Top 9 Java internet-of-thing Projects

paho.mqtt.android

1 2,827 2.5 Java

MQTT Android (by eclipse)
paho.mqtt.java

4 2,024 2.6 Java

Eclipse Paho Java MQTT client library. Paho is an Eclipse IoT project.
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
Fetch

1 1,598 0.0 Java

The best file downloader library for Android (by tonyofrancis)
openhab-core

1 874 9.5 Java

Core framework of openHAB
hivemq-mqtt-client

2 805 4.4 Java

HiveMQ MQTT Client is an MQTT 5.0 and MQTT 3.1.1 compatible and feature-rich high-performance Java client library with different API flavours and backpressure support
californium

1 712 8.6 Java

CoAP/DTLS Java Implementation
leshan

2 630 9.1 Java

Java Library for LWM2M
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
ditto

1 581 9.8 Java

Eclipse Ditto™: Digital Twin framework of Eclipse IoT - main repository (by eclipse-ditto)
firmata4j

1 86 2.9 Java

Firmata client written in Java.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).