Google Voice!

Twilio is a web-service API that lets you use your existing web languages and skills to build voice and SMS applications. We focus on building a simple, powerful, pay-as-you-go communications platform so that you can focus on what you do best.

Line2 is a VoIP phone service that lets you call & text from a separate phone number via WiFi or 3G/4G/LTE. At a small premium, Text & call ANYONE in the US/Canada, forwarding & more. Pick any phone number.

MightyCall is a virtual phone system that will help your business stay connected with your customers.

Need Disposable and Temporary Phone numbers?

RingCentral delivers high quality, reliability and value that's expected by Enterprise businesses through RingCentral Office, an all-inclusive cloud phone system containing HD video meetings, unified voice, fax, text, and audio conferencing.

Phonebooth is a web-based phone system that routes your calls to any landline or mobile phone number you choose. Users receive a free local phone number to give out to customers and clients. Calls made to your Phonebooth number are automatically routed to your private number and can be directed by an automated voice tree system. The free version comes with 200 minutes of free inbound calling and a contact widget for your website. It can also transcribe up to 50 voicemails to email or text. The paid version provides conference calling, detailed call records, 24-hour tech support, and unlimited local and nationwide calling. »

VideoMeeting is a free and open source video conference solution built to have video calls and chats using your web browser. It is deployed on top of hubl.in. It is a pure web application based on WebRTC that can provide communication features within your web browser without needing to install anything.

Telzio is the most flexible and easy-to-use business phone system in the world, with full PBX features, mobile integration, and web management capabilities. Telzio is the only place where you can set up a complete business phone system within minutes. Our game-changing interface will have you building phone menus, queues, and advanced routing without any training. With Telzio, users can call and text from anywhere using mobile devices, IP phones, and softphones. Visit telzio.com to start your free trial today. »

Ring4 lets you generate smart phone numbers in over 20 countries with unlimited text and calling.

Talkray is a fast messaging and calling app. Send messages and pictures or call friends and family across the world for free over Wifi or 3G.

Thirdlane Connect aims to increase team productivity by combining chat, voice and video calls, video conferencing, screen sharing, CRM and application integration into one simple to use application. Thirdlane Connect works in modern browsers, on Android, and Windows, Mac, and Linux desktops.

CALLR is a voice and messaging API available through REST, JSON-RPC and SDKs (PHP, Python, Ruby, Go, Node.JS, Swift, Java, .NET). It's built with many features made to help brands create smarter interaction with their customers and prospects. CALLR's services are available worldwide in 220+ countries. Two web interfaces, SENDR (Campaign Management) and CALLTRACKR (calltracking and click-to-call) are available to offer access to CALLR's services without having to code.Here are our six main business use cases:SIP Trunking (Outbound and inbound calls at scale) - Conveniently handle my important outgoing call needs. Face any international needs with an adaptive solution that matches my location, and network situation.User Acquisition and Engagement (Outbound calls and SMS campaigns) - Generate online and in-store traffic and keep users engaged using automated and scalable communications methods. Easily broadcast news about sales and events to my customer base.Notifications (Personalized outbound calls and SMS) - Send personalized messages to your customers at key steps of their journey. Notify them of main events and make sure they receive your messages.Custom IVR (Inbound or outbound calls control menu) - Create a smart mapping to route incoming calls according to the rules I set. Make sure each call I receive is handled the quickest and most efficient way.Call Tracking (Inbound calls source identification) - Track incoming calls activity and know where my users found my number. Track calls generated for and routed to a third party.Person to Person Communication (Users calls and SMS safeguarding) - Easily allow my users to exchange with each other on their usual channels. Frame the interaction to ensure its security and keep it smooth. »

Share text messages, inboxes, contacts, templates, lists, & notes with your team. Works with your computer & smartphone.CRM for text messaging from your web browser! Share messages, contacts, notes, lists, and templates with your team. Get a dedicated number for your team to receive and send text messages with customers. Heymarket provides an easy way for you and your team to manage the text messages shared with customers. Best of all, customers won't need to install anything! SHARED INBOX * Get a shared inbox so anyone on your team can instantly reply to customers. »