AI Receptionist for Calls, Texts & Emails

An easy to use email app that saves you time and keeps your messages safe. Get your messages instantly via push notifications, read and respond online & offline, and find any message quickly.

Twilio offers developers a powerful API for phone services to make and receive phone calls, and send and receive text messages. Their product allows programmers to more easily integrate various communication methods into their software and programs.

Bots are third-party applications that run inside Telegram. Users can interact with bots by sending them messages, commands and inline requests. You control your bots using HTTPS requests to our bot API.

It is an application that is used mainly to send and receive emails. It can also be used to manage various types of personal data including calendar appointments and similar entries, tasks, contacts, and notes.

Give users new ways to interact with your product by building engaging voice and text-based conversational apps.

Nexmo connects your apps directly to carriers around the world. Integrate SMS and Voice messages using one simple API. Use Nexmo Verity to register users, verify transactions, and implement two factor authentication.

Postscript lets you easily create and manage SMS marketing campaigns with detailed analytics designed to increase sales and revenue, not just clicks.

The Microsoft Bot Framework provides just what you need to build and connect intelligent bots that interact naturally wherever your users are talking, from text/sms to Skype, Slack, Office 365 mail and other popular services.

It combines artificial intelligence (AI) and sophisticated analytical software for optimal performance as a "question answering" machine.

With bots and live-messaging tools, you can create a custom experience for your unique audience.

Braze is a comprehensive customer engagement platform that powers relevant and memorable experiences between consumers and the brands they love.

Agora.io provides building blocks for you to add real-time voice and video communications through a simple and powerful SDK. You can integrate the Agora SDK to enable real-time communications in your own application quickly.

Lex provides the advanced deep learning functionalities of automatic speech recognition (ASR) for converting speech to text, and natural language understanding (NLU) to recognize the intent of the text, to enable you to build applications with highly engaging user experiences and lifelike conversational interactions.

Botpress is an open-source bot creation tool written in TypeScript. It is powered by a rich set of open-source modules built by the community. We like to say that Botpress is like the WordPress of bots; anyone can create and reuse other peo

It is the world's largest secure email service, developed by CERN and MIT scientists. We are open source and protected by Swiss privacy law

API.AI is a natural language understanding platform that makes it easy for developers to design and integrate intelligent, robust conversational user interfaces into mobile, web applications, and devices.

Plivo provides basic building block APIs in the form of Plivo XML and HTTP API, to create telephony apps, so developers can completely do away with learning the nitty-gritty of the telephony plumbing.

At MessageBird we believe that communicating with a business should feel as natural as communicating with a friend. That's why our SMS, Voice and Conversations APIs continue to revolutionize company-customer interactions.

It is an open source developer tool for building chat bots, apps and custom integrations for major messaging platforms.

Send news, collect feedback, receive and answer questions and share content libraries — from GIFs to full business docs.

It adds the clarity and emotion of face-to-face communication to your brand whether you're developing for the web, iOS, or Android. We make the integration of high-quality live video a breeze so that you can focus on building a great product.

It is not just another email client. They are rebuilding the inbox from the ground up to make you brilliant at what you do. Specifically designed it for those of you who want the best.

It empowers teams to easily create powerful bots using a guided, no-code graphical interface without the need for data scientists or developers. It addresses many of the major issues with bot building in the industry today. It eliminates the gap between the subject matter experts and the development teams building the bots, and the long latency between teams recognizing an issue and updating the bot to address it. It removes the complexity of exposing teams to the nuances of conversational AI and the need to write complex code. And, it minimizes the IT effort required to deploy and maintain a custom conversational solution.

The Azure Bot Service provides an integrated environment that is purpose-built for bot development, enabling you to build, connect, test, deploy, and manage bots, all from one place.

It is an open source server and secured & fast customer software for messaging and collaboration. The software consists of both client and server components, and a desktop client. It also provides native two-way sync to many mobile devices.

It is a global leader in omnichannel engagement. We help our clients and partners overcome the complexity of consumer communications & grow their business.

It is a live chat service which allows you to communicate with your customers easily, also with the help of chatbots. It is designed specifically for the WordPress community.

Iti is an API that makes it very easy for developers to create applications or devices that you can talk to. Any app, or any device, like a smart watch, Google Glass, Nest, even a car, can stream audio to the Wit API, and get actionable data in return. We turn speech into actions. Think Twilio for Natural Language, with Stripe-level developer friendliness.

It is a free feature-rich email service with unlimited mailbox size. It has two-factor authentication and login history to prevent hacking. It scans all incoming mail for both spam, phishing, and malware.

It is the Facebook Messenger marketing tool that lets you create bots for marketing, sales and support. It enables you to effortlessly grow your Messenger audience by providing a complete set of growth tools to convert anyone into a subscriber.

Work smarter with business-class email and calendaring. It helps you collaborate on your critical documents and gives you a focused inbox that prioritizes important messages and adapts to your work style.

Smooch is the best software platform to build messaging experiences. Get access to the largest set of channels with a single API, and the most reliable infrastructure.

Compatible across development platforms, hosting services, and channels, QnA Maker is the only question and answer service with a graphical user interface—meaning you don’t need to be a developer to train, manage, and use it for a wide range of solutions.

A Communications Platform as a Service company offering a full suite of voice, messaging, and 9-1-1 APIs, all built atop the company's own all-IP voice network.

It is a machine-learning based conversational dialog engine build in Python which makes it possible to generate responses based on collections of known conversations. The language-independent design allows it to be trained to speak any language.

It is a Rust library for the Discord API.

Everything you need to create and manage bots. Build powerful bots without code, bots work seamlessly across platforms, and we host, manage & scale your bots.

It is a service that enables DevOps and software development teams to use Slack or Amazon Chime chat rooms to monitor and respond to operational events in their AWS Cloud.

Email deserves a dust off. A renovation. Modernized for the way we email today. With HEY, we’ve done just that. It’s a redo, a rethink, a simplified, potent reintroduction of email. A fresh start, the way it should be.

Build interactive services and messaging bots for any messaging channel using our REST APIs. Most of the APIs are common across channels, while a few are channel-specific, due to differences in channel formats. Our APIs support both plain-text messaging as well as smart-messaging formats.

It strives to provide a clean and full wrapping of the Discord REST api and its Websocket-Events for Java. This library is a helpful tool that provides the functionality to create a discord bot in java.

It is a free, open source mail server solution for your favourite Linux/BSD. You can deploy an open source, fully fledged, full-featured mail server in several minutes, for free.

BulkSMS.com is a leading SMS messaging service provider offering two-way SMS communication services. The BulkSMS gateway reaches across borders and connects to over 800 mobile network operators world-wide.

It is a free chatbot platform to build bots quickly without any coding required. It allows you to build, manage, integrate, train, analyse and publish your personalized bot in a matter of minutes.

It is a conversion chatbot that understands your users' needs, provides information, & converts them into action quickly & effectively.

Our artificial intelligence is agile: just create a few inputs and it will learn to detect the common meaning behind new sentences. Leverage the community to quickly build your bot with ready to use building blocks.

It is the only chatbot platform built with the enterprise in mind. Build NLP ready chatbots that use machine language and AI to complete all types of tasks.

It is a free and open source chatbot platform built on top of the Rasa library.

The main use is to make it easy for you to write your own plugins so you can make it do whatever you want: a deployment, retrieving some information online, trigger a tool via an API.

Tropo is a powerful yet simple API that adds Voice and SMS support to the programming languages you already know.