Douglas Moura

tslog. 📝 tslog - Universal Logger for TypeScript and JavaScript

AmberConsole. A UI design system inspired by the 1970s

nilaway. Static analysis tool to detect potential nil panics in Go code

nidus. Nidus is a modular Rust application framework inspired by NestJS ergonomics and built on Rust-native explicitness, compile-time checks, Axum, Tower, and Tokio.

lumis. Syntax Highlighter powered by Tree-sitter and Neovim themes.

spritefusion-pixel-snapper. A tool to snap pixels to a perfect grid. Designed to fix messy and inconsistent pixel art generated by AI.

native. Toolkit for building native desktop apps

revenue-centric-design. Product-design, conversion & behavioral-science principles for SaaS

astryx. An open source design system that's fully customizable and agent ready

vexflow. TypeScript library for rendering music notation & guitar tablature.

vexflow. A JavaScript library for rendering music notation and guitar tablature.

tegaki. Handwriting animation for the web. Supports any font or text.

superlog. Open-source observability tool that uses AI agents to self-heal your software

skills. Skills for Real Engineers. Straight from my .agents directory.

agentmemory. #1 Persistent memory for AI coding agents based on real-world benchmarks

superstonk. Follow your favourite stock right in the terminal window

Practical-Cryptography-for-Developers-Book. Practical Cryptography for Developers: Hashes, MAC, Key Derivation, DHKE, Symmetric and Asymmetric Ciphers, Public Key Cryptosystems, RSA, Elliptic Curves, ECC, secp256k1, ECDH, ECIES, Digital Signatures, ECDSA, EdDSA

mediabunny. Pure TypeScript media toolkit for reading, writing, and converting video and audio files, directly in the browser.

tinte. Agent-native design system infrastructure. Generate, compile, install, and preview design systems from one source of truth.

peachy. A delightful TUI for creating terminal color themes from images

spec-kit. 💫 Toolkit to help you get started with Spec-Driven Development

module-replacements. A manifest of JS modules and their more modern/active replacements

sqlite3-parser-js. Pure JavaScript port of SQLite's LALR(1) SQL parser with improved error messages

whisper.cpp. Port of OpenAI's Whisper model in C/C++

psmux. Tmux on Windows Powershell - tmux for PowerShell, Windows Terminal, cmd.exe. Includes psmux, pmux, and tmux commands. This is native High-Performance Tmux designed for Windows in Rust 🦀

tennis. stylish CSV tables in your terminal

fnm. 🚀 Fast and simple Node.js version manager, built in Rust

distrobox-gaming. Script to create a gaming focused Distrobox with all emulators pre-configured

pkg. Package your Node.js project into an executable

aube. A fast Node.js package manager

codex-universal. Base docker image used in Codex environments

OpenShell. OpenShell is the safe, private runtime for autonomous AI agents.

oklch-skill. Skill that helps you work with OKLCH colors.

The-Accidental-CTO. How I Scaled from Zero to a Million Store on Dukaan, Without a CS Degree. .. A System Design Handbook by Subhash Choudhary

foldb. The database that is a log, and all operations are `fold(log)`.

VibeVoice. Open-Source Frontier Voice AI

ghui. A GitHub TUI

hyprsets. TUI launcher for Hyprland worksets - run curated command sets and tiled layouts together, with a built-in visual editor.

kaptanto. kaptanto captures every insert, update, and delete from Postgres and MongoDB the moment it happens... and delivers it via stdout, SSE, gRPC or 5 different queue sinks. One static binary. Self-contained. Deploys anywhere.

wterm. A terminal emulator for the web

CrabTrap. An LLM-as-a-judge HTTP proxy to secure agents in production

glyph-protocol-examples. Go

rustfs. 🚀2.3x faster than MinIO for 4KB object payloads. RustFS is an open-source, S3-compatible high-performance object storage system supporting migration and coexistence with other S3-compatible platforms such as MinIO and Ceph.

