aws-c-mqtt ☆
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Description:
C99 implementation of the MQTT 3.1.1 specification
Type: Formula  |  Latest Version: 0.13.3@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  @AWS  |  formulae.brew.sh
Category: Networking
Tags: mqtt iot networking c-library aws messaging
Install: brew install aws-c-mqtt
About:
aws-c-mqtt is a high-performance C99 library that implements the MQTT 3.1.1 protocol specification. It provides a robust client for publish/subscribe messaging, designed for IoT and cloud applications. The library integrates seamlessly with the AWS SDK for C, handling connection management and TLS security.
Key Features:
  • Full MQTT 3.1.1 specification compliance
  • Integration with AWS IoT Core
  • Automatic reconnect and offline message queuing
  • Low-overhead C99 implementation
  • TLS/SSL secure connectivity
Use Cases:
  • Building IoT device firmware for sensor data telemetry
  • Creating high-throughput MQTT brokers or clients
  • Integrating secure messaging into embedded systems
  • Developing cloud-native applications requiring MQTT
Alternatives:
  • Eclipse Mosquitto – Mosquitto is primarily a broker, whereas aws-c-mqtt is a client library focused on C integration.
  • Paho MQTT C – Paho is a general-purpose client, while aws-c-mqtt offers deeper optimization for AWS services.
License: Apache-2.0
Dependencies: aws-c-common, aws-c-http, aws-c-io
Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux
Version History
Detected Version Rev Change Commit
Sep 11, 2025 4:16am 0 VERSION_BUMP 32d7e4b7
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