Graylog alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Graylog: SSPL licence is not OSI open source, and requires running OpenSearch and MongoDB. We ranked 5 alternatives by how directly each one replaces Graylog, then by reviews, real visits and how recently each app's facts were checked against its own website. Elastic Observability currently ranks first.

Quick comparison

#	App	Pricing	Open source	Platforms	Verified facts	Score
1	OpenObserve	Open source	Yes	Web, Self-hosted	4 of 4	62.6
2	Grafana	Open source	Yes	Web, Self-hosted	4 of 4	59.6

1. OpenObserveTop pick
Best for: Teams replacing an expensive ELK or Datadog log setup with cheap object storage
Open sourceSelf-hostableWeb, Self-hosted
62.6
score / 100
Why switch from Graylog
Lighter open-source log platform with cheap object storage.
Pros
Low storage costs using object storage
Logs, metrics, traces and RUM in one tool
Single binary for small installs
Cons
Younger project with a smaller ecosystem
Some features reserved for the enterprise edition
AGPL licence may need legal review
Visit OpenObserve Details and reviews
How this score is calculated
Editorial fit ×0.387
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.1585
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is OpenObserve a good Graylog alternative?
Verified facts
4 of 4 verified
License
AGPL-3.0
Checked Oct 25, 2026github.com(opens source in a new tab)
Cloud ingest price
$0.50/GB ingested
Checked Oct 25, 2026openobserve.ai(opens source in a new tab)
Free trial
14 days
Checked Oct 25, 2026openobserve.ai(opens source in a new tab)
Storage claim
140x more efficient than Elastic
Checked Oct 25, 2026openobserve.ai(opens source in a new tab)
2. Grafana
Best for: Teams that want flexible dashboards over many data sources, self-hosted or as a managed cloud
Open sourceSelf-hostableWeb, Self-hosted
59.6
score / 100
Why switch from Graylog
Loki offers cheaper log storage alongside Grafana dashboards.
Pros
Connects to almost any metrics, logs or SQL data source
Fully open-source stack you can self-host
Hosted cloud has a usable free tier
Cons
Self-hosting Loki, Tempo and Mimir at scale is real work
Building good dashboards takes time and query knowledge
Cloud usage pricing has many meters to track
Visit Grafana Details and reviews
How this score is calculated
Editorial fit ×0.377
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.1585
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Grafana a good Graylog alternative?
Verified facts
4 of 4 verified
License
AGPL-3.0
Checked Oct 25, 2026github.com(opens source in a new tab)
Free tier
10k metric series, 50 GB logs, 14-day retention
Checked Oct 25, 2026grafana.com(opens source in a new tab)
Pro plan
From $19/month + usage
Checked Oct 25, 2026grafana.com(opens source in a new tab)
Logs on free tier
50 GB/month
Checked Oct 25, 2026grafana.com(opens source in a new tab)

The best Graylog alternative for…

The highest-ranked app in this list for each need.

Best Graylog alternative for most people

Elastic Observability

The full Elastic stack for search, logs and APM.

Best Graylog alternative for a free option

OpenObserve

Lighter open-source log platform with cheap object storage.

Best Graylog alternative for open source

Grafana

Loki offers cheaper log storage alongside Grafana dashboards.

Best Graylog alternative for self-hosting

Elastic Observability

The full Elastic stack for search, logs and APM.

Best Graylog alternative for working in the browser

Sumo Logic

Hosted log analytics and SIEM with nothing to run.

Graylog alternatives: common questions

What is the best alternative to Graylog?

Elastic Observability ranks first right now. The full Elastic stack for search, logs and APM. OpenObserve and Grafana follow it in our ranking.

Is there a free alternative to Graylog?

Yes. OpenObserve (open source) and Grafana (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Graylog?

Yes: OpenObserve and Grafana. OpenObserve and Grafana can also be self-hosted.

Why do people switch from Graylog?

The complaints we hear most: SSPL licence is not OSI open source; requires running OpenSearch and MongoDB; key enterprise features are paid.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Graylog, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.