Open source alternatives to Logz.io

3 open source projects replace Logz.io, ranked by how safe each is to depend on.

94 · Healthy

Observability platform for logs, metrics, traces and real user monitoring, built for low storage costs.

AGPL-3.0Relicensed 2023★ 22kLast commit today

92 · Healthy

OpenTelemetry-native observability with logs, metrics and traces in one app.

Free core, paid extrasMIT★ 32kLast commit today

90 · Healthy

Log aggregation that indexes labels rather than full text to keep storage cheap, queried from Grafana.

AGPL-3.0Relicensed 2021★ 29kLast commit today

94 · Healthy

92 · Healthy

90 · Healthy

At a glance

Health and license are separate verdicts: a project can be well maintained and still not be open source.

Project	Health	License	Stars	Last commit
OpenObserve	94 · Healthy	Free, share hosted changesAGPL-3.0Relicensed 2023	22k	today
SigNoz	92 · Healthy	Free core, paid extrasMIT	32k	today
Loki	90 · Healthy	Free, share hosted changesAGPL-3.0Relicensed 2021	29k	today

Logz.io is a paid monitoring & error tracking product. See all open source monitoring & error tracking tools, ranked the same way.

Scores last refreshed from GitHub on 9 October 2026. How we score.