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Frugon: Free, local, open-source LLM cost analyzer - see where your LLM bill leaks, on your machine. It is listed under Development & Code on AI Registry as a free tool.
The tools below are approved listings in the same category, ordered by how closely their tags match Frugon. This is an automatic list. We have not written a researched verdict for Frugon yet, so treat it as a shortlist and check each vendor's pricing page before switching.
Built from each tool's listing. Vendors can update their own listing after claiming it.
Enterprise-grade API gateway that helps you monitor and impose cost or rate limits per API key.
Enterprise-grade API gateway that helps you monitor and impose cost or rate limits per API key. Get fine-grained access control and monitoring per user, application, or environment. Supports OpenAI, Azure OpenAI, Anthropic, vLLM, and open-source LLMs.
Claude Code hooks + an installable plugin marketplace: safety, cost, observability, productivity.
Tested hooks that intercept the Claude Code agent loop: read stdin, exit 0 to pass or exit 2 to block. Twenty-two installable plugins: /plugin marketplace add karanb192/claude-code-hooks, then /plugin install <name>@claude-code-hooks.
MarkLLM: An Open-Source Toolkit for LLM Watermarking
Leyi Pan, Aiwei Liu, Zhiwei He, Zitian Gao, Xuandong Zhao, Yijian Lu, Binglin Zhou, Shuliang Liu, Xuming Hu, Lijie Wen, Irwin King, Philip S. Yu. Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing: System Demonstrations. 2024.