Glances vs SigNoz
Side-by-side comparison of features, pricing, ratings, and alternatives.
Glances is an open‑source, cross‑platform monitoring tool that provides a concise, real‑time view of system resources such as CPU, memory, disk I/O, network, and processes. It runs on Linux, Windows, macOS and can be accessed via a web interface, making it ideal for both local and remote monitoring. Designed for system administrators and DevOps teams, Glances aggregates metrics into a single dashboard, supports customizable alerts, and integrates with scripts or APIs for automated workflows. Its lightweight design ensures minimal overhead while delivering comprehensive performance insights.
SigNoz is an open-source, OpenTelemetry-native observability platform that provides logs, metrics, and traces in one tool. It features APM, distributed tracing, log management, infra monitoring, and more. SigNoz helps teams build more resilient applications by providing a comprehensive observability platform.
- Fully open‑source and free
- Runs on all major operating systems
- Lightweight with low resource overhead
- Extensible via plugins and API
- Comprehensive observability platform
- Open-source and free
- Supports OpenTelemetry-native observability
- Provides AI-powered insights
- No native mobile app
- Limited built‑in visualization compared to commercial tools
- Alerting requires manual configuration or external scripts
- Steep learning curve
- Limited support options
- Requires technical expertise
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The Verdict
AI-generated from listing dataGlances is a lightweight, free, cross‑platform system monitor; SigNoz is a free, self‑hosted observability platform with broader tracing, logging, and AI features.
Key differences
- •Scope: Glances focuses on OS‑level metrics; SigNoz covers logs, metrics, traces, and APM.
- •Extensibility: Glances uses plugins and exports to many back‑ends; SigNoz offers built‑in OpenTelemetry support and AI insights.
- •Learning curve: Glances is ready‑to‑run with minimal setup; SigNoz requires more configuration and expertise.
- •API availability: SigNoz provides an API; Glances lists no API despite a REST interface claim.
- •Target audience: Glances serves sysadmins/DevOps for real‑time host monitoring; SigNoz targets developers needing full‑stack observability.
Pricing & value
Both are free and open‑source, offering comparable cost‑free value.
Ease of use / learning curve
Glances runs out‑of‑the‑box with simple CLI/web UI; SigNoz has a steep learning curve and requires more setup.
Features & depth
SigNoz provides logs, metrics, traces, APM, and AI insights, a broader feature set than Glances' host metrics.
Integrations & ecosystem
Glances lists many integrations (InfluxDB, Prometheus, Elasticsearch, Cassandra, Kafka, RabbitMQ, Docker) versus SigNoz's three primary integrations.
Collaboration
SigNoz’s observability data (traces, logs) is designed for team debugging; Glances is primarily single‑user host monitoring.
Scalability
SigNoz is built for distributed tracing and can scale across services; Glances monitors individual hosts.
Support
Both offer limited support: Glances via email/GitHub Issues; SigNoz via email and documentation.
Choose Glances if…
Sysadmins or DevOps needing lightweight, cross‑platform host monitoring with minimal setup.
Choose SigNoz if…
Development teams requiring full‑stack observability, tracing, logging, and AI‑driven insights.
Common questions
Is there any cost to use either tool?
Both Glances and SigNoz are free and open‑source.
Which tool supports distributed tracing and log management?
SigNoz provides native distributed tracing and log management; Glances does not.
Can I monitor Docker containers with both tools?
Glances supports Docker via plugins; SigNoz can ingest Docker metrics through OpenTelemetry but not listed as a direct integration.