Embeddings & Vector Search
qdrant
qdrant/qdrant
A vector search service combining embeddings, sparse vectors, and metadata filters for retrieval and recommendation.
★ 34.5K⑂ 2.7KRust
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Agents & Multi-Agent
Alith
0xlazai/alith
A simple, composable, and high-performance AI agent framework designed for Web3 and Crypto, enabling developers to build, deploy, and manage on-chain AI agents with multi-language support and LazAI Gateway integration.
★ 44⑂ 31Rust
MCP & Tool Calling
LangChain4j
langchain4j/langchain4j
An idiomatic, open-source Java library for building LLM-powered applications on the JVM, offering a unified API over popular LLM providers and vector stores with support for tool calling, MCP, agents, and RAG.
★ 12.8K⑂ 2.4KJava
Agents & Multi-Agent
Honcho
plastic-labs/honcho
Memory infrastructure for building stateful AI agents that understand changing people, agents, groups, projects, and ideas over time.
★ 6.5K⑂ 788Python