Conference-Rooms.US and The Virtual Office is Apache OpenMeetings
Apache OpenMeetings
Applications / Collaboration / Groupware / Communication
OpenMeetings is a web conferencing solution: useful for business or for education and training.
Features
Here is a non-exhaustive list of its features:
Video / Audio;
Desktop sharing with all participants;
Multi-language (19 languages currently) and customizable;
Whiteboard with the possibility to draw, write and edit, resize, drag & drop, add image and symbol;
Import of documents (.tga, .xcf, .wpg, .txt, .ico, .ttf, .pcd, .pcds, .ps, .psd, .tiff, .bmp, .svg, .dpx, .exr,. jpg, .jpeg, .gif, .png, .ppt, .odp, .odt, .sxw, .wpd, .doc, .rtf, .txt, .ods, .sxc, .xls, .sxi, .pdf) ;
Sending invitations with a direct link to the conference;
Moderation system;
Moderation system by user / organization;
Backup module;
Language editing module;
Public and private chat.