savvy-cli. Automatically capture and surface your team's tribal knowledge

frank_investigator. An attempt at a news audit system to analyze biased or even fake journalism

zen-cal. minimal, interactive terminal-based calendar

letta-code. Stateful agents that are like people, with memory, identity, and the ability to learn and adapt

easy-ffmpeg. Porcelain options for ffmpeg, to make it more user friendly

ronly. Rust

merjs. A Zig-native web framework. File-based routing, SSR, type-safe APIs, WASM client interactivity. No Node. No npm. Just zig build serve.

hunk. Review-first terminal diff viewer for agentic coders

make-interfaces-feel-better. Skill that makes your interfaces feel better.

gh-dash. A rich terminal UI for GitHub that doesn't break your flow.

squirrelscan. The website QA tool for your coding agent. 270+ audit rules across SEO, performance, security, accessibility and agent experience.

tigerfs. Mount PostgreSQL as a filesystem. Build apps with files, explore databases with ls and cat. Every write is logged and undoable.

writebook. Ruby

once. Easy self-hosting for Docker-based web apps

video.js. Video.js - open source HTML5 video player

devpush. Like Vercel, but open source and for all languages.

components.build. An open-source standard for building modern, composable and accessible UI components.

spell-ui. A large collection of high-quality React components that you can copy and paste into any project.

autoresearch. AI agents running research on single-GPU nanochat training automatically

weave. Entity-level git merge driver. Resolves false conflicts git invents when independent agents edit the same file. ~95% reduction vs. line-based merge.

adonis-scheduler. Cron job scheduler for AdonisJS 6/7.

contextplus. Semantic Intelligence for Large-Scale Engineering. Context+ is an MCP server designed for developers who demand 99% accuracy. By combining RAG, Tree-sitter AST, Spectral Clustering, and Obsidian-style linking, Context+ turns a massive codebase into a searchable, hierarchical feature graph.

ssx. Fast and simple JSX library for server side only

queue. A simple and efficient framework-agnostic queue system for Node.js applications

genql. Type safe TypeScript client for any GraphQL API

maple. OpenTelemetry observability platform

hazel. TypeScript

critique. TUI for reviewing git changes

playwriter. Chrome extension & CLI to let agents control your browser. Runs Playwright snippets in a stateful sandbox. Available as CLI or MCP

zod-v3-to-v4. A codemod to migrate from Zod v3 to v4

shaping-skills. Skills I use with Claude for shaping

reacticx. 💅 Beautiful React Native components. One command away.

walls. All of my wallpapers in one repo.

react-doctor. Your agent writes bad React. This catches it

polyglot. Rust/Wasm-powered SQL transpiler for more than 30 SQL dialects

EffectPatterns. A community-driven knowledge base of practical patterns for Effect-TS.

pm3. A process manager with TOML configuration.

jean. A dev environment for AI agents.

code-blocks. ✨ A set of UI components & utilities to show your code beautifully.

ssrfcheck. Check if a string contains a potential SSRF attack

nightshift. Nightshift uses your leftover Claude / Codex budget to surprise you with useful PRs. Love them or leave them.

dev. Development repository for the CodeMirror editor project

shannon. 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.

CodeNomad. CodeNomad: The command center that puts AI coding on steroids.

selia. Interfaces That Feel Right, Out of the Box (For React)

nango. Build product integrations with AI.

trudido. Simple tasks. Secure notes. Made in Europe.

preact-slot. A Preact implementation of @radix-ui/react-slot

freeze. Generate images of code and terminal output 📸

vhs. Your CLI home video recorder 📼

skills. The open agent skills tool - npx skills

free-programming-books. :books: Freely available programming books

qmd. mini cli search engine for your docs, knowledge bases, meeting notes, whatever. Tracking current sota approaches while being all local

gpui-component. Rust GUI components for building fantastic cross-platform desktop application by using GPUI.

