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tawk.to is a free live chat app that lets you monitor and chat with visitors on your website or from a free customizable page. No catch. No spam. No wares. It's truly free and always will be.

Freshdesk is an award-winning, online help desk software that allows you to support customers over email, phone, the web or even through Twitter and your company's Facebook page. With Freshdesk there is nothing to download or install, you don't have to worry about server upgrades/patches and your agents can support customers from anywhere. Popular features include:

UseResponse is a fully customizable, customer feedback software and support ticketing system with open code that you can place on your server or use in cloud.It can be used as FAQ, ideas bank, bug tracking system, testimonials or all-in-one support software.4 Platforms: feedback with ideas, help desk with ticketing, knowledge base, live chat with messengers

Intercom shows you who is using your product (the user's region, browser, local time etc.) and makes it easy to personally communicate with them through targeted, behavior-driven email and in-app messages.

Zendesk Chat (formerly Zopim) is a simple chat widget that lets you sell directly to your website visitors.

Help Scout scales like any other help desk, but the customer experience is personalized like a normal email.

UserEcho gives you the opportunity to create a modern Community to support customers in a few minutes. It includes support forum with the possibility of voting for ideas, Helpdesk, Knowledge Base and Online Chat.

We make live chat solutions that work the way people work.

Desk.com lets you see all your customers in one place and engage them across all your support channels (Twitter, Facebook, phone, email, chat and discussion boards) in one easy-to-use desktop. Be there for your customers — anytime, anywhere.

UserEngage is a full business-client communication platform including live chat, user tracking, marketing automation, CRM and emailing. It takes 5 minutes to implement and it is two times cheaper than nearest competition.It is aimed at increasing egagement and conversion rates with as little effort as possible.

Web based live chat software. Deliver more personal experience to your visitors and customers in real time.

ClickDesk offers a magic box of live chat, voice chat, help desk and social toolbar for websites. ClickDesk is cloud-based; not needing users to download or install any software. Agents receive chats on their favorite IM such as Skype and Google Talk.The built-in voice chat functionality allows visitors to call businesses through Browser phone, Skype or the Local Access numbers available in 40 countries. The ClickDesk interface also includes a first-of-its kind social toolbar, enabling users to Tweet or like a Facebook page right from the chat window. ClickDesk recently launched an easy-to-use Help desk feature for businesses to efficiently manage support e-mails and offline chat messages; making it a complete multi-channel communication solution. »

"Send targeted emails to your users and subscribers with Customer.io's intuitive editor and powerful tracking features. Rich CSS-based templates simplify the process of designing compelling layouts. Built-in analytics lets you classify mailing list recipients by their attributes, pageviews, and site interactions. Advanced emails use A/B testing, structured data merging, and third-party APIs to engage users with personalized messages that add value to your service."

Interakt.co simplifies customer data analysis, marketing and interaction. We build tools which allow you to capture, engage, retain and support your customers from one single dashboard.