11 Open Source Alternatives to Splunk

Grafana connects to data sources such as Prometheus, Loki, Elasticsearch, InfluxDB, Postgres, and many more, allowing users to build interactive dashboards and detailed visualizations. The platform supports adaptive telemetry, AI/ML-powered root cause analysis, and streamlined incident response, making it a comprehensive solution for modern observability and monitoring needs.

Apache Superset enables users to transform raw data into interactive visualizations with over 40 pre-installed chart types. It offers a drag-and-drop interface alongside a powerful SQL IDE, making it easy to explore data from modern SQL-based databases. The platform’s lightweight, scalable architecture supports rapid development of diverse dashboards, along with features like data caching, semantic layers, and interactive filters to drive insightful analysis.

Uptrace leverages OpenTelemetry to deliver real-time insights into distributed systems by correlating traces, metrics, and logs on a single dashboard. It simplifies monitoring with built-in features like service graphs, custom dashboards, and alerting. The tool supports flexible deployment options, allowing you to self-host or use the managed cloud service. Designed for scalability, it ensures quick setup, cost savings, and predictable billing based on ingested data size and active timeseries.

Logstash ingests data from a multitude of sources such as logs, metrics, web applications, and data stores in a continuous, streaming fashion. With a rich library of filters—including grok for parsing and IP-to-geo transformations—it cleans, structures, and tailors your data for analysis. The pipeline’s durability is ensured by its persistent queue and at-least-once delivery, while centralized management and monitoring features provide full deployment visibility.

HyperDX simplifies the process of instrumenting and correlating distributed traces, logs, and metrics for rapid issue resolution. It features intuitive full-text search, automatic clustering of log patterns, and correlated session replays that trace every user request from client to server. Built with ClickHouse, it enables swift searches across terabytes of data while remaining vendor agnostic with native OpenTelemetry support, all designed to empower high-velocity engineering teams.

Tracecat offers a modern, scalable automation platform that enables users to trigger workflows via webhooks or scheduled cron jobs. Built on simple YAML templates, it supports both no-code drag-and-drop builders and code-based version control. The platform integrates pre-built connectors and allows custom integrations, facilitating extensive playbook automation, SIEM alert enrichment, and API monitoring. Self-host deployment is simplified with Docker Compose, Terraform, and Kubernetes scripts, all underpinned by Temporal for durable execution.

SigNoz ingests data from over 50 sources to offer a unified view of metrics, traces, logs, dashboards, alerts, and exceptions. The tool is designed to help you track user requests across services, troubleshoot performance issues in real time, and gain richer debugging context through correlated signals. With flexible deployment options including self-hosting, cloud, and on-prem solutions, it leverages a high-performance ClickHouse-based storage for rapid data queries and analysis.

Coroot automatically gathers metrics, logs, traces, and continuous profiles without any code changes. Preconfigured dashboards, service maps, and threshold-based inspections help users quickly identify anomalies and perform root cause analysis. Its distributed tracing and fast log clustering enable one-click exploration of outlier requests, while integrations with Slack, PagerDuty, and MS Teams ensure timely alerts. Deployed on your own infrastructure, Coroot scales with your environment and even offers built-in cost monitoring. Pricing starts at $1 CPU core/month, with volume discounts available for larger deployments.

Redash combines a powerful online SQL editor with dynamic dashboard capabilities to enable efficient data analysis and sharing. It supports SQL, NoSQL, Big Data, and API data sources, allowing users to query diverse datasets effortlessly. Features like schema browsing, query snippets, drag & drop visualization, and scheduled refreshes provide a streamlined experience. Its open-source foundation also encourages customization and community contributions.

Graylog delivers powerful SIEM capabilities within a unified platform designed for centralized log management, data enrichment, and real-time alerting. It streamlines security investigations with features like GenAI-powered incident summaries and prioritized high-fidelity alerts, while its scalable architecture reduces storage costs by efficiently routing standby data. Suitable for security analysts, IT professionals, and DevOps engineers, Graylog enhances operational workflows and supports effective threat detection.

Matano centralizes all security logs into a scalable data lake that ingests data from over 1000 sources with prebuilt parsers. With 800+ out-of-the-box detection rules and a Splunk-compatible search language, it facilitates rapid threat hunting and real-time alerting. Its integration with diverse data platforms ensures enriched context and a unified view for advanced cybersecurity analytics.