Category

Research

AI search engines and research assistants that find, read, and cite sources and papers.

Research

Qdrant

Open-source vector search engine for fast, scalable similarity search and AI retrieval.

Freemium / Open source / API

Research

Firecrawl

Web data API for AI agents to search, scrape, crawl, and interact with live websites.

Freemium / Open source / API / MCP

Research

Langfuse

Open source observability and evals for AI agents, built for teams tracing, testing, and improving production LLM apps.

Freemium / Open source / API / MCP