Free quantitative engineering and AI FinOps calculator suite featuring real-time LLM API token pricing models (GPT-5, Claude, DeepSeek), cloud egress estimators, CIDR subnet matrices, and creator economy RPM benchmarks with native /llms.txt.
Opencodex
Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…)
Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code. Discovered via GitHub AI-Tools topic and indexed in AgentIndex.