# Corelight Zeek alternatives and competitors (2026) The closest Corelight Zeek alternatives are [Exabeam NetMon](https://cybersectools.com/tools/exabeam-netmon), [Stamus Networks Clear NDR](https://cybersectools.com/tools/stamus-networks-clear-ndr) and [Absolute Insights for Network](https://cybersectools.com/tools/absolute-insights-for-network). Picking a Corelight Zeek alternative comes down to fit: Network Detection and Response coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it. 44 alternatives. Closest matches: Exabeam NetMon, Stamus Networks Clear NDR, Absolute Insights for Network. ## The product [Corelight Zeek](https://cybersectools.com/tools/corelight-zeek) by Corelight Open source network security monitoring tool for traffic analysis Category: [Network Security](https://cybersectools.com/categories/network-security) · Pricing model: Free ## Corelight Zeek alternatives and competitors Corelight Zeek is a free [Network Detection and Response](https://cybersectools.com/categories/ndr) solution made by Corelight. The closest matches by shared tags and NIST CSF 2.0 coverage are [Exabeam NetMon](https://cybersectools.com/tools/exabeam-netmon), [Stamus Networks Clear NDR](https://cybersectools.com/tools/stamus-networks-clear-ndr), [Absolute Insights for Network](https://cybersectools.com/tools/absolute-insights-for-network), [ManageEngine NetFlow Analyzer](https://cybersectools.com/tools/manageengine-netflow-analyzer), and [Array NTB Series](https://cybersectools.com/tools/array-ntb-series). All 44 alternatives on this page are ranked the same way. Want a free option? See [free and open source network security solutions](https://cybersectools.com/free), plus free picks in other categories. ## The closest Corelight Zeek alternatives These 8 solutions overlap most with Corelight Zeek. Each one says what the product does and, when the overlap is big enough, which capabilities it shares. ### 1. [Exabeam NetMon](https://cybersectools.com/tools/exabeam-netmon) Network monitoring and detection solution for threat analysis [Network Detection and Response](https://cybersectools.com/categories/ndr) · Commercial Key features: 4 listed. See them on the [Exabeam NetMon page](https://cybersectools.com/tools/exabeam-netmon#features). [Exabeam NetMon alternatives](https://cybersectools.com/alternatives/exabeam-netmon) · [Corelight Zeek vs Exabeam NetMon](https://cybersectools.com/compare/corelight-zeek-vs-exabeam-netmon) ### 2. [Stamus Networks Clear NDR](https://cybersectools.com/tools/stamus-networks-clear-ndr) Network detection and response platform for threat detection and analysis [Network Detection and Response](https://cybersectools.com/categories/ndr) · Commercial Key features: 10 listed. See them on the [Stamus Networks Clear NDR page](https://cybersectools.com/tools/stamus-networks-clear-ndr#features). [Stamus Networks Clear NDR alternatives](https://cybersectools.com/alternatives/stamus-networks-clear-ndr) · [Corelight Zeek vs Stamus Networks Clear NDR](https://cybersectools.com/compare/corelight-zeek-vs-stamus-networks-clear-ndr) ### 3. [Absolute Insights for Network](https://cybersectools.com/tools/absolute-insights-for-network) Digital experience monitoring for network, device, and app performance [Network Detection and Response](https://cybersectools.com/categories/ndr) · Commercial Key features: 10 listed. See them on the [Absolute Insights for Network page](https://cybersectools.com/tools/absolute-insights-for-network#features). [Absolute Insights for Network alternatives](https://cybersectools.com/alternatives/absolute-insights-for-network) · [Corelight Zeek vs Absolute Insights for Network](https://cybersectools.com/compare/absolute-insights-for-network-vs-corelight-zeek) ### 4. [ManageEngine NetFlow Analyzer](https://cybersectools.com/tools/manageengine-netflow-analyzer) Flow-based network traffic monitoring and bandwidth analysis tool [Network Detection and Response](https://cybersectools.com/categories/ndr) · Commercial Key features: 10 listed. See them on the [ManageEngine NetFlow Analyzer page](https://cybersectools.com/tools/manageengine-netflow-analyzer#features). [ManageEngine NetFlow Analyzer alternatives](https://cybersectools.com/alternatives/manageengine-netflow-analyzer) · [Corelight