fluent/fluent-bit

• Silver II

Fluentd: Unified Logging Layer (project under CNCF)

• 1,499+9 Elo, change today
• 13.6k stars
• 1.4k forks
• 9h ago

git clone https://github.com/fluent/fluentd.git

• cncf
• data-collector
• fluentd
• logging

• Emerald V

A high-performance observability data pipeline.

• 1,763−7 Elo, change today
• 22.8k stars
• 2.3k forks
• 151 watchers
• 1d ago

cargo install --git https://github.com/vectordotdev/vector

• agent
• cloud-native
• data-transformation
• datadog

• Silver IV

OpenTelemetry Go API and SDK

• 1,453+2 Elo, change today
• 6.6k stars
• 1.5k forks
• 14h ago

git clone https://github.com/open-telemetry/opentelemetry-go.git

• logging
• metrics
• opentelemetry
• tracing

• Emerald V

Like Prometheus, but for logs.

• 1,767−14 Elo, change today
• 29.1k stars
• 4.1k forks
• 378 watchers
• 1h ago

brew install loki

• cloudnative
• grafana
• hacktoberfest
• logging

• Silver IV

The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.

• 1,459+2 Elo, change today
• 6.8k stars
• 584 forks
• 3h ago

git clone https://github.com/GreptimeTeam/greptimedb.git

• ai-agents
• cloud-native
• distributed-database
• greptimedb

• Emerald II

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.

• 1,848−12 Elo, change today
• 23k stars
• 1.2k forks
• 102 watchers
• 1h ago

cargo install --git https://github.com/openobserve/openobserve

• analytics
• apm
• datadog
• elasticsearch