Free billings software for linux

Jbilling is a recurring billing system, targeting companies that periodically charge their customers for services. It calculates and generates the invoices, handles automatic payment processing with credit cards and notifies the customers about the status of their accounts.
It is web-based, once it is installed in a single server, it can be accessed with a web-browser from any computer in network with the server. If the server is connected to the internet, then the billing system is accessible from any computer connected to the internet.
Enhancements:
- The release notes are in the document release_notes.pdf, which is located in the root directory of the binary distribution (jbilling-1_0_8.zip)

abill is a simple billing system for small ISPs. It improves RADIUS authorization and accounting modules, mail traffic, tariffs, Web user statistics, and administration management tools.

AstBill is not only a web-based, user friendly billing interface for Asterisk and VOIP. The project is also a Asterisk configuration and GUI management tool and a standardized implementation of Asterisk using REALTIME and static configuration as you please.
AstBill is open source software licensed under the GPL, and is maintained and developed by a community of users and developers. AstBill is free to download and use. If you like what AstBill can do for you, please work with us to expand and refine AstBill to suit your needs.
User-friendly End User Web interface gives access to a range of functionality:
- Personal Contact Directory with Categories
- View SIP, IAX and Virtual Accounts
- Virtual Accounts You can forward your calls to any extension you want
- Time based forwarding and Billing for Asterisk and VOIP
- Credit Control on outgoing calls
- Show Balance, Expenditure, Payments and number of Calls on each account
- Set warning balance for email when low credit on account
- View Numbers Dialed and add them to the Contact Directory
- View Numbers Dialed by Names from the Contact Directory
- Dynamic International Rate Table (Each customer can have his own price list using Brands)
- Rate Table in Currency of choice
- Call Data Records including cost of each call and time based billing
- Call Data Records in his Currency of choice
- Switchboard (Displays live status of users phones and ongoing calls)
- Allows one click calling from GUI and direct to phone
- Call Parking sends calls to parking and then redirects to phone
- Allows transfers of calls
- Edit your Account setup
- Asterisk Billing and Management
- Edit voicemail setup including email and pin
- Create Time Based Dialing and billing. You to forward your calls based on time and day.
- Each user can have unlimited of SIP, IAX and Virtual Accounts
- Each user can have unlimited Prepaid Card Accounts linked to his userid
- Specify your hardware and change the viewable name of your accounts
- Temporary disable SIP, IAX or Virtual Account
- Manage your Incoming Public Numbers including Time based forwarding
User-friendly Administrator Web interface gives access to a range of functionality:
- Show Balance, Expenditure, Payments and number of Calls on each account
- Call Data Records including cost and Sales on each call
- Branding Module. Allows you to create Brands in any Currency
- For each Brand define Currency, Billing Increment, mark-up and connection charges
- Flexible Dynamic International Rate Table for Each Brand in any Currency
- Server Status (Displays live status of users phones and ongoing calls)
- Show Peers. List of the last clients(SIP and IAX2) that have connected to the Asterisk server.
- Audit Trail. Show IP, Port and UserAgent for each call
- Manage your Incoming Public Numbers including Time based forwarding
- Manage Trunks. You can use unlimited ZAP, IAX and SIP trunks.
- Time Based Trunk Dialing. Each trunk can have his own time based dialplan
- Temporary disable trunks
- Trunks can be rated after cost. Allow for cost based Dialing
- Define maximum concurrent outgoing calls on each trunk
- If lowest cost trunk is fully used (busy) the system will choose the next available trunk.
- Define unlimited outgoing routes and link them to your trunks
- Store cost of your outgoing route for each trunk for efficient cost control
- All outgoing routes are stored independent on the client price list
- Define customer price lists for each Brand and Currency
- Billing Routing and Management software for Asterisk and VOIP
- Advanced customer management and portal management
- Integrated E-commerce module and web shop is available under GPL
- Define list of VOIP hardware commonly used
- Full Hardware Inventory. Store mac address and serial numbers of client hardware
- View and Store Customers payments
- Asterisk Billing and Management
- Manage Pre Paid and Post Paid customers. Full Credit control by User Account
- View important Server logs from web interface
- Define maximum concurrent calls on each Customer Account

Inmersa is a complete and integrated back and front office solution. The project uses a Web-based interface to provide ERP, CRM, a Web portal, a store front with a content management system, and portal creation.
Among other features, Inmersa delivers sales, purchases, dashboards, scorecards, mail reports, billing, finances, services, self services, user roles, inventory, electronic picking, warehouses, orders, budgets, and delivery notes.
Enhancements:
- This is the first release under an open source license.

