Nikos Douvlis

or-tools-wasm. Running Google OR-Tools multithreaded in browser through wasm.

where-durableobjects-live. Tracking where Durable Objects are created, wherever you are in the world.

agency-agents. A complete AI agency at your fingertips - From frontend wizards to Reddit community ninjas, from whimsy injectors to reality checkers. Each agent is a specialized expert with personality, processes, and proven deliverables.

agentic-inbox. A self-hosted email client with an AI agent, running entirely on Cloudflare Workers

paneru. A sliding, tiling window manager for MacOS.

pal-mcp-server. The power of Claude Code / GeminiCLI / CodexCLI + [Gemini / OpenAI / OpenRouter / Azure / Grok / Ollama / Custom Model / All Of The Above] working as one.

context7. Context7 Platform -- Up-to-date code documentation for LLMs and AI code editors

cmux. Open source Ghostty-based macOS terminal with vertical tabs and notifications for AI coding agents. Built for multitasking, organization, and programmability.

impeccable. The design language that makes your AI harness better at design.

pkglab. Fast local package development CLI with an embedded fast NPM registry. Publish, test, and iterate on workspace packages across consumer repos.

actors. An easier way to build with Cloudflare Durable Objects

icons. beautifully crafted animated icons

emailchecker. Go

vinext. Vite plugin that reimplements the Next.js API surface — deploy anywhere

pkglab. Fast local package development CLI with an embedded fast NPM registry. Publish, test, and iterate on workspace packages across consumer repos.

workflow-engine. TypeScript

blocks. An open-source library of UI blocks. Built with React, Tailwind and shadcn/ui

DropDrawer. A responsive component that automatically switches between a dropdown menu on desktop and a drawer on mobile devices for shadcn/ui. A drop-in replacement for shadcn/ui's DropdownMenu component.

polizy. A flexible, Zanzibar-inspired authorization library for Node.js and TypeScript

AirPodsSanity. Fixes the Sound Quality of AirPods when connected to a Mac.

difit. A lightweight command-line tool that spins up a local web server to display Git commit diffs in a GitHub-like Files changed view

agent-skills. Vercel's official collection of agent skills

gemini-cli. An open-source AI agent that brings the power of Gemini directly into your terminal.

shannon. Shannon is an autonomous, white-box 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.

lazyworktree. Easy Git worktree management CLI and TUI for the terminal.

CodexBar. Show usage stats for OpenAI Codex and Claude Code, without having to login.

PaddleOCR. Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.

awesome-nano-banana-pro-prompts. 🍌 World's largest Nano Banana Pro prompt library — 10,000+ curated prompts with preview images, 16 languages. Google Gemini AI image generation. Free & open source.

superpowers. An agentic skills framework & software development methodology that works.

claude-plugins-official. Official, Anthropic-managed directory of high quality Claude Code Plugins.

gastown. Gas Town - multi-agent workspace manager

cc-safety-net. A coding agent CLI hook that acts as a safety net, catching destructive git and filesystem commands before they execute. Supports Codex, Claude Code, OpenCode, Gemini CLI, Copilot CLI, Kimi Code and Pi.

rrweb. record and replay the web

aerospace-layout-manager. Automate the arrangement of windows into complex, repeatable layouts using aerospace

AeroSpace. AeroSpace is an i3-like tiling window manager for macOS

pg-workflows. Postgres workflows. Durable execution built on pg-boss. Like Temporal, Inngest, or Trigger, powered by Postgres.

docker-node-example. An example Node / Express app that's using Docker and Docker Compose.

reactui-email. Email Templates with React Email in Tailwind CSS

restate. Restate is the platform for building resilient applications that tolerate all infrastructure faults w/o the need for a PhD.

meet. Open source video conferencing app built on LiveKit Components, LiveKit Cloud, and Next.js.

jitsi-meet. Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.

docker-stack-deploy. GitHub Action and Docker image used to deploy a Docker stack on a Docker Swarm

k3s. Lightweight Kubernetes

cobe. 5KB WebGL globe lib.

nativewindui. Carefully crafted components that strive for a native look & feel. The perfect starting point for those that need to ship fast, and look good while doing it.

