Top 10 Best Agentless Configuration Management Software of 2026

Etcha orchestrates remote configuration runs in an idempotent style by managing desired configuration and comparing outcomes from the execution results it collects. It is built around controller-based orchestration with SSH transport, which keeps the remote footprint limited to standard account access on managed systems. The workflow is inventory-first, so teams can align targets to environment and role grouping without re-encoding host lists in every change request. A REST-style API and machine-readable outputs support integration with automation and audit log pipelines.

A practical tradeoff is that SSH reachability and credential scoping need to be managed carefully, because the agentless model depends on consistent connectivity and permissions at execution time. Etcha fits well for teams running mixed Unix-like fleets who want centralized change execution, verification reporting, and repeatable rollouts without installing endpoint agents. It is less suitable when the environment has no stable SSH path or when remote execution must rely exclusively on non-SSH transports.

SolarWinds Network Configuration Manager uses an agentless controller model that connects to endpoints over SSH for network devices and Windows Remote Management for Windows servers. It builds visibility from inventory and scheduled polling, then turns observed configuration into drift reports and remediation tasks. Change orchestration includes diff generation and post-change verification so teams can review expected versus actual device state.

A notable tradeoff is that complex, highly custom desired-state logic often requires more workflow design work than a pure declarative YAML or playbook-driven approach. Agentless transport also increases dependency on reachability, credential hygiene, and consistent CLI or command support across device vendors. A strong fit is corrective configuration after drift alerts for firewalls, switches, and Windows management targets where change control and evidence trails matter.

Puppet Bolt uses YAML plans and Puppet tasks so teams can model multi-step workflows while still executing idempotent Puppet resources on remote systems. Targeting supports explicit host lists and file-backed inventory, and execution supports concurrency limits for throughput control during change windows. Output and logs are available in structured form so results can be mapped back to tasks and hosts.

A key tradeoff is that Bolt does not replace agent-based drift detection and continuous reporting, so enforcement depends on running Bolt jobs on a schedule or via an external orchestrator. Bolt fits best when a team needs controlled, one-time or scheduled remediation across fleets using SSH and WinRM transport paths.

Salt Project is an agentless configuration management solution that centers on remote execution and state enforcement over standard SSH and Windows Remote Management. Salt’s core architecture uses Salt states to model desired configuration and reconcile drift through repeatable runs.

It also provides a broad automation surface with a documented REST API, eventing, and integrations for orchestration workflows. Governance is supported through roles, audit-oriented job history, and an execution model that keeps configuration logic on the controller side.

Chef Infra Client is executed on managed nodes and converts cookbook code into a compiled resource catalog that drives configuration changes.

Chef Infra Client uses SSH for Unix-like systems and WinRM for Windows nodes, which keeps the execution path consistent across heterogeneous fleets.

Chef Infra Server acts as the central control point for storing cookbooks, node attributes, and run information that can be queried through REST API calls.

Rundeck fits teams that need controller-based orchestration for remote operations without building a custom agent footprint on every host. Jobs can run scripted workflows over SSH and other remote transports, with a step model that supports approvals and conditional branching.

Integrations connect Rundeck to external systems for credential handling, inventory inputs, and change-control or incident workflows. An API and extensibility points support automation around job execution, workflow definitions, and runtime context.

ManageEngine Network Configuration Manager combines agentless network configuration management with inventory-driven configuration auditing and change workflows. It supports SSH-based remote execution workflows to push and validate configuration changes on managed device targets.

The product tracks configuration state across runs and provides reporting that supports approvals and evidence collection for change control processes. Network Configuration Manager also exposes REST API integration points for automation around job scheduling, resource targeting, and configuration task outputs.

Pulumi brings infrastructure configuration into a code-first workflow where desired state is expressed in general-purpose languages and compiled into a deployment plan. Pulumi’s core capabilities center on declarative resource definitions, repeatable provisioning, and an automation API that drives preview, update, and refresh in pipelines.

The system also integrates with cloud provider APIs for stateful orchestration and supports policy and governance hooks for controlled changes. For agentless operations, Pulumi focuses on managing cloud and platform resources through provider APIs rather than maintaining remote agents on endpoints.

Crossplane reconciles infrastructure and configuration through Kubernetes-style control loops using declarative YAML claims. It maps provider resources into a shared control plane so teams can standardize provisioning workflows across cloud and internal systems.

Crossplane emphasizes extensibility by adding new providers and resource types, which broadens the automation surface beyond a fixed set of integrations. Governance comes from Kubernetes-native primitives that shape rollout, RBAC, and policy enforcement around controller activity.

Spot is an agentless configuration management tool that focuses on controller-driven execution over standard remote transports. It targets server and network configuration changes by running declarative steps from a controller process and reporting configuration state after each run.

Spot’s automation surface is centered on spotctl workflows, which integrate with CI and can emit machine-readable outputs for downstream change validation and ITSM steps. For enterprise teams, its operational model is strongest when centralized orchestration and repeatable runbooks matter more than installing managed agents.