Zeek vs ManageEngine NetFlow Analyzer](https://cybersectools.com/compare/corelight-zeek-vs-manageengine-netflow-analyzer) ### 5. [Array NTB Series](https://cybersectools.com/tools/array-ntb-series) Network traffic broker for visibility, monitoring, and traffic optimization [Network Detection and Response](https://cybersectools.com/categories/ndr) · Commercial Key features: 10 listed. See them on the [Array NTB Series page](https://cybersectools.com/tools/array-ntb-series#features). [Array NTB Series alternatives](https://cybersectools.com/alternatives/array-ntb-series) · [Corelight Zeek vs Array NTB Series](https://cybersectools.com/compare/array-ntb-series-vs-corelight-zeek) ### 6. [TEHTRIS NTA](https://cybersectools.com/tools/tehtris-nta) Network traffic analysis tool for real-time intrusion detection and monitoring [Network Detection and Response](https://cybersectools.com/categories/ndr) · Commercial Key features: 10 listed. See them on the [TEHTRIS NTA page](https://cybersectools.com/tools/tehtris-nta#features). [TEHTRIS NTA alternatives](https://cybersectools.com/alternatives/tehtris-nta) · [Corelight Zeek vs TEHTRIS NTA](https://cybersectools.com/compare/corelight-zeek-vs-tehtris-nta) ### 7. [Gatewatcher TAP Qualifié](https://cybersectools.com/tools/gatewatcher-tap-qualifie) Qualified network TAPs for traffic duplication and network monitoring [Network Detection and Response](https://cybersectools.com/categories/ndr) · Commercial Key features: 10 listed. See them on the [Gatewatcher TAP Qualifié page](https://cybersectools.com/tools/gatewatcher-tap-qualifie#features). [Gatewatcher TAP Qualifié alternatives](https://cybersectools.com/alternatives/gatewatcher-tap-qualifie) · [Corelight Zeek vs Gatewatcher TAP Qualifié](https://cybersectools.com/compare/corelight-zeek-vs-gatewatcher-tap-qualifie) ### 8. [Viettel VCS-NSM](https://cybersectools.com/tools/viettel-vcs-nsm) Real-time network security monitoring for threat detection using DPI and sandbox [Network Detection and Response](https://cybersectools.com/categories/ndr) · Commercial Key features: 10 listed. See them on the [Viettel VCS-NSM page](https://cybersectools.com/tools/viettel-vcs-nsm#features). [Viettel VCS-NSM alternatives](https://cybersectools.com/alternatives/viettel-vcs-nsm) · [Corelight Zeek vs Viettel VCS-NSM](https://cybersectools.com/compare/corelight-zeek-vs-viettel-vcs-nsm) ## All 44 products like Corelight Zeek The 8 above, plus: - [Gigamon TLS/SSL Decryption](https://cybersectools.com/tools/gigamon-tlsssl-decryption): TLS/SSL decryption for network traffic visibility and security analysis (Commercial) - [NIKSUN FlowAggregator™](https://cybersectools.com/tools/niksun-flowaggregatortm): Flow-based network monitoring platform for performance and security visibility (Commercial) - [Plixer One Security](https://cybersectools.com/tools/plixer-plixer-one-security): Network visibility and security insights platform for IT environments (Commercial) - [ScoutDNS Network Visibility](https://cybersectools.com/tools/scoutdns-network-visibility): DNS-layer network visibility and monitoring with query logging and analytics (Commercial) - [Nubeva SKI](https://cybersectools.com/tools/nubeva-ski): TLS decryption solution that extracts session keys from memory for traffic inspection (Commercial) - [cPacket Unified Observability Platform](https://cybersectools.com/tools/cpacket-unified-observability-platform): Modular network observability platform for packet brokering, capture & analytics. (Commercial) - [Cryptomage Cyber Eye™](https://cybersectools.com/tools/cryptomage-cyber-eyetm): Polish NDR appliance for network threat detection, forensics & GDPR compliance. (Commercial) - [Cyberspatial Teleseer](https://cybersectools.com/tools/cyberspatial-teleseer): Passive network intelligence platform for gov/defense with real-time visibility. (Commercial) - [Genie Networks GenieATM FLB](https://cybersectools.com/tools/genie-networks-genieatm-flb): Flow load balancer for distributing & filtering NetFlow records to collectors. (Commercial) - [Kentik Network Security and Compliance](https://cybersectools.com/tools/kentik-nms): Network intelligence platform for detecting, and responding to security incidents (Commercial) - [MetaFlows](https://cybersectools.com/tools/metaflows): Network security monitoring platform with IDS, PCAP capture, and asset discovery. (Commercial) - [Repacket](https://cybersectools.com/tools/repacket): Enterprise network monitoring via deep packet inspection & traffic classification. (Commercial) - [Solana Networks SmartFlow](https://cybersectools.com/tools/solana-networks-smartflow): Flow-based network security monitoring tool using anomaly detection. (Commercial) - [Trinity Cyber Full Content Inspection (FCI)](https://cybersectools.com/tools/trinity-cyber-full-content-inspection-fci): Network defense platform with real-time content inspection & threat blocking (Commercial) - [Fox IO JA4+](https://cybersectools.com/tools/fox-io-ja4): Protocol-layer network fingerprinting suite for bot, proxy & malware detection. (Commercial) - [Cienaga Systems](https://cybersectools.com/tools/cienaga-systems): AI-driven network security platform for MSPs serving SMBs. (Commercial) - [Allentis Tapics Copper TAP](https://cybersectools.com/tools/allentis-tapics-copper-tap): Passive copper TAP range for non-intrusive Ethernet traffic monitoring. (Commercial) - [Garland Technology EdgeLens](https://cybersectools.com/tools/garland-technology-edgelens): Bypass TAP/packet broker hybrid for before-and-after inline tool traffic analysis. (Commercial) - [Hyprfire Firebug](https://cybersectools.com/tools/hyprfire-firebug): Managed NDR solution delivering network threat hunting via passive traffic metadata. (Commercial) - [Port0 Network Security](https://cybersectools.com/tools/port0-network-security): NDR platform fusing network traffic with identity, endpoint & cloud signals. (Commercial) - [GREYCORTEX Mendel](https://cybersectools.com/tools/greycortex-mendel): Network detection and response platform for IT, IoT, and OT threat monitoring (Commercial) - [Innspark Flowgen](https://cybersectools.com/tools/innspark-flowgen): Network probe providing traffic visibility and analysis via NetFlow and IPFIX protocols (Commercial) - [Telesoft FlowProbe](https://cybersectools.com/tools/telesoft-flowprobe) (Commercial) - [EfficientIP SOLIDserver DDI](https://cybersectools.com/tools/efficientip-solidserver-ddi): DDI platform with DNS security, DHCP, and IPAM for enterprise networks. (Commercial) - [LECS Platform](https://cybersectools.com/tools/lecs-platform): Plug&play NDR for internal network visibility across IT, OT, IoT, medical (Commercial) - [Vectra AI Cybersecurity](https://cybersectools.com/tools/vectra-ai-cybersecurity): AI-driven NDR platform detecting threats across network, identity, and cloud (Commercial) - [Trend Micro Network Detection and Response](https://cybersectools.com/tools/trend-micro-network-detection-and-response): NDR solution providing network visibility, threat detection, and intrusion prevention (Commercial) - [Huawei SecoManager Security Controller](https://cybersectools.com/tools/huawei-secomanager-security-controller): Security controller for policy mgmt, orchestration & log management (Commercial) - [MixMode AI Cyber Defense](https://cybersectools.com/tools/mixmode-ai-cyber-defense): AI-powered threat detection platform using self-supervised learning for NDR (Commercial) - [RedBorder Cybersecurity](https://cybersectools.com/tools/redborder-cybersecurity): NDR platform with NGIPS, NetFlow/sFlow analysis, SIEM, and correlation engine (Commercial) - [Red Piranha Crystal Eye NDR](https://cybersectools.com/tools/red-piranha-crystal-eye-ndr): NDR solution with threat intelligence, PCAP analysis, and SOC services (Commercial) - [Aireye WDR (Wireless Detection and Response)](https://cybersectools.com/tools/aireye-wdr-wireless-detection-and-response): WDR platform for Wi-Fi security protecting IT/OT assets wirelessly (Commercial) - [Logpoint NDR](https://cybersectools.com/tools/logpoint-ndr): A network detection and response solution that uses AI and machine learning to monitor network traffic, identify malicious behavior, and connect related security events to reveal attack patterns without requiring endpoint agents. (Commercial) - [DBAppSecurity DAS Network Detection and Response (DAS-NDR)](https://cybersectools.com/tools/dbappsecurity-das-network-detection-and-response-das-ndr): Network