🐠 Beats - Lightweight shippers for Elasticsearch & Logstash

📲cim(cross IM) 适用于开发者的分布式即时通讯系统

基于Netty+TCP+Protobuf实现的Android IM库，包含Protobuf序列化、TCP拆包与粘包、长连接握手认证、心跳机制、断线重连机制、消息重发机制、读写超时机制、离线消息、线程池等功能。

[C/C++] Run Netkeeper on OpenWrt Device

twitter like animation for any view 💓

Docker Compose for Elasticsearch and Kibana

Android Application that can estimate Heart rate, Blood pressure, Respiration rate and Oxygen rate from only the camera of the mobile

An Arduino Library for the MAX3015 particle sensor and MAX30102 Pulse Ox sensor

A PulseSensor library (for Arduino) that collects our most popular projects in one place.

Compare files from various activity trackers

A Lightweight Socket Service with heartbeat, Can be easily used in TCP server development.

Official Beats Docker images

Open-source device for measuring cardiograpgy signals with a GUI for easier handling and additional software for analyzing the data.

Giving the Elastic Stack a try in Vagrant

干净的springboot-netty，google protocol buffer，根目录下我给你放了一本《Netty实战（精髓）》，test下关于同步回调和异步回调、JUC和NIO(RPC我也加进来了)的一些讲解的方法代码

Go implementation of different backoff strategies useful for retrying operations and heartbeating.

Server monitoring plugin for Hangfire.

Periodically schedule a job to send a heartbeat to a monitoring system.

Listen to Tux's heartbeat with this awesome Linux Kernel Module ❤️

The Best Way to Get Started with your PulseSensor and Arduino