iDempiere. Community Powered Enterprise
iDempiere Business Suite ERP/CRM/SCM done the community way. Focus is on the Community that includes Subject Matter Specialists, Implementors and End-Users.
iDempiere is based on original Compiere/Adempiere plus a new architecture to use state-of-the-art technologies like OSGi, Buckminster, zk.
Aimeos PHP ecommerce framework for ultra fast online shops
...The engine is built in PHP and focuses on performance and maintainability, making it suitable for medium to large businesses that need seamless integration with existing systems like ERP or CRM.
z9 is a simple client-server ERP framework,
based on a Python/PyQt modular smartclient and a PHP+SQL RESTful web service,
created for the "opificio zeronove" bike shop application.
Unlimited organizations, 3 enterprise SSO connections, role-based access control, and pro MFA included. Dev and prod tenants out of the box.
Auth0's B2B Essentials plan gives you everything you need to ship secure multi-tenant apps. Unlimited orgs, enterprise SSO, RBAC, audit log streaming, and higher auth and API limits included. Add on M2M tokens, enterprise MFA, or additional SSO connections as you scale.
Extensible highly scalable ERP with encrypted XML backend; allows binding of any frontend (.NET,MONO,Java...).PlugIns:Contact management,disposition,invoices,reports,commAddon (e-mail,fax,TAPI,buddies,chat),osCommerce,StoreNuke, eBay,Amazon...
A Windows System Framework in a browser. Any one can implement the Information Management System, such as ERP, CRM, SCM, MIS, etc. based on this project. The developers can make the web applications from B/S style to C/S style by the wrapper of AJAX.
Advanced, enterprise-class J2EE Customer Relationship Management (CRM) suite including Sales Force Automation (SFA), marketing, campaign management, and customer service. Features similar to Salesforce.com, Netsuite, or Siebel OnDemand.
Open For Government is an open source enterprise automation framework. By open source enterprise automation we mean: Open Source ERP, Open Source CRM, Open Source E-Business / E-Commerce, Open Source SCM, Open Source MRP, Open Source CMMS/EAM, etc.