FlowPro NG · NET Service Solution s.r.o.
A self-hosted security platform that combines log management and SIEM, a NetFlow/IPFIX/sFlow collector with anomaly detection, Suricata IDS, a honeypot and vulnerability tracking with EPSS and CISA KEV in one package. It is built on Elasticsearch, ClickHouse and Kafka and installs from packages on Ubuntu 24.04.
- Pricing model
- A free version (5 agents, 1 flow source) and annual licenses by number of agents (Core 50, Security 200, Enterprise unlimited), not by data volume.
- Best for
- Small and mid-sized organisations and NIS2-regulated entities that want logs, network flows and vulnerabilities in one self-hosted tool, with predictable pricing and Czech-speaking support.
Wazuh · Wazuh, Inc.
A widely adopted open source XDR and SIEM platform, free to run on your own infrastructure. Its main strength is the endpoint: an agent with host-based intrusion detection (HIDS), file integrity monitoring, configuration assessment and vulnerability detection, backed by a large community.
- Pricing model
- The open source edition is free; the managed Wazuh Cloud has monthly plans by number of active agents and data retention.
- Best for
- Teams with in-house Linux and security expertise whose priority is protecting servers and workstations (HIDS, file integrity) and who want open source with no license fees.
Sources: Wazuh platform overview, Wazuh Cloud plans, Wazuh vulnerability detection, Wazuh + Suricata (PoC guide), Ensuring NIS2 compliance with Wazuh, Wazuh regulatory compliance
Elastic Security · Elastic N.V.
SIEM and endpoint protection built on Elasticsearch and Kibana, with a large set of prebuilt detection rules and hundreds of Elastic Agent integrations. Its big advantage is flexibility: data, queries and dashboards can be shaped almost any way you like, self-managed or in Elastic Cloud.
- Pricing model
- Self-managed licenses by nodes and RAM (core features free), Elastic Cloud by resources, and the serverless offering by GB ingested and retained.
- Best for
- Organisations with in-house engineers who want to build a tailored solution, need a wide range of integrations or already run the Elastic Stack.
Sources: Elastic subscriptions, Elastic pricing, Elastic Security Serverless pricing, NetFlow integration, Suricata integration, File Integrity Monitoring integration, Wiz integration (vulnerability findings), Tenable VM integration
Splunk Enterprise Security · Splunk (Cisco)
One of the most widely used enterprise SIEMs, run on your own infrastructure (Splunk Enterprise) or as Splunk Cloud. It stands out for scale, the SPL query language, risk-based alerting, SOAR and UEBA integration and a huge app ecosystem on Splunkbase.
- Pricing model
- Quote-based; for Enterprise Security Splunk offers ingest-based, workload-based or activity-based pricing.
- Best for
- Large organisations with their own SOC and budget that need to process very large data volumes from many sources and use a broad ecosystem of apps and partners.
Sources: Splunk Enterprise Security, Splunk pricing, About Splunk Free, Splunk Stream: NetFlow and IPFIX, Splunkbase: Suricata add-on
Progress Flowmon · Progress Software
A specialised flow-based network monitoring and network detection and response (NDR) solution, originally from Brno and now part of Progress Software. Its strength is deep network traffic analysis: collectors and probes supporting NetFlow, IPFIX, sFlow and more, plus the ADS module for behavioural anomaly detection.
- Pricing model
- Quote-based; hardware, virtual and cloud appliances in several capacity models, with a 30-day trial.
- Best for
- Organisations and providers with large networks that need specialised, high-scale network traffic and performance analysis and already have, or will buy, a separate SIEM for logs.
Sources: Progress Flowmon, Flowmon ADS, Flowmon NetFlow Collector, Flowmon vendor compatibility list, Signature-based detection in Flowmon (Suricata), Flowmon free trial, Kemp & Flowmon join Progress