If you are looking for CRM with chat, nothing beats Bitrix24 and not just because it's the only free full featured CRM that gives you real time communications.
First, Bitrix24 comes with internal chat system that also supports audio and video calls, allowing your sales agents to effectively collaborate with each other. Next, you have live chat widget that you can install on any website (Wordpress, Magenta, Shopify, Joomla, Drupal - whaterver) to communicate with your existing or potential clients in real time. No website? No problem, Bitrix24 gives you hosted live chat as well, and yes, this is absolutely free as well for up to 12 users with unlimited chat sessions. Free CRM chatbots? You shouldn't ask - Bitrix24 supports Microsoft Bot Framework and our API is open.
What makes Bitrix24 so much better than all other live chat CRM software, other than the price? One word - omnichannel. Bitrix24 doesn't just give you free live chat CRM. It also gives you open channels for social media, email, phone calls and other means of communications. Yes, it's all stored inside a single CRM, giving you 360 view of your clients. Try Bitrix24 now and start talking to your clients now.
Bitrix24 CRM manual is available here.
If you are interested in buying self-hosted editions of Bitrix24, which come with API, CMS and source code, can be easily customized and integrated with other tools, please download a trial version here.