Jean Jacques Nascimento Barros

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

headroom. Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

jjeanjacques10.github.io. HTML

rtk. CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

GitNexus. GitNexus: The Zero-Server Code Intelligence Engine - GitNexus is a client-side knowledge graph creator that runs entirely in your browser. Drop in a git repository (Github, Gitlab, Azure, Local) or ZIP file, and get an interactive knowledge graph with a built in Graph RAG Agent. Perfect for code exploration

pg-queue-go. A queue client for postgresqp

openclaw. Your own personal AI assistant. Any OS. Any Platform. The lobster way. 🦞

guide. The Uber Go Style Guide.

linuxtips-curso-descomplicando-o-system-design. Repositório de Recursos do Curso de System Design

subtitle-tool. Python-based tool to synchronize and generate subtitles using AI.

rinha-de-backend-2025. Rinha de Backend - Terceira Edição

localstack-web. Uma UI open source não oficial para LocalStack

download-mangas-epub. JavaScript

Curator. Scalable data pre processing and curation toolkit for LLMs

Deep-Live-Cam. real time face swap and one-click video deepfake with only a single image

mux. Package gorilla/mux is a powerful HTTP router and URL matcher for building Go web servers with 🦍

hands-on-microservices. HCL

agenda-tech-brasil. Lista de eventos tech que acontecem no Brasil

borgo. Borgo is a statically typed language that compiles to Go.

pgmq. A lightweight message queue. Like AWS SQS and RSMQ but on Postgres.

markdowner. A fast tool to convert any website into LLM-ready markdown data. Built by https://supermemory.ai

kong-fiap. Dockerfile

ani-cli. A cli tool to browse and play anime

deprecated-generative-ai-python. This SDK is now deprecated, use the new unified Google GenAI SDK.

awesome-selfhosted. A list of Free Software network services and web applications which can be hosted on your own servers

preventing-lost-update-racecondition. Playing a little bit with JPA/Hibernate and Postgres to prevent race conditions

rinha-de-backend-2024-q1. Repositório da 2ª edição da Rinha de Backend

plex-docker-compose. docker compose to run the containers in my local plex server

py-googletrans. (unofficial) Googletrans: Free and Unlimited Google translate API for Python. Translates totally free of charge.

rinha-de-compiler. 🥖 | Rinha de compiladores (ou interpretadores kkkk

lpi4noobs. Guia completo para preparação da certificação LPI Essentials (LPI LE-1)! 🐧

all-spring-and-spring-boot-annotations. Check out all the spring core, spring MVC, spring boot, spring cloud, spring data jpa annotations with examples, tutorials, andguides.

spring-clean-architecture. An example web app structured using Clean Architecture, implemented using Spring Framework.

pilotord-kit-onboarding. Documentação e arquivos de configuração para participação no Piloto do Real Digital

GRPC-Mock-Server. Super fast, platform independent, standalone component for mocking GRPC services using WireMock.NET stubbing engine

cloud-engineer-roadmap. Python

gpt-engineer. CLI platform to experiment with codegen. Precursor to: https://lovable.dev

safaribooks. Download and generate EPUB of your favorite books from O'Reilly Learning (aka Safari Books Online) library.

sample-spring-microservices-kubernetes. Sample Spring Boot application that uses some features provided by Spring Cloud Kubernetes, Spring Cloud OpenFeign and Spring Cloud Gateway deployed on Kubernetes

spring-boot-reactive-example. ตัวอย่างการเขียน Java Spring-boot Reactive (WebFlux)

workshop. Java

ShadowClone. Unleash the power of cloud

hexagonal-architecture-spring-boot. This is the repository containing an example application for my blog post about Hexagonal Architecture with Spring Boot.

private-gpt. Complete API layer for private AI applications on local models: RAG, skills, tools, MCP, text-to-sql, and more. Works with any OpenAI-compatible inference server.

jmh. https://openjdk.org/projects/code-tools/jmh

health-go. Library to provide basic healthcheck functionality to Go applications.

gpt4all. GPT4All: Run Local LLMs on Any Device. Open-source and available for commercial use.

