AvantFAX allows users on any platform to view and send faxes without having to install special software. It also allows administrators to manage users, their permissions, fax lines, fax categories, etc. AvantFAX can be accessed from the local network and remotely via Internet using standard networking equipment.
Faxfrontend is a clean way to print to fax while using a desktop. It provides a GUI interface to print to fax using CUPS to Hylafax. When you print, a box pops up that lets you provide the fax number or find the number to use from the built in address book. It can also run as a standalone application to fax files or just a cover sheet.
Gemeinschaft is a PBX based on Asterisk, MySQL, Apache, and PHP, and designed for high availability and clustering. It provides automatic provisioning for mass deployment, and can handle over 10,000 users. Administration is done via shell scripts or a Web GUI. Hot-desking and mobility are supported. German voice prompts are included. There is a standards-compliant Web GUI with internationalization (and German and English translations). Outbound and inbound routing with full PCRE support is included.
The Taridium ipbx is a complete software-based VoIP PBX system that replaces a traditional proprietary hardware PBX. It runs on Linux without the need for extra software licenses, and is based on the SIP standard. It supports many phones and is available for free in a 5 user version.
HERMESfax is a fax document management system that offers simple workflows and feature-rich possibilities. Features include sending and receiving faxes, forwarding faxes between users, management of user documents, workflow management, and supervising the service. It is a Web-based application offering: persistence of historical documents in an SQL database (MySQL and PostgreSQL), filesystem load balancing, multi-user access, privacy and security of documents, and hierarchical management of workflows.
Collax Groupware Suite is a complete collaboration, e-mail, and messaging server with Outlook MAPI support. It offers enterprise email server functions, anti-spam and anti-virus filters, GUI management, a file server for SMB, NFS, FTP, and Apple shares, backup/restore server, IM server, and fax and SMS server. The groupware offers AJAX Web mail, calendar, team calendar, contacts, and tasks, and supports ActiveSync for mobile devices. It is free for private or commercial use of up to five users.