Nimbuzz has been discontinued. Similar apps include Signal, which is free and open source. Other options are Telegram, WhatsApp, Wire and Jitsi Desktop. Instant Messengers like Nimbuzz are a crowded field, with more than 50 alternatives for Android, iPhone, Mac, Windows and iPad.
Zoiper IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X) softphone is a VoIP soft client, meant to work with any IP-based communications systems and infrastructure.
Bulgaria
EU
Virtual phone system for businesses with inbound and outbound calls, CRM integrations, virtual phone numbers, SMS and more.
United States
WowApp helps you do good through the Power of Sharing. We share all revenues with you. WowApp Messenger is free and you can receive earnings without ever spending money.
Hong Kong
VoipStunt is a free program that uses the latest technology to bring free and high-quality voice communications to people all over the world. When you use the free VoipStunt software, you can call regular phones in various popular destinations for free or call at an incredible...
Messenger for Desktop is a wrapper for the official client messenger.com. Therefore it works like a regular browser which can only navigate to the messenger.com web app. MFD doesn't touch your messages, account or personal data. All that is handled securely by Facebook.
RomaniaEU
SafeSwiss The world’s most effective end to end encryption security solution including P2P Voice, encrypted email, encrypted storage, ephemeral text chat, docs share & group chat for mobile phone devices and PC's.
Switzerland
Instant messaging with voice and video options, live group video chat for up to 10 participants, public and private rooms, interest communities, mobile and desktop access, user-created rooms, moderation tools, and options for anonymous participation.
United States
Telephone allows you to make phone calls over the Internet or your company network. If your phone line supports SIP protocol, you can use it on your Mac instead of a physical phone anywhere you have a decent network connection.
United States
YateClient is a free Voip Client (SIP / IAX / GVoice) and Instant Messenger (Facebook / GTalk / Jabber), with it you're permanently connected on multiple chat and telephony accounts.
AVAILO is a business communication app for teams. One place for internal and external communications, open groups for your team members, service providers and customers, with real time messaging, share emails, folders and files, in a simple way.
United Kingdom
Spreed is the worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Flash Player. Free service includes 3 attendees and max 1.5h meetings. Single events or monthly service can be purchased.
GermanyEU
Free live webcam video chat room software for multiple desktop platforms including mobile platforms like iOS and Android.
United States
Luxembourg
