LibreNMS vs SigNoz: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for LibreNMS and SigNoz side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
LibreNMS
Automated network discovery, monitoring, and alerting for your entire infrastructure.
Best for you if:
- • You want a fully free tool (SigNoz requires payment)
SigNoz
Open-source APM and observability
Best for you if:
- • You want open source observability
| At a Glance | LibreNMS | SigNoz |
|---|---|---|
Starts at | Free 100% free | Free plan, paid from $199/mo, billed monthly Teams plan |
Category | Monitoring DevOps | Monitoring DevOps |
Rating | 4.7/5 G2 4.7 14 reviews | n/a |
Free plan | Yes | Yes |
Choose LibreNMS or SigNoz?
Choose LibreNMS if
- You want a fully free tool (SigNoz requires payment)
- You want open-source and free to use
- You want comprehensive automatic network discovery
Choose SigNoz if
- You want open source observability
- You want all-in-one
In-Depth Analysis
LibreNMS
Automated network discovery, monitoring, and alerting for your entire infrastructure.
Strengths
- Pro: Open-source and free to use
- Pro: Comprehensive automatic network discovery
- Pro: Highly flexible and customizable alerting
- Pro: Scalable architecture with distributed polling
- Pro: Strong community support and active development
Weaknesses
- Con: Requires self-hosting and technical expertise for setup and maintenance
- Con: No official commercial support plans mentioned (community-driven)
- Con: Mobile app mentioned by a third-party, not directly by LibreNMS
Key features
SigNoz
Open-source APM and observability
SigNoz offers a very generous pricing model with its free Community tier, providing full features and unlimited data for self-hosted users.
Strengths
- Pro: Open source observability
- Pro: All-in-one
- Pro: Self-hostable
- Pro: OpenTelemetry native
- Pro: Fair cloud pricing
Weaknesses
- Con: Newer platform
- Con: Self-hosting complex
- Con: Smaller community
- Con: Documentation improving
- Con: Less features than Datadog
Key features
Plans and prices: LibreNMS vs SigNoz
| Tool | Plans and prices | Source |
|---|---|---|
| LibreNMS | No plan prices on file | librenms.org |
| SigNoz |
| signoz.io/pricing read Oct 18, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on LibreNMS pricing and SigNoz pricing.
Key Takeaways
LibreNMS
- Choose if you want automated network discovery, monitoring, and alerting for your entire infrastructure
SigNoz
- Choose if you want open-source APM and observability
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only LibreNMS has a published user rating (4.7/5 from 14 reviews); SigNoz has none we can show.
- SigNoz starts at $199/mo, billed monthly; LibreNMS has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do LibreNMS and SigNoz compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only LibreNMS has a published user rating (4.7/5 from 14 reviews); SigNoz has none we can show. SigNoz starts at $199/mo, billed monthly; LibreNMS has no public paid plan price on file. Both have a free plan.
What are LibreNMS and SigNoz used for?
LibreNMS: Automated network discovery, monitoring, and alerting for your entire infrastructure. SigNoz: Open-source APM and observability.
What does LibreNMS cost vs SigNoz?
LibreNMS is free. SigNoz's cheapest paid plan is Teams at $199/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 18, 2026.
What's the main difference between LibreNMS and SigNoz?
LibreNMS's main strength: open-source and free to use. SigNoz's main strength: open source observability.