b2b

Holodeck B2B is an AS4 system-to-system messaging solution that implements the OASIS specifications for ebMS3 and it's AS4 profile. For more information visit the project website

The Business Partner Agent is a SSI wallet and controller based on aries cloud agent python.

Enterprise B2B CRM demo application with AI features based on Jmix

Basically J-Pharma Android App was my University FYP, the main idea was to connect the medicine company to whole seller through app for managing orders.

Trusted Shops Android SDK

The Intershop Order Management Blueprint Project is a demo project for demonstration purposes and for learning project development of the Intershop Order Management.

A Holodeck B2B Extension that allows Pull Requests to be triggered by the back-end application.

Row-level data permission for Spring Boot + MyBatis. 5-minute integration, zero business code intrusion. 4 built-in scopes: ALL / Own Org / Own + Children / Self. Auto-injects WHERE conditions into SQL.

B2B enterprise architecture design pattern library — reusable architecture solutions refined from production systems. Includes design documents, a reusable Spring Boot Starter library, and production-validated architecture patterns.

B2B embedded payment platform built with Spring Boot. Provides merchant registration, API credential generation, transaction management, standardized error handling, and 2FA capabilities, backed by MySQL and Docker. Developed as a multidisciplinary project focused on software architecture, quality, security, databases, and web engineering.

An enterprise-grade B2B SaaS subscription and customer management system featuring a state-driven billing engine, real-time metrics dashboards, and advanced filtering. Built as a high-performance monorepo with Java 25 / Spring Boot 4 and React 19 / Vite 8

Official Java SDK for the Cleanlist API (v2) — OkHttp/Gson client for B2B lead discovery, waterfall enrichment, lead lists, smart agents, and export.

Mobile B2B application for SoftOne orders

Java CLI to extract every public email behind a website, domain, or company. Powered by the Tomba Domain Search API.

myorganization-java is the official Java SDK for the Auth0 MyOrganization API, providing strongly typed and idiomatic access to organizations, members, roles, invitations, and related resources.

Open source B2B prospecting framework — Spring Modulith modular monolith with Spring AI; module boundaries verified by tests

Arka — B2B e-commerce platform for a Colombian PC accessories distributor expanding to LATAM (Java/Spring).

A B2B income calculator with Polish tax rules.

A back-office admin web UI framework on top of Reactive Server Pages.

A fully open-source B2B2C e-commerce microservices platform built with Spring Cloud and modern mainstream technologies, featuring a new UI and complete order workflows. It supports clustering, service discovery, and is ideal for secondary development with no secondary encapsulation.