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fluent/fluent-bit
Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows
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- fluent/fluentd
Fluentd: Unified Logging Layer (project under CNCF)
Why this match
topics data-collector, fluentd, logging; language differs: C → Ruby
- open-telemetry/opentelemetry-go
OpenTelemetry Go API and SDK
Why this match
topics logging, metrics, opentelemetry; language differs: C → Go
- vectordotdev/vector
A high-performance observability data pipeline.
Why this match
topics forwarder, logs, metrics; language differs: C → Rust; license differs: Apache-2.0 → MPL-2.0
- grafana/loki
Like Prometheus, but for logs.
Why this match
topics cloudnative, logging, prometheus; language differs: C → Go; license differs: Apache-2.0 → AGPL-3.0
- GreptimeTeam/greptimedb
The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.
Why this match
topics logs, metrics, opentelemetry; language differs: C → Rust
- openobserve/openobserve
Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.
Why this match
topics logs, metrics, opentelemetry; language differs: C → TypeScript; license differs: Apache-2.0 → AGPL-3.0
- hyperdxio/hyperdx
Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.
Why this match
topics logs, metrics, opentelemetry; language differs: C → TypeScript; license differs: Apache-2.0 → MIT
- SigNoz/signoz
SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.
Why this match
topics logs, metrics, opentelemetry; language differs: C → TypeScript