44 open-source Network & Monitoring vendors
Open-source software for Network & Monitoring that you can self-host, with auditable source code — regardless of the developer's headquarters.
- vendors scored
- 44
- European
- 20
- foreign-owned
- 1
- last checked
- 12 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
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- Sovereignty score 94 out of 100AkvoradoFrance · Self-hosted / open sourceOpen-source collector and visualiser for network flow data (NetFlow, IPFIX, sFlow), developed by Free (France); AGPL-3.0, self-hosted with ClickHouse.
- Sovereignty score 94 out of 100CentreonFrance · EU sovereignFrench open-source IT monitoring platform for hybrid infrastructures
- Sovereignty score 94 out of 100CheckmkGermany · EU-hosted, non-EU parent · owner in United StatesCheckmk is an open-source IT infrastructure monitoring platform developed by Checkmk GmbH (Munich, Germany). In February 2025, US growth-equity firm PSG Equity acquired a majority controlling stake, making PSG (US) the ultimate parent. The software itself remains open source, but the company is no longer EU-controlled.
- Sovereignty score 94 out of 100collectdGermany · Self-hosted / open sourceGerman (Nuremberg) open-source (GPL/LGPL) system-statistics collection daemon written in C, with 100+ plugins for gathering performance metrics from systems and applications since 2005.
- Sovereignty score 94 out of 100Healthchecks.ioLatvia · Self-hosted / open sourceOpen-source service for monitoring cron jobs and background tasks, with alerts when pings are missing. Operated by a Latvian company based in Riga.
- Sovereignty score 94 out of 100IcingaGermany · Self-hosted / open sourceGerman open-source monitoring framework, fork of Nagios with modern architecture
- Sovereignty score 94 out of 100KiekerGermany · Self-hosted / open sourceOpen-source observability framework for application performance monitoring and tracing, maintained by Kiel University (Germany); Apache-2.0, self-hosted.
- Sovereignty score 94 out of 100MRTGSwitzerland · Self-hosted / open sourceOpen-source tool (GPL) that measures SNMP network traffic and draws it as graphs. Developed by OETIKER+PARTNER AG in Olten, Switzerland.
- Sovereignty score 94 out of 100NaemonGermany · Self-hosted / open sourceOpen-source network and application monitoring based on the Nagios 4 core, maintained by ConSol Software GmbH (Germany); GPL-2.0, self-installed.
- Sovereignty score 94 out of 100NetXMSLatvia · Self-hosted / open sourceOpen-source platform for monitoring networks, servers and applications (GPLv2), developed by Raden Solutions in Riga (Latvia); self-hosted.
- Sovereignty score 94 out of 100ntopngItaly · Self-hosted / open sourceItalian open-source network traffic monitoring and analytics platform
- Sovereignty score 94 out of 100OMD (Open Monitoring Distribution)Germany · Self-hosted / open sourceOpen-source monitoring distribution bundling Naemon, Thruk and Grafana, maintained by ConSol Software GmbH (Germany); GPL-2.0, self-installed on own servers.
- Sovereignty score 94 out of 100openITCOCKPITGermany · Self-hosted / open sourceGerman open-source IT monitoring platform with intuitive web interface
- Sovereignty score 94 out of 100Pandora FMSSpain · EU sovereignSpanish monitoring platform from Madrid for infrastructure, network and application performance
- Sovereignty score 94 out of 100rsyslogGermany · Self-hosted / open sourceOpen-source syslog daemon for collecting, processing and forwarding log messages, developed by Adiscon GmbH in Großrinderfeld (Germany); self-hosted.
- Sovereignty score 94 out of 100ShinkenFrance · Self-hosted / open sourceFrench (Artigues-près-Bordeaux) open-source (AGPLv3) monitoring framework, Nagios-plugin compatible but with a distributed, message-bus architecture for large-scale network and systems monitoring.
- Sovereignty score 94 out of 100SmokePingSwitzerland · Self-hosted / open sourceSwiss (Olten) open-source latency measurement and visualisation tool, developed by Tobias Oetiker (also known for RRDtool and MRTG), with RRDtool-based graphs of packet loss and latency.
- Sovereignty score 94 out of 100ThrukGermany · Self-hosted / open sourceOpen-source web interface for Nagios, Icinga and Naemon monitoring (Artistic/GPL), published by ConSol Labs in Munich (Germany); self-hosted.
- Sovereignty score 94 out of 100UptraceGermany · EU sovereignGerman OpenTelemetry-native observability platform with an open-source core.
- Sovereignty score 94 out of 100ZabbixLatvia · EU sovereignLatvian open-source enterprise monitoring platform for networks, servers and cloud
- Sovereignty score 79 out of 100LibreNMSUnited Kingdom · Self-hosted / open sourceOpen-source network monitoring system with auto-discovery and alerting
- Sovereignty score 79 out of 100ObserviumUnited Kingdom · Self-hosted / open sourceNetwork monitoring platform with auto-discovery for switches, routers and servers
- Sovereignty score 71 out of 100CactiUnited States · Self-hosted / open sourceOpen-source network and server monitoring based on RRDtool (GPL-2), maintained by The Cacti Group (US); self-hostable in your own data centre.
