Wormhole Web Conference is an online conference platform. ...more

Plouder provides international calling facility. ...more

iRedMail is a free, OpenSource mail server. ...more

MicroSIP is a portable SIP softphone based on the PJSIP stack available for Microsoft Windows. ...more

Zello is an application for push-to-talk (PTT) walkie-talkie for consumers and business and available for Android, iOS, Blackberry, Windows Phone, Windows PC, rugged mobile devices and two-way radios. ...more

Jitsi Meet is an open-source (Apache) WebRTC JavaScript application that uses Jitsi Videobridge to provide high quality, scalable video conferences. ...more

Windows Essentials (formerly Windows Live Essentials and Windows Live Installer) is a suite of Microsoft freeware applications that includes e-mail, instant messaging, photo sharing, blogging, and parental control software. ...more

Glympse is a fast, free, and simple way to share your location in real-time. You set who sees you and for how long. ...more

C3 makes it easy to generate D3-based charts by wrapping the code required to construct the entire chart. ...more

iMessage is an instant messaging service. ...more

ooVoo is a video chat and an instant messaging client. ...more

Fring connects with Skype, MSN Messenger, ICQ and Google Talk from your iPhone. ...more

HipChat is a web service for internal private online chat and instant messaging. ...more

FaceTime is a proprietary videotelephony product developed by Apple Inc. FaceTime Audio is an audio-only version. ...more

Yahoo! Messenger (sometimes abbreviated Y!M) is an advertisement-supported instant messaging client and associated protocol provided by Yahoo. ...more

LINE is a new communication app which allows you to make free voice calls and send free messages whenever and wherever you are. ...more

K-9 Mail is an open source email client with support for multiple accounts, search, IMAP push email, multi-folder sync, flagging, filing, signatures. ...more

Imo free video calls and chat is a kind of Communication apps for Android. ...more

Facebook is the world's largest social network platform. ...more

Telegram is a free cloud-based instant messaging platform. ...more

Hangouts is an instant messaging software developed by Google. ...more