NuGet100Exceptionalhealth index
C#★ 3,762Oct 20, 2026
Go99Exceptionalhealth index

grafana/mimirGrafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.
Go★ 5,235Sep 18, 2026
crates.io99Exceptionalhealth index
Rust★ 2,708↓ 77.4M/moSep 17, 2026
npm98Exceptionalhealth index

grafana/faro-web-sdkThe Grafana Faro Web SDK, part of the Grafana Faro project, is a highly configurable web SDK for real user monitoring (RUM) that instruments browser frontend applications to capture observability signals. Frontend telemetry can then be correlated with backend and infrastructure data for full-stack observability.
TypeScript★ 1,134↓ 11.1M/moSep 19, 2026
Go96Exceptionalhealth index
Go★ 17.7KSep 16, 2026
npm94Exceptionalhealth index
JavaScript★ 12↓ 814.8K/moOct 21, 2026
PyPI · npm · Go94Exceptionalhealth index

openlit/openlitOpen-source observability & evaluation platform for AI agents and coding agents. Trace LLMs, tools, prompts, costs & agent workflows with OpenTelemetry.
TypeScript · Python · Go★ 2,770↓ 342.5K/moSep 17, 2026
Go92Excellenthealth index
Go★ 11Sep 12, 2026
npm90Excellenthealth index

evloghq/evlogDigging through logs is not observability. It's hope — wide events, structured errors, TypeScript-first, every runtime.
TypeScript · Vue★ 1,848↓ 973.5K/moSep 9, 2026
NuGet89Excellenthealth index
C#★ 2Sep 11, 2026
crates.io89Excellenthealth index

sebastienrousseau/rlgNear-lock-free structured logging for Rust: a 65,536-slot ring buffer, formatting deferred to a background thread, 14 output formats (JSON, ECS, GELF, OTLP, logfmt…) and native os_log/journald sinks. Plus an OTLP/HTTP exporter, an MCP server for AI agents, Tower middleware, PII redaction, WebAssembly bindings and a jq-style CLI.
Rust★ 6↓ 4,245/moOct 20, 2026
crates.io · Go · npm88Excellenthealth index

madesroches/micromegasUnified observability for logs, metrics and traces — low overhead instrumentation (Rust, Unreal Engine 5), OTLP ingestion, SQL analytics on DataFusion over Parquet, presentation through notebooks, Grafana and Python. Self-hosted.
Rust · TypeScript · HTML★ 56↓ 25K/moOct 20, 2026
Go · npm87Excellenthealth index
Go · TypeScript★ 2,765Sep 10, 2026
PyPI · npm · crates.io +186Excellenthealth index
Python · TypeScript · Rust★ 0↓ 4,270/moOct 19, 2026
PyPI84Excellenthealth index
Python★ 3↓ 3,138/moOct 16, 2026
Go84Excellenthealth index

rknightion/opnsense2otelOpenTelemetry and Prometheus observability for OPNsense firewalls. 65 collectors, 1006 metrics, native OTLP metrics and logs, syslog receiver, NetFlow and Zenarmor flow-log processing.
Go · Python★ 4Sep 20, 2026
Go83Excellenthealth index

rknightion/tailscale2otelTailscale exporter for OpenTelemetry and Prometheus. Device fleet, network flow logs and audit logs as OTLP metrics & logs. Single Go binary, Grafana Cloud ready. Headscale supported.
Go · Python★ 18Sep 9, 2026
npm · Go · PyPI81Excellenthealth index

Divkix/LogwellSelf-hosted logging platform with real-time streaming, full-text search, and OTLP-compatible ingestion. Deploy in minutes, own your data.
TypeScript · Svelte★ 44↓ 265/moSep 19, 2026
Go80Excellenthealth index

ImmersiveFusion/snowglobeOpenTelemetry telemetry generator: logs, traces and metrics from a realistic 28-service topology with chaos injection, saga compensation, timeout cascades, and AI agent spans under the GenAI semantic conventions. Single binary, zero infrastructure.
Go★ 18Sep 19, 2026
npm · PyPI77Goodhealth index

hue-run/hue-sdkHue TypeScript and Python SDKs for OpenTelemetry tracing and local evaluations
TypeScript · Python★ 1↓ 5,372/moSep 23, 2026

netboxlabs/opentelemetry-infinityOpentelemetry Infinity provide otel-collector-contrib instances through a simple REST API using a policy mechanism. Each policy spin up a new otelcol-contrib process running the configuration provided by the policy.
Go · Shell★ 7Sep 11, 2026

rknightion/graph2otelExports OTLP metrics and logs from Microsoft Entra ID, Intune, Defender, M365 and Purview via Microsoft Graph, Azure Storage blobs and the O365 Management Activity API. Single Go binary, Grafana Cloud ready.
Go★ 1Sep 18, 2026
TypeScript★ 1↓ 4,464/moSep 8, 2026
Go · npm71Goodhealth index

mashiro/otelopLocal OpenTelemetry viewer for traces, metrics, and logs — single binary, persistent DuckDB storage, browser UI.
Go · TypeScript★ 16Sep 11, 2026

Arakiss/vestigLeave your mark. A modern, runtime-agnostic structured logging library with automatic PII sanitization and context propagation.
TypeScript · MDX★ 8↓ 1,457/moSep 18, 2026

NLog/NLog.Targets.NetworkNLog target for sending logevents over TCP / UDP network sockets (Log4JXml / GELF / Syslog / Splunk)
C#★ 3Sep 13, 2026
crates.io69Goodhealth index
Rust★ 0↓ 631/moSep 9, 2026
crates.io69Goodhealth index
Rust★ 1↓ 6,187/moOct 10, 2026

productdevbook/nitroping-sdkTypeScript SDK for the NitroPing audit log — batching client, error capture, Hono/Express/Nitro adapters, and GenAI cost tracing.
TypeScript★ 24↓ 553/moSep 11, 2026
npm · PyPI · Go +167Goodhealth index

IA-Portafolio/faroPlataforma de observabilidad self-hosted: logs, traces, métricas, error grouping, monitores HTTP y alertas. Rust + ClickHouse + SvelteKit.
Rust · Svelte · TypeScript★ 0↓ 95/moSep 9, 2026