# Laxilef/OTGateway

> OTGateway is a powerful open-source solution for controlling OpenTherm-compatible boilers, turning your heating system into a smart one. Set the perfect temperature, save on energy bills, and eliminate unnecessary hassle — integration with Home Assistant makes heating management simple and automated.

## Fast Facts & Telemetry
- **Canonical URL**: https://githubrepo.cloud/repo/Laxilef/OTGateway
- **GitHub Source**: https://github.com/Laxilef/OTGateway
- **Global Rank**: #9,854 on GitHubRepo
- **Stars**: 467
- **Forks**: 85
- **Open Issues**: 15
- **Primary Language**: C++
- **Software License**: GPL-3.0
- **Last Commit / Push**: Oct 19, 2026
- **Topics**: esp32, esp8266, home-assistant, home-automation, homeassistant, hvac-control, mqtt, opentherm, opentherm-gateway, smarthome, thermostat, thermostat-controller

## Project Overview
OTGateway is an open-source project written in C++: OTGateway is a powerful open-source solution for controlling OpenTherm-compatible boilers, turning your heating system into a smart one. Set the perfect temperature, save on energy bills, and eliminate unnecessary hassle — integration with Home Assistant makes heating management simple and automated.

Engineered for speed, consistency, and developer ease, it solves common hurdles in esp32, esp8266, home-assistant. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

## Key Features
- Optimized execution pipeline written in C++ for predictable speed.
- Zero-friction configuration with comprehensive sensible defaults out of the box.
- Cross-platform runtime support across Linux, macOS, and Windows environments.
- Strong typing and modular architecture designed for easy extension and maintainability.
- Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
- Active community maintenance with regular dependency updates and security patches.

## Installation & Quick Start
### Linux
```bash
git clone https://github.com/Laxilef/OTGateway.git
cd OTGateway
```

### macOS
```bash
git clone https://github.com/Laxilef/OTGateway.git
cd OTGateway
```

### Windows
```bash
git clone https://github.com/Laxilef/OTGateway.git
cd OTGateway
```

## System Requirements & Architecture
- **Supported Platforms**: macOS, Linux, Windows
- **Runtime Dependencies**: C++20 compliant compiler (GCC 11+, Clang 13+, MSVC)
- **Architecture**: x86_64, ARM64 (Apple Silicon & Graviton)

## How It Works
OTGateway coordinates its core functionality through a modular C++ pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

## Production Use Cases
### Production System Integration
Embed OTGateway into C++ backend services to handle core application logic.

### CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.

### Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.

### Open Source Extension
Fork and customize internal modules under the repository's open GPL-3.0 license.

## Target Audience
Developers and engineering teams building with C++, seeking reliable, tested, and actively maintained tooling for production workloads.

## Strengths
- Active community backing with 467 GitHub stars and verified adoption.
- Permissive open-source distribution under the GPL-3.0 license.
- Built in C++ for high execution speed and developer familiarity.
- Cross-platform compatibility across modern Linux, macOS, and Windows environments.
- Clean modular design allowing flexible configuration and pipeline integration.

## Considerations
- Requires familiarity with C++ and modern CLI workflows.
- Ecosystem extensions may require manual configuration depending on environment constraints.
- Active development roadmap means breaking API changes may occur across major versions.

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