Kibana, released by Elastic in 2012, is a data visualization platform that presents Elasticsearch data through a browser interface, supporting dashboards, Lens drag-and-drop charting, and alerting as the visualization frontend of the ELK Stack.
Wazuh is an open source SIEM/XDR security monitoring platform forked from OSSEC in 2015, integrating log analysis, file integrity monitoring, vulnerability detection, and compliance management with 10,000+ GitHub Stars.
Elasticsearch, released by Elastic in 2012, is a distributed search and analytics engine that scales to PB-level data with sub-second full-text retrieval, forming the core of the ELK Stack with 40M+ monthly downloads.
Graylog, founded in 2010 and headquartered in Houston, Texas, USA, is an open-source centralized log management platform offering log collection, search, alerting, and analysis with a 3-component architecture that scales to TB-level data.
Screaming Frog is a UK-based technical SEO desktop tool brand; its SEO Spider crawls 500 URLs free and $279/year paid, and together with Log File Analyser and an API it covers auditing, log analysis and automation.
Logtail is a Netherlands-based log management platform by Better Stack, powered by ClickHouse for sub-second log search. It offers real-time log streaming, flexible alerting, and 30+ integrations for quick observability setup.
GoAccess is an open-source real-time web log analyzer that reflects traffic in milliseconds from server logs, supports Apache/Nginx/CloudFront formats and HTML/JSON/CSV output, and is fully local, self-hosted, free, and privacy-friendly.