Prelulu is an AI video chat and roleplay app offering text, voice, and real-time video calls. Characters retain conversation memory, and you can create original characters.

Teamily AI is an AI-native communication app built for collaboration between people and AI teams. It supports personal AI, custom agents and agent teams, cross-session memory, and collaborative studios for web pages, slides, documents, kanban boards, and more, with clients across multiple platforms.

UnleashX offers capabilities including voice agents, chatbots, video agents, automations, and AI agents, enabling AI employees to execute sales, customer service, operations, and other work end to end. The official website shows you can start for free, and it also offers pay-as-you-go and enterprise plans.

Knocket AI provides a web chat widget, contact page, and mobile chat component so visitors can start conversations from multiple entry points and you can reply in one unified inbox. You can also connect Telegram and upload documents to train an AI customer service agent with FAQs. The official website states it is free forever.

NitroStack is a full-stack platform for building production-grade MCP servers: its TypeScript-first SDK supports defining tools with decorators and Zod validation, NitroStudio provides visual debugging and API-to-MCP conversion, NitroCloud enables one-click deployment from GitHub to serverless hosting, and NitroChat offers a white-label chat frontend.

Velozity puts your team and AI agents to work together in one virtual office. Its built-in agent can read emails, transcripts, and files to automatically create tasks, and it also offers video calls, a calendar, task management, and 100+ app integrations.

OpenBot is a desktop AI agent collaboration app where each agent has its own workspace and instructions, and agents can message each other, hand off tasks, share files, and use a built-in browser. The software itself is free, and data stays on your local computer.

Google Gemini (formerly Bard) is Google's AI assistant, powered by its proprietary Gemini large model series. It offers multimodal understanding and generation capabilities, and is deeply integrated with Google Search, Gmail, Docs, and other services, making it the default entry point for users within the Google ecosystem to access AI features.

ChatGPT is an AI conversational assistant created by OpenAI and a landmark product of the generative AI wave. It supports natural language Q&A, writing, coding, data analysis, and multimodal capabilities such as image understanding. Through multiple model iterations, it has become the default AI tool for many people in their daily work and studies.

SpicyChat is an AI role-playing chat platform where the community has created tens of thousands of virtual characters with diverse personalities. Users can engage in immersive conversations with these characters, customize their own characters and storylines, and the platform ranks among the top in the AI role-playing community by user base.