Open-source alternatives

Open-source alternatives to Splunk

Free, open-source, downloadable replacements for Splunk

Observability and data visualization platform

alternative to DatadogNew RelicSplunk

76.6k+15/dayGNU Affero General Public License v3.0Monitoringgrafana/grafana
LokiCLI

Horizontally scalable log aggregation system

alternative to DatadogSplunk

28.8k+5/dayGNU Affero General Public License v3.0Monitoringgrafana/loki

High-performance observability data pipeline

alternative to CriblSplunk

22.5k+4/dayMozilla Public License 2.0Monitoringvectordotdev/vector
HekaCLI

Data collection and stream processing tool

alternative to SplunkElastic Stack

3.4kOtherMonitoringmozilla-services/heka

Explore logs, traces, and metrics with natural language

alternative to DatadogNew RelicSplunk

1.7k+13/dayGNU Affero General Public License v3.0Monitoringmonoscope-tech/monoscope