Tag
12 catalogue entries use this topic; each Project's license policy is labeled separately.
Open-source LLM observability, evals, and prompt management
Langfuse is an open-source platform for tracing, evaluating, and improving LLM applications and AI agents, with prompt management and experiments built in.
Open-source observability with logs, metrics, and traces in one tool
SigNoz is an OpenTelemetry-native observability platform that combines logs, metrics, and traces with APM, dashboards, and alerts in one tool.
Open-source observability for logs, metrics, traces and RUM in one binary
OpenObserve is an open-source observability platform that unifies logs, metrics, traces, RUM and AI model telemetry in one Rust binary backed by object storage.
Open-source tracing, evals, and prompt tools for LLM apps
Arize Phoenix is a self-hosted observability platform for LLM apps with tracing, evaluations, datasets, and a prompt playground.
Open-source observability unifying logs, traces, metrics, and session replay
HyperDX is an open-source observability platform unifying session replays, logs, traces, metrics, and errors for faster production debugging.
Zero-instrumentation observability with eBPF and AI root-cause analysis
Coroot watches a whole system without asking developers to change their code.
Open-source uptime monitoring, incident response, and status pages in one platform
OneUptime is an open-source monitoring and incident platform with uptime checks, on-call alerting, status pages, and correlated logs, metrics, and traces, self-hosted or as a managed cloud.
Open-source agent observability, evals, and AI governance
LangWatch is an open-source observability and evaluation platform for AI platform teams, covering LLM operations, coding-assistant usage, AI gateway routing, and AI governance in one place.
Open-source APM with traces, metrics, and logs in one UI
Uptrace is a self-hosted APM that collects OpenTelemetry traces, metrics, and logs into one UI with dashboards, alerting, and PromQL-style queries.
Open-source tracing, evals, and observability for AI agents
Laminar is an open-source observability platform purpose-built for AI agents, with OpenTelemetry-native tracing, evaluations, and behavior monitoring built in.
Self-hosted observability backend for logs, metrics, and traces
Gigapipe is a self-hosted observability backend that stores logs, metrics, traces, and profiles in ClickHouse and serves Loki, Prometheus, Tempo, and Pyroscope APIs.
Application performance monitoring with usage based pricing
New Relic was the application performance monitoring product for a generation of web applications, and its repricing to per-user plus per-gigabyte was an explicit attempt to answer the complaint about host based billing.