SQL-Ledger Accounting project is a double entry accounting system. Accounting data is stored in a SQL Server, for the display any text or GUI browser can be used. The entire system is linked through a chart of accounts. Each item in inventory is linked to income, expense, inventory and tax accounts. When items are sold and purchased the accounts are automatically updated.
With the assembly feature you can build manufactured goods from parts, services, labor units and assemblies. When the assembly is sold all the accounts linked to the individual parts, services, labor units and assemblies are updated and stock levels adjusted accordingly.
Invoices, Packing List, Income Statement, Balance Sheet, Sales, Work and Purchase Order, Statements, Receipts and Checks are generated from templates and can be changed to suit your needs. Templates are provided in html, tex and text format. The tex templates are processed with latex to produce postscript and PDF documents. Documents can be sent to a printer, file or fax, displayed with a PDF viewer or sent by email.
The translation mechanism for items and foreign language templates can be set for each customer/vendor so it is possible to generate invoices in a foreign language without knowledge of a foreign language. This translation facility can also be used to generate different forms for a group of customers/vendors.
DWS Systems Inc. is the developer of SQL-Ledger and provides ongoing support and customizations. SQL-Ledger is licensed under the GPL license, and is free software.
SQL-Ledger can be used on any UNIX, Mac OS X and Windows computer.
SQL-Ledger is written in Perl, developed on FreeBSD and Linux with Galeon, Konqueror, Netscape, Lynx, Links, W3M, Voyager, Explorer to render the display, Apache, thttpd, boa to communicate between the server and the browser, and PostgreSQL, Oracle, or DB2 to store accounting data.
Languages:
- English
- Arabic (Egypt)
- Bahasa Indonesia
- Brazilian Portuguese
- Catalan
- Chinese (Simplified)
- Chinese (Traditional)
- Czech
- Danish
- Dutch
- Estonian
- Finnish
- French
- German
- Greek
- Hungarian
- Icelandic
- Italian
- Latvian
- Lithuanian
- Norwegian
- Polish
- Portuguese
- Russian
- Spanish
- Swedish
- Turkish
- Ukrainian
Main features:
- Accounts Receivable
- Accounts Payable
- General Ledger
- Inventory Control
- Billing / Invoicing
- Time Cards
- Recurring Invoices
- POS
- Check Printing
- Purchase / Sales Orders
- Customizable Taxes
- Multi-user
- Multi-company
- Audit Control
- Foreign Currency
- Internationalization
- Access Control
- SQL server backend
- Customizable Templates
- Customers
- Vendors
- Assemblies (BOM, kits)
- Chart of Accounts
- Customizable Reports
- Financial Statements
- Administration Module
- Backup to file/email
- Application Interface
- Use on Handheld

daloRADIUS is an advanced RADIUS web management application aimed at managing hotspots and general-purpose ISP deployments. The project features user management, graphical reporting, accounting, a billing engine and integrates with GoogleMaps for geo-locating.

daloRADIUS is written in PHP and JavaScript and utilizes a MySQL database. It is based on a FreeRADIUS deployment with MySQL serving as the backend. Among other features it implements ACLs, GoogleMaps integration for locating hotspots/access points visually and many more features.

Asterisell project is a Web based application for viewing, rating, and billing Asterisk VoIP calls.
Usage Scenario:
- you are a vendor of Voice over IP Telephony services (VoIP)
- your customers call other users who can reside on different telephone networks
- your customers pay you for this service
in order to route the calls on particular networks you have to use the services of other vendors
- you are a customer of others vendors
- you pays others vendors for this service
So Asterisell views you (the VoIP service provider) as a reseller of others vendors services. It permits to associate for every call a cost and an income. The cost is what the customer pays to the service provider and the cost is what the service provider pays to other vendors in order to route the call.
Main features:
Customer features:
- report of calls with aggregate totals
- many filter-criteria
- different sort-criteria
- export to CSV and MS Excel document
- many VoIP accounts associated with the same customer
Administrator features:
- input fields are secure from intrusion attempts
- each customer could have a cost limit for the last 30 days
- informal currency conversion table for the test of cost limits
- administrator is advised via email if a customer pass its cost limit
- different cultures for each VoIP account or Customer
- prices and messages are displayed in the specified culture
- customers can be grouped into different price list categories
- different rate methods applicable to different time periods, customer categories, destination gateway channels, destination telephone network etc..
- customizable rate methods adding PHP Class respecting a specific interface
- generation of customer invoices
- delivery of emails with invoice details to customers
- support bulk generation of invoices and emails to all customers with associated incomes
- support for multi-currency invoices (not yet tested)
- problems during rate process are reported and signaled via email to the administrator
General features:
- multi-culture and locales support (it_IT, en_US, ecc..)
- multi-currency support (not yet tested)

The vii-ppp-scripts are yet another set of ppp scripts. They feature handling multiple ISPs, autosetting DNS from ISP, ability to have a different resolv.conf for each connection, phone billing and chatscripts.
It is lacking of:
Graphical interface
Friendly set-up
Explicit multiple modem support
Main features:
- No need to set nameservers manually; either get them automatically from the ISP (/etc/ppp/dns-resolvconf-up) or use a local named (/etc/ppp/dns-named-up)
- Support for multiple ISPs; nameservers can be manually set separately for each if theyre not given (/etc/ppp/dns-resolvconf-up)
- More or less setup for UK ISP OneTel.Net already.
- pppd options file nicely set up for fast performance
- Customizable phone bill cost tracker, logged by user (/etc/ppp/ppp-connect)
- Nice chat scripts, showing what happened on error (/etc/ppp/dial)
- Initiating user can have programs executed when ppp comes up and goes down.