Observability

Alternatives to Splunk

Compare these candidates if you want self-hosting, data control or less dependence on Splunk's hosted service. Actual costs depend on deployment and required features.

Compare metrics, logs, errors and alerting separately; evaluate retention and infrastructure costs.

Compare candidates

Growth uses the latest collected snapshots; — means unavailable. Stars and licenses are not substitutes for feature verification.
Project	Stars	7-day gain	Language	License	Maintenance
loki	29,105	+53	Go	AGPL-3.0	✅ Recently maintained
OpenSearch	13,946	+43	Java	Apache-2.0	✅ Recently maintained

loki

grafana/loki

Like Prometheus, but for logs.

✅ Recently maintained

Match the project description to required features, then trial migration and deployment with a small real dataset.

Repository verified 2026-11-02 · Official repository & installation

OpenSearch

opensearch-project/OpenSearch

🔎 Open source distributed and RESTful search engine.

✅ Recently maintained

Match the project description to required features, then trial migration and deployment with a small real dataset.

Repository verified 2026-11-02 · Official repository & installation

Before migrating

Check exports/imports, required features, permissions, backups, security updates and total operating cost. Candidates are not guaranteed feature-equivalent; enterprise extensions and model services may have separate terms and costs.