Top SERVICES GitHub Repositories & Tools (2026)

SmallRye Config - A Java Configuration library

A general purpose Distributed Systems Framework

📝 We write about our technologies and the problems we handle at scale.

.Net Building Blocks

A fast TUI to see the status of all git repositories on your machine.

Golang client for NATS, the cloud native messaging system.

Cross-platform Electron desktop client for Meshtastic, MeshCore, and Reticulum on macOS, Linux, and Windows with multi-language support, BLE, USB serial, Wi‑Fi/TCP, MQTT, local SQLite history, and routing diagnostics. EMCOMM support via MECP & TAK.

The Open Source Computer Aided Dispatch (CAD), Personnel, Shift Management, Automatic Vehicle Location (AVL) and Emergency Management Platform that powers Resgrid.com

Microservices library - scalecube-services is a high throughput, low latency reactive microservices library built to scale. It features: API-Gateways, service-discovery, service-load-balancing, the architecture supports plug-and-play service communication modules and features. built to provide performance and low-latency real-time stream-processing

Universal HTAP Engine

Apache StreamPipes - A self-service (Industrial) IoT toolbox to enable non-technical users to connect, analyze and explore IoT data streams.

.NET Components for Externalized Configuration, Database Connectors, Service Discovery, Logging and Distributed Tracing, Application Management, Security, and more.

Browse the sample apps demonstrating Aspire integration across C#, JavaScript, TypeScript, Python, Go, containers, databases, cloud, AI, and observability scenarios.

Core package for defining and running durable workflows and activities. Supports long-running persistent workflows, retries, queues, parallel execution, workflow monitoring, dedicated storage connections, and orchestration for microservices, data pipelines, sagas, agentic workflows, and other complex business processes.

This repository is for active development of the Azure SDK for Java. For consumers of the SDK we recommend visiting our public developer docs at https://docs.microsoft.com/java/azure/ or our versioned developer docs at https://azure.github.io/azure-sdk-for-java.

Production-ready C++ Asynchronous Framework with rich functionality

🐻 The multi-zone service mesh for containers, Kubernetes and VMs. Built with Envoy. CNCF Sandbox Project.

Integration with Netflix OSS components

Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0.

Micronaut Application Framework