- Sovereignty score 71 out of 100JaegerUnited States · Self-hosted / open sourceOpen-source, CNCF-graduated distributed tracing platform for microservices, originally developed by Uber.
- Sovereignty score 71 out of 100MuninUnited States · Self-hosted / open sourceOpen-source (GPL) networked resource monitoring tool with RRDtool graphing and a master/node architecture, maintained by an international community of volunteers with no controlling company.
- Sovereignty score 71 out of 100OpenNMSUnited States · Self-hosted / open sourceOpen-source enterprise network and systems monitoring platform with a web UI, maintained by The OpenNMS Group (part of NantHealth since 2020).
- Sovereignty score 71 out of 100RANCIDUnited States · Self-hosted / open sourceOpen-source configuration and revision management for network devices (Really Awesome New Cisco confIg Differ) by Shrubbery Networks (US); self-hostable.
- Sovereignty score 71 out of 100SensuUnited States · Self-hosted / open sourceOpen-core (MIT) monitoring and observability pipeline tool (Sensu Go), part of Sumo Logic since 2021, with an open-source core and commercial UI/SSO extensions.
- Sovereignty score 71 out of 100TelegrafUnited States · Self-hosted / open sourceOpen-source (MIT) metrics-collection agent by InfluxData, with 300+ plugins for collecting metrics, logs and events — a standalone project alongside InfluxDB itself.
- Sovereignty score 71 out of 100ThanosUnited States · Self-hosted / open sourceOpen-source, CNCF-incubating project adding high availability and long-term storage to Prometheus, with global query federation across multiple clusters.
- Sovereignty score 71 out of 100WiresharkUnited States · Self-hosted / open sourceOpen-source network protocol analyser (GPL-2), stewarded by the Wireshark Foundation, a US non-profit; runs locally on your own workstation.
- Sovereignty score 71 out of 100ZipkinUnited States · Self-hosted / open sourceOpen-source (Apache 2.0) distributed tracing system that gathers timing data within microservice architectures, originally from Twitter and now community-maintained via OpenZipkin.
- Sovereignty score 69 out of 100BatfishUnited States · Self-hosted / open sourceOpen-source network configuration analysis and verification tool, maintained by AWS (Amazon Web Services, US); runs on your own infrastructure.
- Sovereignty score 69 out of 100FluentdUnited States · Self-hosted / open sourceOpen-source data collector for a unified logging layer, with hundreds of plugins; a CNCF graduated project under the Linux Foundation (US).
- Sovereignty score 69 out of 100NagiosUnited States · Self-hosted / open sourceOpen-source IT monitoring system for network and server monitoring
- Sovereignty score 69 out of 100NetBoxUnited States · Self-hosted / open sourceOpen-source platform as source of truth for network infrastructure (Apache 2.0), developed by NetBox Labs in New York (US).
- Sovereignty score 69 out of 100OpenObserveUnited States · Self-hosted / open sourceOpen-source observability platform for logs, metrics and traces from OpenObserve Inc. (Menlo Park, US); self-hosted or as a cloud service.
- Sovereignty score 69 out of 100OpenTelemetryUnited States · Self-hosted / open sourceOpen-source, vendor-neutral observability framework (APIs, SDKs, Collector) for traces, metrics and logs; a Cloud Native Computing Foundation project (US).
- Sovereignty score 69 out of 100PersesUnited States · Self-hosted / open sourceOpen-source dashboard specification and tool for observability data (Prometheus, Tempo, Loki) as code; CNCF sandbox project of the Linux Foundation (US), Apache-2.0.
- Sovereignty score 69 out of 100QuickwitUnited States · Self-hosted / open sourceOpen-source search engine for logs and traces (Apache 2.0), developed by Quickwit Inc. (San Francisco, US); part of Datadog since January 2025.
- Sovereignty score 69 out of 100syslog-ngUnited States · Self-hosted / open sourceOpen-source log collection and routing daemon (LGPL/GPL), published by One Identity (Aliso Viejo, US); developed in Budapest, self-hosted.
- Sovereignty score 61 out of 100Grafana LabsUnited States · Non-EU vendorOpen-source observability platform with dashboards, founded in Sweden
- Sovereignty score 61 out of 100InfluxDBUnited States · Non-EU vendorUS (San Francisco) open-source time-series database (InfluxDB OSS) with a commercial cloud offering, widely used as the backend for infrastructure and IoT monitoring.
- Sovereignty score 61 out of 100VictoriaMetricsUnited States · Non-EU vendorVictoriaMetrics is an open-source time series database and monitoring solution headquartered in San Francisco, USA. Founded originally in Kyiv, Ukraine, the company offers both a self-hosted open-source product and a managed cloud service.
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