dotstate. A modern, secure, and user-friendly dotfile manager built with Rust

solidtype. A parametric CAD application built on ElectricSQL, Tanstack DB and Durable Streams

ipt. Interactive Pipe To: The Node.js cli interactive workflow

BeeThreads. 🐝The best DX to threads in Nodejs 🐝

burpsuite-installation. Complete guide for installing Burp Suite Community Edition on Linux

maskicons. TypeScript

varlock. AI-safe .env files: Schemas for agents, Secrets for humans.

neostandard. A spiritual successor to the standardjs javascript style guide

instrument-sans.

taze. 🥦 A modern cli tool that keeps your deps fresh

AppCUI-rs. AppCUI is a fast, cross-platform console and text-based user interface (CUI/TUI) framework for Rust. It combines a low-level console engine for input (mouse, keyboard, clipboard, etc.), colors, and rendering with a high-level, rich toolkit of widgets such as windows, menus, buttons, checkboxes, and many more, available for Windows, Linux and Mac.

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

nwg-shell. Installer & meta-package for the nwg-shell project: a GTK3-based shell for sway and Hyprland Wayland compositors

nwg-displays. Output management utility for sway, Hyprland and Niri

starter. A full-stack starter kit for Edge-first applications built with React on top of Cloudflare Developer Platform

terminaltexteffects. TerminalTextEffects (TTE) is a terminal visual effects engine, application, and Python library.

BMAD-METHOD. Breakthrough Method for Agile Ai Driven Development

hyperfine. A command-line benchmarking tool

harper. Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

BetterDisplay. Unlock your displays on your Mac! Flexible HiDPI scaling, XDR/HDR extra brightness, virtual screens, DDC control, extra dimming, PIP/streaming, EDID override and lots more!

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

turso. A SQL database in Rust: SQLite-compatible, now also speaking Postgres (experimental). The LLVM of databases.

healthie-dev-assist. TypeScript

celery. Distributed Task Queue (development branch)

ArcWTF. A userChrome.css theme to bring Arc Browser look on Windows to Firefox. Work with Windows, Linux and macOS ✨

edit. We all edit.

koa. Expressive middleware for node.js using ES2017 async functions

algora. Hire the top 1% OSS engineers

serverless-http. Use your existing middleware framework (e.g. Express, Koa) in AWS Lambda 🎉

stockfish.js. The Stockfish chess engine for web browsers

git-removed-branches. Git: List or remove local tracked branches, which are deleted from the remote.

json-accelerator. Accelerate JSON stringification by providing OpenAPI/TypeBox shape

dia. A TTS model capable of generating ultra-realistic dialogue in one pass.

biomes-game. Biomes is an open source sandbox MMORPG built for the web using web technologies such as Next.js, Typescript, React and WebAssembly.

solstatus. An uptime monitoring service that is easy and cheap to run at scale. Create endpoint checks for uptime, latency, and status code. Supports OpsGenie for alerts.

codex. Lightweight coding agent that runs in your terminal

PocketFlow-Tutorial-Codebase-Knowledge. Pocket Flow: Codebase to Tutorial

practica. Node.js solution starter boilerplate that is production-ready, packed with ✅ best practices and built with simplicity in mind

nodebestpractices. ✅ The Node.js best practices list (July 2026)

grokkingfp-examples. All examples and exercises from the Grokking Functional Programming book

mcp-graphql. Model Context Protocol server for GraphQL

girus-cli. Go

cm42-central. Fork and Evolution of the Fulcrum project - An agile project planning tool and Pivotal Tracker drop-in replacement

bookbinder-js. A JS application to format PDFs for bookbinding.

cline. Autonomous coding agent as an SDK, IDE extension, or CLI assistant.

fauna-postgres.

ableton-mcp. Python

demo. A concrete example of a Fastify application using what are considered best practices by the Fastify community

rrweb. record and replay the web

QubitSim. QubitSim is a modern JavaScript library that simulates core quantum computing concepts and post-quantum cryptography. Designed for intuitive educational use, it allows developers to prototype algorithms and visualize states without requiring physical quantum hardware.

