LangGraph
freeGraph-based workflow designer for multi-agent collaboration and cyclic task orchestration.
CrewAI
freeSimulates human team collaboration with dynamic task allocation and inter-agent communication.
Microsoft Semantic Kernel
freeEnterprise-grade AI integration framework with multi-language support (C#/Python/Java).
Microsoft AutoGen
freeModular multi-agent conversation system with customizable roles and tool integration.

MetaGPT
freeEncodes Standard Operating Procedures (SOPs) into collaborative prompts for task automation.
Groq
paidHigh-speed LPU inference engine with ultra-low latency for models like Llama 3.
Fireworks AI
paidMulti-modal inference platform supporting Stable Diffusion 3 and LangChain compatibility.
Cursor
freemiumAI-powered code editor with smart completions and Figma-to-code conversion.
Perplexity Labs
freemiumOpen LLM playground with Mistral/Llama 3 support and cited search results.

Chroma
freeOpen-source vector database optimized for AI and embeddings.
Cohere Rerank
freemiumAPI for improving search relevance through semantic reordering.

Milvus
freeCloud-native open-source vector database for scalable similarity search and AI applications.
Pinecone
paidManaged vector database for ML applications, optimized for fast similarity search.
Qdrant
freeHigh-performance open-source vector search engine with extended filtering support.

Weaviate
freemiumOpen-source vector database with GraphQL support and modular ML integrations.
MyScaleDB
freeSQL-compatible vector database built on ClickHouse for structured+vector hybrid queries.
SvectorDB
freemiumServerless vector database optimized for edge computing and low-latency applications.

SuperDuperDB
freePython library to integrate AI models directly with databases (e.g., MongoDB, PostgreSQL).
pgvector
freePostgreSQL extension for storing and querying vector embeddings.
Redis Vector Search
paidRedis module for vector similarity search with real-time updates.