Compare Custom AI Chat, Agent, Chatbot, Contact Center & Video SDKs to these popular alternatives based on real-world usage and developer feedback.

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.

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

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.

SendBird is a Messaging SDK, Chat API, and fully managed chat infrastructure for your mobile apps and websites. Embeddable chat for iOS, Android, JavaScript, Unity, .NET.

Use the Messaging API to build bots that provide personalized experiences for your users on LINE. You associate your bot with a channel on the LINE Platform. The bot works behind the LINE Official Account that is generated when you create the channel if you operate the account in bot mode.

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

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

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.

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.

The Twilio API for WhatsApp provides developers all over the world with a simple, reliable, and officially supported way to use the WhatsApp Business API. They can now easily build messaging experiences that combine the ease of use of the Programmable SMS API with the global reach of WhatsApp.

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 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.

Sinch makes it easy for developers to add voice, messaging and SMS to their apps with just a few lines of code. Enrich your apps with communications that your users will love.

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.

Add powerful communication features to your mobile app and data services for your backend<br>

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.

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.

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.

Chatkit is designed to make it as simple as possible to add chat to your app. It lets you add 1-1 and group chat to your app, along with typing indicators, file attachments and storage, user online presence and a flexible permissions system.

Chat API and SDK. With a beautiful UI Kit, easy to use React Components and powerful API. Add Chat to any application in a matter of hours. The tech uses Go, RocksDB and Raft. By the creators of Stream, the API that powers activity feeds for more than 300 million users.

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.

Layer's asynchronous messaging fabric is capable of transporting payloads of any type. Get your users talking with chat, voice or video messaging. Pull them back in with push. Connect friends, colleagues or perfect strangers seamlessly.

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.

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

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.

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.

TalkJS provides a chat API & Javascript SDK with a pre-built UI that allows developers to add chat between users on websites and apps in hours instead of months.

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.

It is a service that makes it easier to analyze and optimize bots for better user experiences. Works with any platform or bot + free to use.

CometChat offers a comprehensive in-app chat SDK platform that equips businesses with the tools to integrate real-time chat, voice, and video into their applications.

LiveKit is a set of APIs and SDKs which make it easy to build and scale live video and audio features in your application. Use cases include interactive live streaming, video calls, communications in games, and robotics teleoperations.

Experience the power of advanced AI with AskGreekAI - Your intelligent assistant for chat with real time info, image generation, and more.

Build intelligent, no-code AI chatbots with TheQuickAssist.co. Engage visitors, automate customer support, and convert leads with multilingual, customizable, and secure solutions. Try for free today!

The Motion AI team is working hard to realize a vision of just-add-water Artificial Intelligence that will boost consumer satisfaction while simultaneously reducing costs for companies.

Build custom chatbots in minutes. Save time by cloning boilerplates.

Servo is an open source conversational AI platform, with a behavior tree editor and connectors to all conversational agents, including FB messenger, Alexa, Twilio and even Angular forms. Written in ES6, it allows super easy inheritance-based extensions.

It is a global leader in the contact center market, providing companies with reliable and scalable communications-centric solutions. It helps businesses manage calls, improve customer service and compete more effectively.

Landbot is a no-code communication automation platform, that empowers non-technical users automating easy but robust business processes with a conversational experience.