PWABuilder. The simplest way to create progressive web apps across platforms and devices. Start here. This repo is home to several projects in the PWABuilder family of tools.

opennextjs-cloudflare. Open Next.js adapter for Cloudflare

livestore. LiveStore is a next-generation state management framework based on reactive SQLite and built-in sync engine.

shadcn-zod-form. CLI tool to convert Zod schemas into shadcn/ui forms.

shadcn-admin. Admin Dashboard UI built with Shadcn and Vite.

big-calendar. This project provides a modern, responsive interface for managing events and schedules with multiple viewing options.

assistant-ui. Typescript/React Library for AI Chat💬🚀

awesome-shadcn-ui. A curated list of awesome things related to shadcn/ui.

visx. 🐯 visx | visualization components

nextjs-clean-architecture. Watch tutorial: https://youtu.be/jJVAla0dWJo

pg-boss. Queueing jobs in Postgres from Node.js like a boss

MinerU. Transforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.

lobehub. 🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.

shadergradient. Create beautiful moving gradients on Framer, Figma and React

madge. Create graphs from your CommonJS, AMD or ES6 module dependencies

cal.diy. Scheduling infrastructure for absolutely everyone.

pglite. Embeddable Postgres with real-time, reactive bindings.

arktype. TypeScript's 1:1 validator, optimized from editor to runtime

circle. UI - Project management interface inspired by Linear. Built with Next.js and shadcn/ui, this application allows tracking of issues, projects and teams.

typescript-go. Staging repo for development of native port of TypeScript

workers-mcp. Talk to a Cloudflare Worker from Claude Desktop!

node-oauth2-server. Complete, compliant and well tested module for implementing an OAuth2 Server/Provider with express in node.js

awilix. Extremely powerful Inversion of Control (IoC) container for Node.JS

siyuan. A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.

agentic. Your API ⇒ Paid MCP. Instantly.

crewAI. Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.

nanoid. A tiny (118 bytes), secure, URL-friendly, unique string ID generator for JavaScript

stagehand. The SDK For Browser Agents

scrapemate. Golang Crawling and scraping framework

langchain. The agent engineering platform.

core. :house_with_garden: Open source home automation that puts local control and privacy first.

typescript-monorepo. A quest for the perfect Typescript monorepo

website. The official Next.js website for payloadcms.com

tldraw. Build infinite canvas apps in React with the tldraw SDK. World's best, top-most agent recommended #1 five star SDK.

fingerprintjs. The most advanced free and open-source browser fingerprinting library

Leaflet. 🍃 JavaScript library for mobile-friendly interactive maps 🇺🇦

erpnext. Free and Open Source Enterprise Resource Planning (ERP)

plane. 🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.

drizzle-orm. ORM

workers-og. An `og:image` (social card) generator that is fast, browser-less (no Puppeteer), and capable of running on the edge. This package is designed to be used with Cloudflare Workers (but may be used elsewhere), with the simple API inspired by `@vercel/og`.

ipx. 🖼️ High performance, secure and easy-to-use image optimizer.

sst. Build full-stack apps on your own infrastructure.

coolify. An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stack applications and 280+ one-click services on your own servers.

Print.js. A tiny javascript library to help printing from the web.

pdf-lib. Create and modify PDF documents in any JavaScript environment

traefik. The Cloud Native Application Proxy

waveterm. An open-source, AI-integrated, cross-platform terminal for seamless workflows

contextive. Get on the same page.

drei. 🥉 useful helpers for react-three-fiber

dub. The modern link attribution platform. Loved by world-class marketing teams like Framer, Perplexity, Superhuman, Twilio, Buffer and more.

devcert. Local HTTPS development made easy

matcaps. Huge library of matcap PNG textures organized by color

three.js. JavaScript 3D Library.

