Free open source alternative app list about topic "Chat" :

LobeChat

Key features Open-source, modern AI chat interface for managing, building, and running AI agent teams. Works across multiple LLM providers, letting you switch or combine models in one place. Supports self-hosting for full control over your data and deployment. Extensible via plugins to add custom tools and capabilities. Rich feature set covering chat organization, agent management, and team workflows. Platforms: Windows, macOS, Linux Links Official website: https://lobehub.com/ Source code: https://github.com/lobehub/lobe-chat Pricing Free and fully open-source under Apache-2.0. You can self-host it or use the public demo.

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LibreChat

Key features Unifies multiple AI models — including OpenAI, Anthropic, and others — into a single conversation platform. Supports plugins to extend functionality. Enables sharing conversations and configurations. Self-hosted deployment for full control over your data and setup. Platforms: Windows, macOS, Linux Links Official website Source code repository Pricing Free. Fully free and open-source under the MIT license; self-host your own instance with no usage limits.

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