schema.
A working upgrade of the oldest extant ruby version
A coverage-guided fuzzer for pure Ruby code and Ruby C extensions
octocov is a toolkit for collecting code metrics (code coverage, code to test ratio, test execution time and your own custom metrics).