the-algorithm. Source code for the X Recommendation Algorithm

aicommits. A CLI that writes your git commit messages for you with AI

sql-translator. SQL Translator is a tool for converting natural language queries into SQL code using artificial intelligence. This project is 100% free and open source.

dotfiles. Chezmoi managed dotfiles

openai-python. The official Python library for the OpenAI API

amazon-ecs-java-microservices. This is a reference architecture for java microservice on Amazon ECS

aiac. Artificial Intelligence Infrastructure-as-Code Generator.

terraguard. 🛡️ 🔒 This project's goal is to be simple to create and destroy your own VPN service using WireGuard.

whatsapp-chatgpt. ChatGPT + DALL-E + WhatsApp = AI Assistant :rocket: :robot:

techguide. TechGuide main repository with the code that guides your tech career!

ChatGPT-Free-Prompt-List. A free guide for learning to create ChatGPT3 Prompts

clone-tabnews. Implementação do https://www.tabnews.com.br para o https://curso.dev

genai-code-review. Python

Intro_Ecossistema_Hadoop.

venom. Venom is a high-performance system developed with JavaScript to create a bot for WhatsApp, support for creating any interaction, such as customer service, media sending, sentence recognition based on artificial intelligence and all types of design architecture for WhatsApp.

professional-programming. A collection of learning resources for curious software engineers

dynamodb-scheduled-application-auto-scaling. :chart_with_upwards_trend: :chart_with_downwards_trend: :chart_with_upwards_trend: Simple example to explain how to implement Scheduled Application Autoscaling in DynamoDB

aws-spring-boot-optimization. Java

polemicas-e-tretas-dev. As polêmicas e tretas 🇧🇷 versionadas

fast-data-dev. Kafka Docker for development. Kafka, Zookeeper, Schema Registry, Kafka-Connect, , 20+ connectors

java-cli-project-template. Project template for bootstrapping Java & Picocli based CLI

DevOps-Guide. DevOps Guide - Development to Production all configurations with basic notes to debug efficiently.

local-services. A collection of docker-compose files

java-champions. A list of Java Champions

Cloud-Security-Attacks. Azure and AWS Attacks

chatgpt-google-extension. This project is deprecated. Check my new project ChatHub:

ChatGPT. Reverse engineered ChatGPT API

modern-spring-on-kubernetes. Examples showing how use Spring on Kubernetes

FaceBook_clone. Java

Sunshine. Self-hosted game stream host for Moonlight.

lazydocker. The lazier way to manage everything docker

java-study-guide. A comprehensive review of the Java programming language

tabnews.com.br. Conteúdos para quem trabalha com Programação e Tecnologia.

eleicoes2022. Scripts para análise de dados das Eleições brasileiras de 2022

Clone-Wars. 100+ open-source clones of popular sites like Airbnb, Amazon, Instagram, Netflix, Tiktok, Spotify, Whatsapp, Youtube etc. See source code, demo links, tech stack, github stars.

cloud-security-remediation-guides. Security Remediation Guides

insomnia. The open-source, cross-platform API client for GraphQL, REST, and gRPC.

Challenge-Task-List. Backend Challenge description created for the DevChallenge website.

parallel-kafka-consumer-messaging-framework. Java

stemroller. Isolate vocals, drums, bass, and other instrumental stems from any song

okk-url-curto. Um tempo atrás o Encurtador de Url parecia ser o novo CRUD, isso pela grande quantidade de posts em blogs, videos e outros materias que se via na internet. Diante disso, decidi implementar minha versão.