detection and response system for threat detection and analysis (Commercial) - [WatchGuard ThreatSync NDR](https://cybersectools.com/tools/watchguard-threatsync-ndr): Cloud-native NDR with AI-based threat detection for SMBs (Commercial) - [Sangfor Cyber Command NDR Platform](https://cybersectools.com/tools/sangfor-cyber-command-ndr-platform): NDR platform for threat detection and response via network traffic monitoring (Commercial) ## Alternatives to each of these [Exabeam NetMon alternatives](https://cybersectools.com/alternatives/exabeam-netmon) · [Stamus Networks Clear NDR alternatives](https://cybersectools.com/alternatives/stamus-networks-clear-ndr) · [Absolute Insights for Network alternatives](https://cybersectools.com/alternatives/absolute-insights-for-network) · [ManageEngine NetFlow Analyzer alternatives](https://cybersectools.com/alternatives/manageengine-netflow-analyzer) · [Array NTB Series alternatives](https://cybersectools.com/alternatives/array-ntb-series) · [TEHTRIS NTA alternatives](https://cybersectools.com/alternatives/tehtris-nta) · [Gatewatcher TAP Qualifié alternatives](https://cybersectools.com/alternatives/gatewatcher-tap-qualifie) · [Viettel VCS-NSM alternatives](https://cybersectools.com/alternatives/viettel-vcs-nsm) · [Gigamon TLS/SSL Decryption alternatives](https://cybersectools.com/alternatives/gigamon-tlsssl-decryption) · [NIKSUN FlowAggregator™ alternatives](https://cybersectools.com/alternatives/niksun-flowaggregatortm) · [Plixer One Security alternatives](https://cybersectools.com/alternatives/plixer-plixer-one-security) · [ScoutDNS Network Visibility alternatives](https://cybersectools.com/alternatives/scoutdns-network-visibility) ## Other Corelight products [Corelight Investigator alternatives](https://cybersectools.com/alternatives/corelight-investigator) · [Corelight Open NDR Platform alternatives](https://cybersectools.com/alternatives/corelight-open-ndr-platform) ## Compare Corelight Zeek with - [Corelight Zeek vs Exabeam NetMon](https://cybersectools.com/compare/corelight-zeek-vs-exabeam-netmon) - [Corelight Zeek vs Stamus Networks Clear NDR](https://cybersectools.com/compare/corelight-zeek-vs-stamus-networks-clear-ndr) - [Corelight Zeek vs Absolute Insights for Network](https://cybersectools.com/compare/absolute-insights-for-network-vs-corelight-zeek) - [Corelight Zeek vs ManageEngine NetFlow Analyzer](https://cybersectools.com/compare/corelight-zeek-vs-manageengine-netflow-analyzer) - [Corelight Zeek vs Array NTB Series](https://cybersectools.com/compare/array-ntb-series-vs-corelight-zeek) - [Corelight Zeek vs TEHTRIS NTA](https://cybersectools.com/compare/corelight-zeek-vs-tehtris-nta) - [Corelight Zeek vs Gatewatcher TAP Qualifié](https://cybersectools.com/compare/corelight-zeek-vs-gatewatcher-tap-qualifie) - [Corelight Zeek vs Viettel VCS-NSM](https://cybersectools.com/compare/corelight-zeek-vs-viettel-vcs-nsm) ## Corelight Zeek Alternatives FAQ ### What are the closest alternatives to Corelight Zeek? The closest matches to Corelight Zeek by shared tags and NIST CSF 2.0 coverage are Exabeam NetMon, Stamus Networks Clear NDR, Absolute Insights for Network, ManageEngine NetFlow Analyzer, and Array NTB Series. All of them are Network Detection and Response products. ### How many alternatives to Corelight Zeek are available? This page shows 44 alternatives to Corelight Zeek, all in the Network Detection and Response category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first. ### Is Corelight Zeek free or commercial? Corelight Zeek is a free Network Detection and Response product. You can use it at no cost. Only commercial alternatives are listed here. Free and open source products are under /free. ### What type of solution is Corelight Zeek? Corelight Zeek is a Network Detection and Response product in the Network Security category. You can compare it with the 44 other Network Detection and Response products on this page. --- Source: https://cybersectools.com/alternatives/corelight-zeek For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any product or compare page has a Markdown copy too (add .md to its URL). More on Corelight Zeek and its alternatives: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=alternatives-md