AI Data, APIs & Infra tools

Model APIs, vector databases, data analysis and scraping for AI apps.

• Julius AI

  AI workspace for analyzing data and research, then turning it into charts, dashboards, presentations and websites.

  Freemium · data

• Hex

  Collaborative data workspace with AI.

  Freemium · data

• Hugging Face

  Hub for open models, datasets and demos.

  Freemium · data, coding

• OpenRouter

  Single API for hundreds of AI models.

  Usage-based · coding, data

• Ollama

  Run open models locally.

  Free · coding, data

• Supabase

  Postgres development platform with auth, instant APIs, realtime, functions, storage and vector embeddings for AI apps. Free to start.

  Freemium · coding, data

• Pinecone

  Managed vector database for AI search.

  Freemium · data

• Firecrawl

  Web data API for AI agents: search, scrape, crawl and interact with sites and get LLM-ready output. Free plan; Hobby from $16/mo billed yearly.

  Freemium · data, agents

• Exa

  Web search and page-contents API built for AI agents, with an MCP server and deep-research endpoints.

  Usage-based · data, agents

• Tavily

  Real-time web search and content-extraction API built for AI agents and RAG, with 1,000 free API credits a month.

  Freemium · data, agents

• Convex

  Open-source reactive TypeScript backend: database, auth, file storage, vector search, crons and an AI Gateway, built to work well with AI coding agents. Free plan; Professional $25 per developer/mo.

  Freemium · coding, data

• Langfuse

  Open-source tracing, evals, prompt management and observability for LLM apps and agents; self-host free or use the cloud. Hobby free (50k units/mo); Core $29/mo.

  Freemium · agents, data

• Browserbase

  Headless browser infrastructure for AI agents, plus Search and Fetch APIs, a model gateway and the open-source Stagehand SDK. Free plan; Developer $20/mo.

  Freemium · agents, data