GitHub. Nesse repositório temos alguns arquivos que te ajudarão com o GitHub

sqs-load-test. Perform simple load tests with the new Spring Cloud AWS SQS integration

awesome-compose. Awesome Docker Compose samples

spring-cloud-aws. The New Home for Spring Cloud AWS

goddd. Infraestrutura DDD + GO

spring-boot-paypal-example. How to perform payment integration using paypal

samplelambdajavasqslarge. Exemplo de Lambda que produz uma mensagem no SQS acima de 256KB

java-guide. A guide of modern Java (Java 17)

video-maker. Python

serverless-graalvm-demo. Sample serverless application written in Java compiled with GraalVM native-image

searxng. SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.

software-papers. 📚 A curated list of papers for Software Engineers

AMSA. A Plex anime agent using TVDB and AniDB data

java-microservices-examples. Java Microservices: Spring Boot, Spring Cloud, JHipster, Spring Cloud Config, and Spring Cloud Gateway

awesome-design-patterns. A curated list of software and architecture related design patterns.

Jackett. API Support for your favorite torrent trackers

magnetico. Autonomous (self-hosted) BitTorrent DHT search engine suite.

backend-challenges. A public list of open-source challenges from jobs around the world

website-newsletterchamps. A page on website to display a Newsletter from Filipe Deschamps

arquitetura-hexagonal. Serviço implementado seguindo a arquitetura hexagonal.

fixture-factory. Generator fake objects from a template

search-api. Clean Architecture Case Example

101_terraform. This repository creates the following resources on AWS: IAM User Groups, Roles, Policies and Attachments; S3 buckets; Glue Crawler and Athena. It also builds and tests what's been createad with a Github Actions workflow.

500lines. 500 Lines or Less

send-notification. A toolbox in Java to send notifications (Growl, Snarl, Notification Center, notify-send, etc)

java-ring. Java Ring - Java Youtubers Network

spring-microservices. Example of a microservice architecture using Spring Cloud

PayloadsAllTheThings. A list of useful payloads and bypass for Web Application Security and Pentest/CTF

spring-data-redis-example-kotlin. Spring Data Redis with Kotlin

docker-elk. The Elastic stack (ELK) powered by Docker and Compose.

spring-cloud. Java

kafka-100-days. Java

aws-doc-sdk-examples. Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, and more. For more information, see the Readme.md file below.

pix-api. API Pix: a API do Arranjo de Pagamentos Instantâneos Brasileiro, Pix, criado pelo Banco Central do Brasil.

kafka-python. Python client for Apache Kafka

aws-sdk-java-v2. The official AWS SDK for Java - Version 2

get-route. A simple utility to calculate route between addresses

terraformer. CLI tool to generate terraform files from existing infrastructure (reverse Terraform). Infrastructure to Code

pyscript. An open source platform for Python in the browser. https://pyscript.net Docs: https://docs.pyscript.net/ Try it: https://pyscript.com/ Community: https://discord.gg/HxvBtukrg2

terraform-com-localstack. HCL

crowdfunding. JavaScript

system-design-primer. Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

guiadevbrasil. Um guia extenso de informações com um vasto conteúdo de várias áreas para ajudar, agregar conhecimento e retirar dúvidas, nesse guia você encontrará tudo que necessário para qualquer carreira relacionada a tecnologia.

youtube-dl. Command-line program to download videos from YouTube.com and other video sites

duckstation. Fast PlayStation 1 emulator for x86-64/AArch32/AArch64/RV64

cli. 🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

jib. 🏗 Build container images for your Java applications.

postman-to-openapi. 🛸 Convert postman collection to OpenAPI

kafka-streams-java. Kafka Streams course hands on

DeFi-Developer-Road-Map. DeFi Developer roadmap is a curated Developer handbook which includes a list of the best tools for DApps development, resources and references!

aws-dynamodb-encryption-python. Amazon DynamoDB Encryption Client for Python

Win-Debloat-Tools. Re-imagining Windows like a minimal OS install, already debloated with minimal impact for most functionality.

nft-marketplace. A NFT Marketplace built with NextJS, Hardhat and Solidity

c4noobs. Tutorial de C para iniciantes

dokku. A docker-powered PaaS that helps you build and manage the lifecycle of applications

sqlalchemy-aurora-data-api. An AWS Aurora Serverless Data API dialect for SQLAlchemy

aws-serverless-app-with-aurora-and-python-sql-alchemy-example. Python

sqlitebrowser. Official home of the DB Browser for SQLite (DB4S) project. Previously known as "SQLite Database Browser" and "Database Browser for SQLite". Website at:

java-advanced. Java

mangajj-app. Dart

samples-java-spring. Spring Boot samples

awesome-microservice. A curated list of Microservice resources

core-java-spring. Java

is_nude_api. Go

jikan. Unofficial MyAnimeList PHP+REST API which provides functions other than the official API

hacker-scripts. Based on a true story

weekly-learning-journey. Jornada de aprendizado semanal.

