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Show HN: Sping – A HTTP/TCP Latency Tool That's Easy on the Eye

Cloudflare incident on August 21, 2025

I built a tiny mac app to monitor and manage my development processes

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Adding my home electricity uptime to status.href.cat

Fast and observable background job processing for .NET

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VictoriaLogs Practical Ingestion Guide for Message, Time and Streams

New monitoring and authorization layer for MCP Servers

Vibe Debugging: Enterprises' Up and Coming Nightmare

How do you actually see where the cost is leaking in LLM API calls? Dashboards only show totals 🤔

Why do my agents always break at the worst possible time?

ORYX - A TUI for sniffing network traffic using eBPF on Linux

Asus' latest OLED gaming monitor can hit 720 Hz at HD resolution — dual refresh modes also allow 540 Hz at QHD

OpenTelemetry configuration gotchas

Beginner here, Built my first computer system monitoring program using Java and OsHI api and Java fx for visuals. Need tips for improving it and overall assessment from you.

Managing GPU jobs across CoreWeave/Lambda/RunPod is a mess, so im building a simple dashboard[P]

Datadog

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Toto-Open-Base-1.0

Task: time-series-forecasting

prometheus

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node_exporter

Exporter for machine metrics

grafana

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tempo

Grafana Tempo is a high volume, minimal dependency distributed tracing backend.

apache

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hertzbeat

Apache HertzBeat(incubating) is a real-time monitoring system with agentless, performance cluster, prometheus-compatible, custom monitoring and status page building capabilities.

grafana

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pyroscope

Continuous Profiling Platform. Debug performance issues down to a single line of code

coroot

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coroot

Coroot is an open-source APM & Observability tool, a DataDog and NewRelic alternative. Metrics, logs, traces, continuous profiling, and SLO-based alerting, supercharged with predefined dashboards and inspections.

exelban

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stats

macOS system monitor in your menu bar

dgtlmoon

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changedetection.io

Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring—all for free or enjoy our SaaS plan!

TwiN

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gatus

⛑ Automated developer-oriented status page

SigNoz

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signoz

SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool