SteVe - OCPP server implementation in Java. Your trusted open-source EV charging station management system since 2013. Used by CPOs, manufacturers and developers worldwide. Managed cloud →

OCPP Central System and Charge Point emulator.

A modern, extendable OCPP 2.0.1. charging station management system

OCPP Server with GUI, CLI, Groovy

A secure, lightweight OCPP proxy server designed as a Home Assistant add-on that enables intelligent EV charger sharing. Supports both OCPP 1.6 and OCPP 2.0.1 protocols with automatic version detection.

An OCPP 1.6 and 2.1 compliant Charging Station Management System for managing EV charging infrastructure. Handles real-time WebSocket communication with charging stations, OCPI 2.2.1/2.3.0 roaming, ISO 15118 Plug and Charge, a REST API for operators, and two React frontends for operators and drivers.

Boilerplate code for an OCPP central system to quickly get it running.

OCPP Central System as Service

Type-safe OCPP WebSocket RPC client & server with pub/sub, session management, and clustering support

OCPP gateway service for the Eveys EV-charging platform. Owns every charger's WebSocket connection; exposes gRPC + Kafka events + a REST API for the rest of the platform.

SolarNode OCPP support