GWToolboxpp. Tools for Guild Wars players

preact. ⚛️ Fast 3kB React alternative with the same modern API. Components & Virtual DOM.

react-email. 💌 Build and send emails using React

pkg-size. Measure the size of your npm package distribution

gzip-size-cli. Get the gzipped size of a file or stdin

frontend-platform. A framework for Open edX micro-frontend applications.

tab-election. Provides leadership election in the browser across tabs using localStorage only.

awesome-testing. A curated list of testing resources

PubSubJS. Dependency free publish/subscribe for JavaScript

should-up. Remove most of the "should" noise from your tests

ngx-clerk. An unofficial project that aims to provide a seamless integration of Clerk features into Angular applications.

qr-scanner. Lightweight Javascript QR Code Scanner

node-api-boilerplate. DDD/Clean Architecture inspired boilerplate for Node web APIs

ddd-hexagonal-cqrs-es-eda. Complete working example of using Domain Driven Design (DDD), Hexagonal Architecture, CQRS, Event Sourcing (ES), Event Driven Architecture (EDA), Behaviour Driven Development (BDD) using TypeScript and NestJS. Like what you see? Don't forget to star! ⭐ ^^^

peerjs. Simple peer-to-peer with WebRTC.

cmdk. Fast, unstyled command menu React component.

alt-tab-macos. Windows alt-tab on macOS

esbuild-ts-paths. Transform TS path aliases to absolute paths for esbuild

clerk-koa. Clerk server SDK for usage with Koa

refine. A React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibility.

typetype. A programming language designed for typescript type generation

ts-sql. A SQL database implemented purely in TypeScript type annotations.

backbone. Give your JS App some Backbone with Models, Views, Collections, and Events

next-themes. Perfect Next.js dark mode in 2 lines of code. Support System preference and any other theme with no flashing

typescript-enterprise-patterns. GoF, Growing Object Oriented, Enterprise Software Architecture

til. :memo: Today I Learned

trigger.dev. Trigger.dev – build and deploy fully‑managed AI agents and workflows

ts-rest. RPC-like client, contract, and server implementation for a pure REST API

vite-ecosystem-ci. Vite Ecosystem CI

astro-with-clerk-auth. Community Astro SDK for Clerk with starter `astro-clerk-auth`

sudolang. SudoLang LLM Support for VSCode

effect. Build production-ready applications in TypeScript

nypm. 🌈 Unified Package Manager for Node.js (npm, pnpm, yarn), Bun, Deno, Nub, Aube.

t4-app. Full stack meta-framework for building iOS, Android, and Progressive Web Apps with Tamagui and deploying to Cloudflare.

modern-guide-to-packaging-js-library. A guide to help ensure your JavaScript library is the most compatible, fast, and efficient library you can make.

waku. ⛩️ The minimal React framework

vue-clerk. Community Clerk Vue SDK (now official!)

BlockNote. A React Rich Text Editor that's block-based (Notion style) and extensible. Built on top of Prosemirror and Tiptap.

arethetypeswrong.github.io. Tool for analyzing TypeScript types of npm packages

publint. Lint packaging errors

typia. Super-fast/easy runtime validators and serializers via transformation

ts-reset. A 'CSS reset' for TypeScript, improving types for common JavaScript API's

server-components-demo. Demo app of React Server Components.

chronark.com. MDX

ZTool-Desktop-App. HTML

hyperdx. Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.

themes. Radix Themes is an open-source component library optimized for fast development, easy maintenance, and accessibility. Maintained by @workos.

tshy. JavaScript

excalidraw. Virtual whiteboard for sketching hand-drawn like diagrams

maildev. :mailbox: SMTP Server + Web Interface for viewing and testing emails during development.

