# OpenBRM

> OpenBRM is an open source telecom billing system and BSS for ISPs, MVNOs, VoIP providers, operators and subscription businesses. It covers usage rating, subscription management, invoicing, payments, CRM, SIM/MSISDN/device inventory and a self-service storefront in one self-hosted deployment, with no licence fee. Built and supported by Saralam Technologies.

Key facts:
- Licence: open source, free to download and self-host; hosted trials and implementation support are available from Saralam Technologies.
- Stack: Java application on Tomcat with PostgreSQL; can start on a single server.
- Rating: OpenRate rates CDRs in batch or real time (delimited, fixed-length, TAP, ASN.1; Diameter and RADIUS interfaces).
- APIs: REST and SOAP APIs covering the same business entities as TM Forum Open APIs (not a certified TMF implementation).
- Positioning: a lighter, open source alternative to Oracle Communications Billing and Revenue Management (Oracle BRM). Not affiliated with Oracle.

## Product
- [Home](https://openbrm.com/): overview of the platform and features
- [Open source BSS](https://openbrm.com/bss.html): billing, CRM, inventory and storefront in one BSS
- [Rating engine](https://openbrm.com/rating-engine.html): telecom CDR rating with OpenRate
- [Subscription management](https://openbrm.com/subscription-management.html): plan changes, upgrades, cancellation, provisioning hooks
- [Product bundling](https://openbrm.com/product-bundling.html): bundles and plans
- [Inventory manager](https://openbrm.com/inventory-management.html): SIM, MSISDN, modem and IP pool inventory
- [Built-in CRM](https://openbrm.com/crm.html): quotes, tickets and notifications
- [Self-service storefront](https://openbrm.com/ecommerce.html): sell products online
- [Integrations & APIs](https://openbrm.com/integrations.html): REST/SOAP APIs, payment gateways, TMF mapping
- [Oracle BRM alternative](https://openbrm.com/oracle-brm-alternative.html): OpenBRM vs Oracle BRM on licence, cost, APIs and footprint

## Get started
- [Download](https://openbrm.com/download.html): latest release and source code
- [Documentation](https://openbrm.com/documentation.html): user guide
- [Services](https://openbrm.com/services.html): implementation and support
- [Contact](https://openbrm.com/contact.html): trials, pricing and migration questions