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.
Chapar
Cross-platform API client offering fast, secure, and offline testing for REST and gRPC services. Available on macOS
Cross-platform API client offering fast, secure, and offline testing for REST and gRPC services. Available on macOS, Windows, and Linux with intuitive design. Curated developer & AI SaaS tool discovered via OpenAlternative feed and indexed in AgentIndex.