Best Open Source Alternatives to SolarWinds

Compare the best free and open-source alternatives to SolarWinds — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 5 alternatives

SolarWinds

Proprietary SaaS

SolarWinds alternatives compared

Open-source alternatives to SolarWinds, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
NetData	81,259	GPL-3.0	Web	No	Nov 2026	Visit
Checkmk	2,632	GPL-2.0	Web	No	Nov 2026	Visit
Icinga	2,245	GPL-3.0	Web	No	Nov 2026	Visit
Nagios	2,065	GPL-2.0	Web	No	Oct 2026	Visit
HomeLab Monitor	230	MIT	DockerLinuxWeb	Yes	Nov 2026	Visit

Top open-source SolarWinds alternatives

NetData81,259GPL-3.0

Netdata is an open-source real-time infrastructure monitor that tracks per-second server and container metrics locally with zero query latency.

Web

vs SolarWinds: a free, open-source option you fully control, licensed GPL-3.0.

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Edgar Sipki

Go & gRPC engineer · founder of EasyP

Promoted

Mentoring for backend developers. Consulting for startups.

Go, gRPC and Protobuf done right, LLM agents in production, and the hard parts of shipping a first product.

GogRPCProtobufLLM agents

sipki.online

Speaker at HighLoad++, GolangConf, AI Conf, DevOpsConf
Helped launch 7+ startups
Maintainer of EasyP, the open-source Protobuf toolkit

Checkmk2,632GPL-2.0

Checkmk is an open-source infrastructure monitoring system replacing Datadog and PRTG with rule-based auto-discovery and on-premise data control.

Web

vs SolarWinds: a free, open-source option you fully control, licensed GPL-2.0.

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Icinga2,245GPL-3.0

Icinga is an open-source monitoring platform that replaces Datadog and PRTG for infrastructure health checks using a compiled C++ engine and custom DSL.

Web

vs SolarWinds: a free, open-source option you fully control, licensed GPL-3.0.

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Nagios2,065GPL-2.0

Nagios Core is an open-source infrastructure monitoring engine that replaces costly per-host tools with scriptable, self-hosted health and uptime checks.

Web

vs SolarWinds: a free, open-source option you fully control, licensed GPL-2.0.

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HomeLab Monitor230MIT

Self-hosted homelab and AI rig dashboard in one Docker container with GPU VRAM attribution, power costs, SSH polling, and a read-only MCP server.

DockerLinuxWeb

vs SolarWinds: a free, open-source option you fully control, licensed MIT.

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