Open source. Open possibilities.

Highlight.io is an open-source full-stack monitoring platform providing session replay, error monitoring, logging, and distributed tracing, with SDKs for multiple languages and self-hosted deployment options.

Argos is a Go instrumentation library that adds OpenTelemetry traces, metrics and correlated logging to microservices via one Init/Run call, plus drop-in wrappers per client library. The root module has no vendor SDK dependencies; each integration ships as its own module.

slogcp is a Google Cloud-native structured logging handler for Go using the standard slog API. It enables Cloud Logging, Trace, and Error Reporting integration for services on Cloud Run, GKE, and more.

The @knownagents/sdk is a Node.js library that lets server‑side applications track AI agent traffic, record LLM referrals, generate up‑to‑date robots.txt files, and identify bots via the Agent Identification API. It supports batch event flushing, MCP call tracking, and integration with ACP/UCP commerce flows.

RouteTok is a local-first LLM inference router with OpenAI and Anthropic compatible APIs, health-aware failover, multi-provider catalogs, an operations dashboard, and a model sandbox.

An OpenTelemetry-native product analytics platform that stores web, mobile, and backend events in a DuckLake on your own object storage.

HyperDX is an open-source observability platform that unifies logs, metrics, traces, session replays, and errors using ClickHouse and OpenTelemetry for fast production issue resolution.

WordPress plugin client for ovos console error monitoring and cyberdefense. Reports PHP/JS errors, security events, and scanner probes to a self-hosted console instance. Features CVE matching, traffic rollups, and AI-driven analysis.

Production-grade LLM reverse proxy for the Z.AI Claude API with token counting, adaptive rate limiting, Prometheus metrics, and a real-time monitoring dashboard.

TundraLibs is a suite of independent, cross-runtime TypeScript libraries compatible with Deno, Bun, Node.js, Cloudflare Workers, and browsers. It provides modular tools for databases (ORM, drivers), authentication, validation, logging, tracing, caching, and HTTP routing.

MCP server for VictoriaMetrics Anomaly Detection (vmanomaly), enabling AI assistants to perform health checks, model management, configuration generation, alert rule creation, and documentation search via the Model Context Protocol.

Effect is a comprehensive TypeScript library designed for building robust, type-safe, production-grade applications with built-in support for typed errors and dependency injection.