Felix Krause

Nice Tools

Tools and libraries for productive AI and dev work.

Nice Reads →

2026

  • Claude

2025

  • LibreChat open source chat interface
  • heygen for AI avatars
  • Metrics to assess of RAG
  • Track your carbon footprint codecarbon.io
  • AI initiatives in Europe pampam.city map
  • https://n8n.io/ - for simple agent set up (also with MCP)
  • polymarket - betting on events happening
  • hyperbolic: get live continuation of text with LLMs tool
  • tiktokenizer to count tokens tool
  • Can my computer run this LLM? - tool
  • marimo - drop in replacement for jupyter notebooks
  • outlines - Get structured output of models without inference time constrained decoding
  • OpenSearch - open source search and analytics suite that makes it easy to ingest, search, visualize, and analyze data
  • MTEB scores on embedding models (HF leaderboard)
  • UV as package installer (overview)
    • most important commands here
    • extremely good!
  • Collection of RAG techniques on GitHub
  • OpenRouter for easy provision of most LLMs - i.p. for overview on LLMs and API costs
  • Recommended stack as of 30.01.2025 in LLM community (AIM)
    • Azure AI Services (or other CSP) → Provides secure, enterprise-grade LLM APIs.
    • Dify.AI → Manages LLM workflows, observability, and RAG pipelines
      • Thomas Ü: helicone (caching and observability)
      • Langfuse (observability)
    • Databricks → Enables secure AI interaction with enterprise data.
    • LangChain + FastAPI → Supports custom AI workflows and microservices.
    • OpenWebUI → Acts as a chat-based frontend with role-based access.
    • LiteLLM → Optimizes API routing, API management, cost control, and failover handling.

2024