R.I.P.

Open-source alternatives to Last9

8 open-source options for Last9, the observability platform. Compare alternatives to paid apps below. 8 shipped code in the last 30 days.

Last9$280+ usage

8 open-source alternatives

Most-starred first. Stars and growth come from GitHub; activity comes from the project's code host.

SigNoz
Most starred

Open-source observability platform for cloud-native apps

Stars
32.5k
Growth
+330
Launched
Jan 2021
Custom licenseupdated today
OpenObserve
Recent growth

Petabyte-scale observability, without the massive bill.

Stars
22.6k
Growth
+597
Launched
Feb 2023
AGPL-3.0updated today
VictoriaMetrics
#3 by stars

High-performance time series database for metrics and logs

Stars
18k
Growth
+242
Launched
Sep 2018
Apache-2.0updated 1d ago
HyperDX
#4 by stars

Full-stack observability without the enterprise price tag

Stars
10k
Growth
+80
Launched
Sep 2023
MITupdated today
GreptimeDB
#5 by stars

Unified observability database for metrics, logs, and traces

Stars
6.8k
Growth
+89
Launched
Apr 2022
Apache-2.0updated today
Uptrace
#6 by stars

Open source observability platform for modern applications

Stars
4.3k
Growth
+21
Launched
Dec 2021
AGPL-3.0updated 9d ago
Maple
Recently created

OpenTelemetry observability with traces, logs, and metrics

Stars
1.9k
Growth
+145
Launched
Feb 2026
Custom licenseupdated today
Gigapipe
#8 by stars

All-in-one observability with unlimited data ingestion

Stars
1.7k
Growth
+15
Launched
Dec 2018
AGPL-3.0updated today

All Monitoring & Logs

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