Opik github.com ↗

OpenRouter ↗AI & ML

A marketplace that routes API requests to many LLM inference providers.

Open Responses ↗AI & ML

An open specification for a vendor-neutral LLM responses API.

Perfetto ↗Observability

An open-source system profiling and trace analysis tool.

OLMo AI & ML

A fully open language model from AI2 with published training data.

OpenViking AI & ML

An open-source, self-hostable context and memory system for AI agents made by ByteDance.

OpenClaw ↗AI & ML

An open personal AI assistant agent platform.

OnlineOrNot ↗Observability

An uptime monitoring service that actively checks websites and APIs.

GPT-6.1 Sol ↗AI & ML

An OpenAI language model offered at several reasoning effort levels.

Downdetector ↗

A site that charts user-reported service problems.

VictoriaMetrics ↗

Open-source time-series database for metrics.

ccusage ↗

A CLI that estimates Claude Code usage costs from local logs.

GitHub Statuses ↗

A third-party page tracking GitHub's historical uptime based on its incident data.

Mac Monitor ↗

A macOS menu bar CPU indicator with a browser-based details UI.

OnlineOrNot ↗

An uptime monitoring service that actively checks websites and APIs.

Perfetto ↗

An open-source system profiling and trace analysis tool.

ThousandEyes Internet Insights ↗

Cisco's public internet outage map built on network telemetry.

evemon ↗

A Linux process monitor inspired by Process Explorer, with remote monitoring over SSH.

iStat Menus ↗

A macOS menu bar app for monitoring system resources.

lnav ↗

A terminal-based log file viewer and analyser.