terraform-amazon-bedrock-agent-example. Example of using Terraform to manage an Amazon Bedrock agent

react-starter-kit. Inertia Rails React Starter Kit

ggwave. Tiny data-over-sound library

juice-shop. OWASP Juice Shop: Probably the most modern and sophisticated insecure web application

pythonx. Python interpreter embedded in Elixir

awesome-cto. A curated and opinionated list of resources for Chief Technology Officers, with the emphasis on startups

AutoGPT. AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.

cool-retro-term. A good looking terminal emulator which mimics the old cathode display...

ai-hero. AI Hero's open-source examples and course material. Learn AI Engineering with a single repo.

open-source-stack. Minimal stack to ship npm packages in CJS/ESM with Typescript

litestack. Ruby

blockqueue. Cost-effective Job Queue with Pub/Sub. Embeddable in Go applications, or runnable as a standalone HTTP service. Supports SQLite, Turso, and PostgreSQL.

litequeue. Queue built on top of SQLite

gameboy. The Gameboy emulator that runs everywhere (Terminal, Web, Desktop)

zap-gpt-free. Este projeto explora a integração do ChatGPT com o WhatsApp, transformando o chatbot em um assistente virtual capaz de realizar tarefas como falar com amigos, responder a perguntas de clientes, e muito mais, com um toque de humanização nas conversas.

gotrequests.com. GotRequests? As uplifting as a glass of milk. Capture requests coming from any source.

done. Self-hosted message queue for Deno Deploy

scc. Sloc, Cloc and Code: scc is a very fast accurate code counter with complexity calculations and COCOMO estimates written in pure Go

denodata. Generalized indexing, search, and change subscriptions for Deno KV

markitdown. Python tool for converting files and office documents to Markdown.

jsonresume.org. The mono repo that builds the homepage, utils, ui components, registry and anything else

just. the only javascript runtime to hit no.1 on techempower :fire:

base-ui. Unstyled UI components for building accessible web apps and design systems. From the creators of Radix, Floating UI, and Material UI.

tomato-architecture. Tomato Architecture - A common sense driven approach to software architecture

build-your-own-x. Master programming by recreating your favorite technologies from scratch.

rqlite. The lightweight, fault-tolerant database built on SQLite. Designed to keep your data highly available with minimal effort.

0x. 🔥 single-command flamegraph profiling 🔥

aisuite. Simple, unified interface to multiple Generative AI providers

jsoncrack.com. ✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs.

mitata. benchmark tooling that loves you ❤️

exo. Run frontier AI locally.

icons. beautifully crafted animated icons

birpc. Message-based two-way remote procedure call.

ni. 💡 Use the right package manager

ftl. FTL: faster than light deployment

open-webui. User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

jan. Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

restish. Restish is a CLI for interacting with REST-ish HTTP APIs with some nice features built-in

poku. 🐷 Poku makes testing easy for Node.js, Bun, Deno, and you at the same time.

renovate. Home of the Renovate CLI: Cross-platform Dependency Automation by Mend.io

rage. Fiber-based Ruby web framework combining Rails ergonomics with a unified runtime

briefer. Dashboards and notebooks in a single place. Create powerful and flexible dashboards using code, or build beautiful Notion-like notebooks and share them with your team.

domaindsl. A DSL to describe types and generate in your target language.

ORM-Smells-Catalog. Repository for the ORM-related Code Smells catalog

polar. Polar — A billing platform for the intelligence era

plainstack. A single-file web framework

rails. Ruby on Rails

ezno. A correct and efficient TypeScript type checker and compiler with additional experiments

oop. OOP in Elixir!

OpenBB. Open Data Platform for analysts, quants and AI agents.

platform. Huly — All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion)

cortex.cpp. Local AI API Platform

proposal-try-operator. A proposal to bring ergonomic, inline error handling to JavaScript through a new try operator that always returns a Result.