Comparison

cloud-init vs SaltStack

No clear leader: SaltStack (55.4) and cloud-init (50.7) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

cloud-init full profile →SaltStack full profile →

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cloud-init51

SaltStack55

Attribute comparison across 2 tools
Attribute	cloud-init	SaltStack
Vioscale score	51 / 100medium · 68%	55 / 100medium · 69%
Pricing
Free tierpricing.free_tier	✓	-
Modelpricing.model	open_source	-
Price levelpricing.price_level	free	-
Transparentpricing.transparent	✓	-
Security
Scorecardsecurity.scorecard	5.9	4.8
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nixpkgs&package_name=cloud-init&per_page=100 · Last 12m: 0	Count: 67 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=salt&per_page=100 · Last 12m: 2 · Max severity: CRITICAL
Adoption
Dependent reposadoption.dependent_repos	0	428
Github starsadoption.github_stars	3,793	15,637
Package downloads weeklyadoption.package_downloads_weekly	-	23,112
Activity
Commits last 30dactivity.commits_last_30d	24	47
Release
Cadence daysrelease.cadence_days	38	5
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	Python	Python
Market
Availabilitymarket.availability	Available worldwide · HQ GB	-

Score

Vioscale score

cloud-init51 / 100medium · 68%

SaltStack55 / 100medium · 69%

Pricing

Free tier

cloud-init✓

SaltStack–

Model

cloud-initopen_source

SaltStack–

Price level

cloud-initfree

SaltStack–

Transparent

cloud-init✓

SaltStack–

Security

Scorecard

cloud-init5.9

SaltStack4.8

Vulnerabilities

cloud-initCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nixpkgs&package_name=cloud-init&per_page=100 · Last 12m: 0

SaltStackCount: 67 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=salt&per_page=100 · Last 12m: 2 · Max severity: CRITICAL

Adoption

Dependent repos

cloud-init0

SaltStack428

Github stars

cloud-init3,793

SaltStack15,637

Package downloads weekly

cloud-init–

SaltStack23,112

Activity

Commits last 30d

cloud-init24

SaltStack47

Release

Cadence days

cloud-init38

SaltStack5

History

cloud-init20 items

SaltStack20 items

License

Spdx

cloud-init–

SaltStackApache-2.0

Language

Primary

cloud-initPython

SaltStackPython

Market

Availability

cloud-initAvailable worldwide · HQ GB

SaltStack–

Capabilities

Feature-by-feature on the axes that matter for configuration management tools. “-” means undocumented, not absent.

Capability comparison for Configuration Management Tools
Capability	cloud-init	SaltStack
Core
Architecture	Agentless / SSH-push	-
Push / pull model	Push	-
Config language	-	-
Deployment
Masterless mode	✓	-
Hosting	Self-hosted only	-
Correctness
Idempotent	✓	-
Model
Desired-state declarative	✓	-
Ecosystem
Content registry	-	-
Platform
Windows support	✗	-
Scope
Cloud provisioning	✓	-
Governance
Policy / compliance	-	-
Commercial
Enterprise edition	-	-
Licensing
Open-source core	✓	✓

Core

Architecture

cloud-initAgentless / SSH-push

SaltStack-

Push / pull model

cloud-initPush

SaltStack-

Config language

cloud-init-

SaltStack-

Deployment

Masterless mode

cloud-init✓

SaltStack-

Hosting

cloud-initSelf-hosted only

SaltStack-

Correctness

Idempotent

cloud-init✓

SaltStack-

Model

Desired-state declarative

cloud-init✓

SaltStack-

Ecosystem

Content registry

cloud-init-

SaltStack-

Platform

Windows support

cloud-init✗

SaltStack-

Scope

Cloud provisioning

cloud-init✓

SaltStack-

Governance

Policy / compliance

cloud-init-

SaltStack-

Commercial

Enterprise edition

cloud-init-

SaltStack-

Licensing

Open-source core

cloud-init✓

SaltStack✓

What each one is

The product in its own terms, so the numbers below have context.

cloud-init

An open-source utility that customizes cloud instances during boot by applying user-provided configuration data, supporting all major cloud providers and Linux distributions.

Independently observed

SaltStack

Not documented yet.

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

cloud-init

Open source

as of 2026-08-21verify ↗

SaltStack

Pricing not documented yet.

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	cloud-init	SaltStack
LinuxPlatforms	✓	-
Cloud / SaaSDeployment	✓	-
Self-hostedDeployment	✓	-
On-premiseDeployment	✓	-

Platforms

Linux

cloud-init✓

SaltStack–

Deployment

Cloud / SaaS

cloud-init✓

SaltStack–

Self-hosted

cloud-init✓

SaltStack–

On-premise

cloud-init✓

SaltStack–

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.