DKMessenger is a free peer-to-peer messenger with video, Voice Over IP, text chat, whiteboard, application sharing and file transfer capabilities. If you have a microphone and a camera hooked up to your PC, DKMessenger works as a free videophone.

Change your voice over Internet and PC Phone; Talk in male, female, teen, baby voice to have online fun in chat room; Create many voices for movie; Also change music; Record chat, phone, internet radio, music; Add effects to enhance voice or background; Compare changed voice to another's voice for simulation purpose; Compatible with YIM, MSN, AOL, ICQ, PalTalk, Odigo, Netmeeting, Roger Wilco, and media players, CD players, Karaoke players

Phoner is a free softphone for ISDN and VoIP telephony. An answering machine and Text-To-Speech support complete the large package.

FREE Worldwide PC-to-PC communications using: voice, video, online/offline text messaging, text chat and file transfer, all secured using AES 256 bit encryption. Other features include activity notifications and privacy mode. For corporate V.O.I.P. peering solutions, UtilityPhone can supply a private contact server so that a corporation can limit communications within their own private group. Subscribers may fix/lock their User I.D..

Embedded Windows CE VOIP Developers Kit is your embedded?telephony solution for developing software/hardware to enable device to device phone calls using SIP/H323 phone right at the electronics level. The design is based on Hybrid Combination of RFC SIP Protocol and Windows RTC and is today successfully ported to Windows CE/Pocket PC/Smart Phone.

HotRecorder allows you to record and add emotisounds (lively sound effects) to voice communications held over the Internet. HotRecorder also includes voicemail for Skype and Google talk. HotRecorder is an application that works in conjunction with Skype, Google Talk, Yahoo! Messenger 7, AIM, Net2Phone, and FireFly without diminishing these applications functionalities.

VidSpeak is a free multipoint video conferencing application for your PC. Use your broadband connection to video and audio conference with more than one person at a time. Free for personal use.

VCX library is a set of ActiveX controls designed for developers of audio streaming projects, such as voice chat, web chat, multi-client conferecne and similar applications. Efficient components for real-time sound recording, playback, encoding, mixing, reading and writing wave files, volume controls access. Low latency server and client components for peer-to-peer, multi-client and broadcast audio communications over TCP/IP networks.

VoIPerized is a so called VoIP (Voice over IP) program. VoIPerized enables you to make free audio calls to other people who also run VoIPerized. When making VoIPerized the focus was to minimize the latency, because other VoIP programs always seemed to have an irritating lag which makes the conversation seem unnatural. By using the open source Speex audio codec the audio quality is far higher than any normal telephone call.

v-Phone is a feature-rich VoIP Internet-Phone software. v-Phone customers can talk to each other by voice or video calls, including multi-participant conference calls, send SMS and MMS messages, and more, completely free! Additional features of v-Phone allow our customers calling regular and cellular phones worldwide at great rates, sending SMS messages to cellular phones, a built-in answering machine with Web access, and other exciting features