nanostores. A tiny (340 bytes) state manager for React/RN/Preact/Vue/Svelte with many atomic tree-shakable stores

faker. Generate massive amounts of fake data in the browser and node.js

recast. JavaScript syntax tree transformer, nondestructive pretty-printer, and automatic source map generator

tsx. ⚡️ TypeScript Execute | The easiest way to run TypeScript in Node.js

egghead-cli-workshop. Build Custom CLI Tooling with OClif and React-Ink!

dpdm. Detect circular dependencies in your TypeScript projects.

cac. Simple yet powerful framework for building command-line apps.

semantic-release. 📦🚀 Fully automated version management and package publishing

hono. Web framework built on Web Standards

ui. A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

wasp. The batteries-included full-stack framework for the AI era. Develop JS/TS web apps (React, Node.js, and Prisma) using declarative code that abstracts away complex full-stack features like auth, background jobs, RPC, email sending, end-to-end type safety, single-command deployment, and more.

taxemu. A tool to calculate your tax(for Greek taxpayers)

convex-demos. Demo apps built on Convex.

flags. ⛳️ Feature Flags for Next.js

convex-js. TypeScript/JavaScript client library for Convex

catppuccin. 😸 Soothing pastel theme for the high-spirited!

nextjs-routes. Type safe routing for Next.js

path-to-regexp. Turn a path string such as `/user/:name` into a regular expression

courier-js. Client side SDK for Courier

proposal-change-array-by-copy. Provides additional methods on Array.prototype and TypedArray.prototype to enable changes on the array by returning a new copy of it with the change.

git-auto-commit-action. Automatically commit and push changed files back to GitHub with this GitHub Action for the 80% use case.

events. Register events using decorators on service methods

lock-threads. GitHub Action that locks closed issues, pull requests and discussions after a period of inactivity

resvg-js. A high-performance SVG renderer and toolkit, powered by Rust based resvg and napi-rs.

action. TypeScript

react-pdf. 📄 Create PDF files using React

fyi. Little bits of information that you may find useful when interacting with Expo tools and service. Append the markdown filename to https://expo.fyi/ to get a quick link to it.

workers-sdk. ⛅️ Home to Wrangler, the CLI for Cloudflare Workers®

type-fest. A collection of essential TypeScript types

transliterate. Convert Unicode characters to Latin characters using transliteration

agadoo. Check whether a package is tree-shakeable

edge-runtime. Developing, testing, and defining the runtime Web APIs for Edge infrastructure.

jose. JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

unocss. The instant on-demand atomic CSS engine.

t3-turbo-and-clerk. A t3 Turbo starter with Clerk as the auth provider.

t3-app-clerk-minimal. TRPC + CLERK - Move fast break nothing, secure everything

verdaccio. A lightweight Node.js private proxy registry

bunchee. Zero config bundler for npm packages

mkcert. A simple zero-config tool to make locally trusted development certificates with any names you'd like.

tsup. The simplest and fastest way to bundle your TypeScript libraries.

json-translator. jsontt 💡 - AI JSON Translator with GPT / Gemma / Mixtral / llama + other FREE translation modules to translate your json/yaml files into other languages ✅ Check Readme ✌ Supports GPT / Gemma / Mixtral / llama / DeepL / Google / Bing / Libre / Argos

HackTimer. JavaScript

comlink. Comlink makes WebWorkers enjoyable.

InversifyJS. Powerful and lightweight inversion of control container. Moved to https://github.com/inversify/monorepo

tsyringe. Lightweight dependency injection container for JavaScript/TypeScript

iti. ~1kB Dependency Injection Library for Typescript and React with a unique support of async flow

jest-mock-extended. Type safe mocking extensions for Jest https://www.npmjs.com/package/jest-mock-extended

jest-cheat-sheet. Jest cheat sheet

msw. Industry standard API mocking for JavaScript.

handsontable. JavaScript Data Grid / Data Table with a Spreadsheet Look & Feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡

n. Node version management

bitloops-language. Open-source transpiled programming language that helps you write clean code, well-designed systems, and build high-quality software that is testable, auditable and maintainable. Like what you see? Don't forget to star! :star: ^^^