Open-source data collector for unified logging
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15 reviews trackedThe Bottom Line
Entry price
Free, no paid tier
Biggest pro
Unified logging layer
Biggest con
Ruby-based (resource use)
TL;DR - Fluentd
- Fluentd is an open-source data collector for unified logging infrastructure
- It collects logs from multiple sources and routes them to various destinations
- Completely free and open-source
Pricing: Free forever
Best for: Individuals & startups
4.4/5 across review platforms
What is Fluentd?
Fluentd unifies logging infrastructure. Collect logs from anywhere, process them flexibly, send them anywhere-the log aggregation layer that connects sources to destinations.
The plugin ecosystem is vast. The architecture handles scale. The community maintains broad compatibility.
Operations teams building logging infrastructure often use Fluentd as the collection and routing layer.
Available on: Web
Pros & Cons
Pros
- Unified logging layer
- Many plugins
- CNCF project
- Good Kubernetes support
- Reliable
Cons
- Ruby-based (resource use)
- Plugin quality varies
- Configuration learning curve
- Debugging difficult
- Some performance overhead
Ratings Across the Web
4.4(15 reviews)
Ratings aggregated from independent review platforms. Learn more
Key Features
Log collectionUnified loggingPluginsBufferingCNCFOpen source
Pricing Plans
Most Popular
Free
Free
Open source
- Unified logging
- 500+ plugins
- Reliable delivery
- CNCF project
Reviews
4.4/5
Across 15 verified user reviews on G2
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Fluentd FAQ
Is Fluentd free?
Yes, Fluentd is open source under Apache 2.0. CNCF graduated project. Completely free.
What is Fluentd?
Fluentd is an open-source data collector. Unify logging infrastructure. Input from many sources, output to many destinations.
Fluentd vs Logstash?
Fluentd is lighter and more reliable. Logstash has more plugins and Elastic integration. Fluentd for Kubernetes; Logstash for Elastic Stack.
What is Fluent Bit?
Fluent Bit is Fluentd's lightweight sibling. Optimized for containers and embedded systems. Often used together.
Source: fluentd.org