java4noobs. Repositório para auxiliar e introduzir iniciantes no Java

azure-spring-apps-training. Guides and tutorials to make the most out of Azure Spring Apps

log4j-shell-poc. A Proof-Of-Concept for the CVE-2021-44228 vulnerability.

git4noobs. Aulão de Git para iniciantes

serverless-architecture-boilerplate. :package: :zap: :rocket: Boilerplate to organize and deploy big projects using AWS API Gateway and AWS Lambda with Serverless Framework

act. Run your GitHub Actions locally 🚀

medusa. The world's most flexible commerce platform for agents and developers

IoT. Pagina da disciplina de Disruptive Architectures: IoT & IA

docker.labs. This is a collection of tutorials for learning how to use Docker with various tools. Contributions welcome.

kafka_problem. This repo is for solving kafka related problem

SpringBootForBeginners. Spring Boot Tutorial For Beginners

ciencia-da-computacao. 🎓 Um caminho para a educação autodidata em Ciência da Computação!

awesome-microservices. A curated list of Microservice Architecture related principles and technologies.

track-correios. 📦 Terminal track Correios

springboot-blog-rest-api. Source code of course - Building Real-Time REST APIs with Spring Boot

lambda-python. SignalFx AWS Lambda Python Wrapper

aws-sdk-java. The official AWS SDK for Java 1.x (In Maintenance Mode, End-of-Life on 12/31/2025). The AWS SDK for Java 2.x is available here: https://github.com/aws/aws-sdk-java-v2/

awesome-system-design. A curated list of awesome System Design (A.K.A. Distributed Systems) resources.

wsl2-docker-quickstart. Guia/Tutorial rápido do WSL2 + Docker

moto. A library that allows you to easily mock out tests based on AWS infrastructure.

spring-kafka. Provides Familiar Spring Abstractions for Apache Kafka

subdir-heroku-buildpack. Allows to use subdirectory configured via environment variable as a project root

youtube-dl-gui. Open Video Downloader - A cross-platform GUI for youtube-dl made in Rust with Tauri and Vue + Typescript.

podman. Podman: A tool for managing OCI containers and pods.

aws-lambda-api-gtw. Exemplos de como criar um API Gateway REST API com o Lambda e DynamoDB

java8. Java

presidio. An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

sqlmodel. SQL databases in Python, designed for simplicity, compatibility, and robustness.

spring-restdocs. Test-driven documentation for RESTful services

flutter-settings-ui. Create native settings for Flutter app in a minutes.

python-fire. Python Fire is a library for automatically generating command line interfaces (CLIs) from absolutely any Python object.

sabrebox. Python

sample-spring-microservices-new. Demo for Spring Boot and Spring Cloud microservices with distributed configuration (Spring Cloud Config), service discovery (Eureka), API gateway (Spring Cloud Gateway, Zuul), Swagger/OpenAPI documentation (Springdoc), logs correlation using Spring Cloud Sleuth/Micrometer OTEL and many more

cccat2_4. TypeScript

aws-services-learning. Repositório contendo informações sobre treinamentos e workshops AWS.

DescomplicandoDocker. Descomplicando o Docker, o livro.

linux. Linux kernel source tree

aws-cdk-examples. Example projects using the AWS CDK

analytics-node. The hassle-free way to integrate analytics into any node application.

vscode. Visual Studio Code

image-analysis. JavaScript

vscode-win-xp-theme. Win XP theme for VS Code

spring-petclinic-microservices. Distributed version of Spring Petclinic built with Spring Cloud

java-design-patterns. Design patterns implemented in Java

awesome-java. A curated list of awesome frameworks, libraries and software for the Java programming language.