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Show HN: Sping – An HTTP/TCP latency tool that's easy on the eye

Modern terminal HTTP/TCP latency monitoring tool with real-time visualization. Think httping meets modern CLI design with rich terminal UI, phase timing, and advanced analytics.

🌐 HTTP & TCP Monitoring: Support for http://, https://, and tcp:// protocols 📊 Real-time Visualization: Interactive charts and live statistics in your terminal 🔍 Phase Breakdown: DNS, connection, TLS, request, and response timing 🚨 Outlier Detection: Automatic outlier detection using MAD (Median Absolute Deviation) ⚠️ Threshold Alerting: Warning and critical thresholds with exit codes 🌍 DNS Control: IPv4/IPv6 selection and DNS resolution caching 📈 Advanced Statistics: Percentiles (p50, p90, p95, p99), standard deviation 💾 Multiple Output Formats: Interactive UI, plain text, JSON, and JSON export 🔐 Authentication: Bearer tokens and basic auth support 🎨 Rich Terminal UI: Beautiful charts, color-coded logs, and responsive layouts 🌈 Color Palettes: Choose from 8 themed color schemes (sunset, ocean, forest, volcano, galaxy, arctic, neon, monochrome) Note: Outlier detection helps identify performance degradation, network issues, or service problems that might not trigger error thresholds. Live latency chart with gradient coloring Recent requests log with timing details Statistics panel with min/mean/max/stdev Outlier highlighting and threshold indicators

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