Bitcoin is a peer-to-peer electronic cash system that is completely decentralized, without the need for a central server or trusted parties. Users hold the crypto keys to their own money and transact directly with each other, with the help of a P2P network to check for double-spending.
CK-ERP is an accounting, educational, MRP, ERP, and CRM system that runs on top of multiple middlewares. It comprises 32 modules - Contact Management, Customer Relationship Management, Customer Self Service, Vendor Relationship Management, Material Requirement Planning, Warehouse, Inventory, Service, Accounting Ledger, Bank Reconciliation, Accounts Payable, Accounts Receivable, Purchase Order, Sales Order, Quotation, POS for Cashier, POS for Manager, Human Resources, Staff Self Service, Payroll, Administration, Internationalization, Access Control, Data Import, Teacher, Counsellor, Student, Applicant, Family, Registrar, Edu Administration, and Volunteer Management.
Cream is a multilingual customer relationship management (CRM) system for media organizations. The application tracks sales orders, payments, shipments, services, online and print subscriptions, and the effectiveness of promotional campaigns through its easy-to-use reporting and analytical functions. Cream features a powerful module for communication with customers, including incoming and outgoing email, template-based HTML newsletters, and a WYSIWYG editor.
Dolibarr is a simple Web application with ERP and CRM capabilities. It is designed for small and medium companies, freelancers or foundations, and can be used to deal with all things you require to manage your activities, such as management of products, stocks, commercial proposals, invoices, orders, members of a foundation, and mailings. A single executable that installs the server and database is available for people with no technical knowledge.
Fairmat is a derivative and capital investments modelling tool. It permits you to build a pricing model for many financial projects (or derivative contracts) using a graphical representation blended with a high level algebraic language. It is also possible to use it to evaluate projects and perform real options valuations. The platform can be extended using a plug-in system.