Khoj is an open-source AI second brain that learns from your notes (Obsidian, EMACS), documents, and has access to the internet. It can replace your search engine, help you with reading papers, and get you transparent, fast answers.




Amazon Lex is described as 'Fully managed artificial intelligence (AI) service with advanced natural language models to design, build, test, and deploy conversational interfaces in applications' and is an app in the development category. There are more than 25 alternatives to Amazon Lex for a variety of platforms, including Web-based, SaaS, Self-Hosted, Mac and Windows apps. The best Amazon Lex alternative is Khoj, which is both free and Open Source. Other great apps like Amazon Lex are Syllabi, Tidio , Botpress and Voicespin.
Khoj is an open-source AI second brain that learns from your notes (Obsidian, EMACS), documents, and has access to the internet. It can replace your search engine, help you with reading papers, and get you transparent, fast answers.




An open-source AI-powered chatbot platform with advanced knowledge base integration, multi-modal support, and seamless integrations.




Platform offering live chat and AI chatbot services for ecommerce; manages customer inquiries, supports multiple languages, provides analytics, and scales operations affordably with automated Flows handling tasks like lead conversion and abandoned cart recovery.




Botpress is an open-source conversational AI platform with a comprehensive set of functionalities for FAQ & task automation. It's lightweight and have zero external dependencies allowing you to deploy it anywhere.

AI-driven solutions enhance support and sales by integrating with CRM, uniting email, live chat, WhatsApp, and social media. Offers 50+ CRM integrations and APIs at no extra cost, featuring VoIP call center software for efficient inbound and outbound calls.

Automate your business processes with AI chatbots Become the ultimate intelligent enterprise by building powerful conversational agents in a heartbeat.




Mavy, your personal AI Executive Assistant, can help with all your tasks, from scheduling and calendar management to email drafting and beyond.


ChatbotPack.com is a next-generation chatbot platform with in-built natural language processing. Using a modular system you may customize each and every module, including adding your own language analytics, security, logging, and integrations to your existing systems and devices.
Conversational AI for healthcare, enabling virtual agents to manage calls, schedule appointments, handle FAQs, and assist patients without coding, boosting efficiency.

Build and connect intelligent bots with Microsoft Bot Framework. Interact with your users wherever they are, from text/sms to Skype, Slack, Office 365 mail and other popular services.


Databerry.ai helps you build ChatGPT Plugins to connect custom data to ChatGPT! - Talk to your data - Leverage the Plugin Store to captivate users and skyrocket your brand awareness. - Get insights and statistics on how users are interacting with your Plugin!



Hubot is a framework to build chat bots, modeled after GitHub's Campfire bot of the same name, hubot.
