open-flag
The premium Open Source alternative to Splunk
🎯 Best for:High-volume log ingestion scenarios.
What is open-flag?
A horizontally scalable log management system built on Go, Kafka, and S3-compatible storage. It replaces expensive log ingestion services like Splunk by leveraging low-cost object storage and high-throughput stream processing.
Tech Stack
PythonMonitoring & Logs
Why open-flag?
- • Horizontally scalable
- • Uses cheap S3 storage
- • Modern Go/gRPC stack
Limitations
- • Requires Kafka (Complex)
- • Heavy infrastructure footprint
- • Self-managed updates
10/15/2025
Last Update
0
Forks
0
Issues
Unknown
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to open-flag instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Splunk)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%