LwM2M OPEN-SOURCE IMPLEMENTATION
The LwM2M community has developed several open-source implementations that provide reference designs, testing environments, and complete solutions for LwM2M client and server applications. These tools help developers, enterprises, and research institutions to accelerate their IoT deployments, ensure interoperability, and improve device management capabilities within the LwM2M ecosystem.
BENEFITS:
- ✅ Open-Source & Free – Accessible to everyone for experimentation, prototyping, and deployment.
- ✅ Standards-Compliant – Built in alignment with OMA LwM2M specifications to ensure interoperability.
- ✅ Diverse Implementations – Offers various client and server solutions to support different use cases.
- ✅ Active Community – Maintained by trusted organizations with continuous updates and improvements.
Below is a list of open-source LwM2M implementations that can be used for building, testing, and deploying IoT solutions.

Leshan
(Eclipse)
Java-based LwM2M server & client

Leshan Sandbox
Server Sandbox
Hosted environment for LwM2M testing

Wakaam
(Eclipse)
Lightweight LwM2M client for IoT

Zephyr
LwM2M Client
Real-time LwM2M for embedded systems

Anjay
AVSystem
Scalable & secure LwM2M client SDK

IOWA
IoTerop
Modular LwM2M stack for IoT devices