Terraform

terraform.io
DevOps
Weekend Project

Infrastructure as Code for any cloud

How to Replace Terraform

Overview

Terraform is an open-source infrastructure as code tool that enables you to safely and predictably create, change, and improve infrastructure across multiple cloud providers and on-premises environments. It uses declarative configuration files to manage and provision resources with version control integration.

Features

45 features across 21 categories

Automation(2)

Resource Provisioners

Execute scripts and commands on local or remote machines as part of resource creation.

Terraform Cloud Runs APIPremium

Programmatically trigger and monitor Terraform runs for GitOps-style deployments.

Also in: monday.com, Notion, Airtable

Backup & Recovery(1)

State Version History

Access and restore previous versions of infrastructure state with complete audit trail.

Also in: OpenText, Supabase, WordPress.com

CI/CD(1)

VCS IntegrationPremium

Automatically trigger Terraform runs on Git push with GitHub, GitLab, and Bitbucket.

Code Reuse(2)

Module Registry

Reusable infrastructure code modules for common patterns and best practices.

Private Module RegistryPremium

Host and manage proprietary Terraform modules securely within your organization.

Collaboration(4)

Organization and Project ManagementPremium

Organize teams, workspaces, and projects for scaled multi-team infrastructure management.

Remote State Backends

Store and share infrastructure state securely with Terraform Cloud, Consul, S3, or Azure Storage.

State Locking

Prevent concurrent modifications to infrastructure state with automatic locking mechanisms.

Version Control Integration

Track infrastructure changes through Git with branch-based workflows and pull request integration.

Also in: Notion, Airtable, Obsidian

Compliance(2)

Audit LoggingPremium

Track all infrastructure changes and user actions with detailed audit trails.

Drift DetectionPremium

Automatically detect and alert on infrastructure changes made outside of Terraform.

Also in: Insider CDP, Airtable, 1Password

Configuration(7)

Built-in Functions

Use 100+ built-in functions for string manipulation, list operations, and type conversions.

Conditional Logic

Use conditional expressions to create or modify resources based on variables.

Depends_on Explicit Dependencies

Define explicit dependencies between resources for proper creation ordering.

Dynamic Blocks

Generate nested blocks dynamically using for_each and for expressions.

Locals and Meta-Arguments

Define local values and use meta-arguments like count and for_each for dynamic resource creation.

Splat Expressions

Efficiently access attributes across multiple resources using splat syntax.

Variables and Outputs

Parameterize configurations with input variables and expose output values for consumption.

Core(4)

CLI-based Workflows

Full command-line interface for local development with init, plan, apply, and destroy commands.

HCL Configuration Language

Human-friendly declarative language designed specifically for infrastructure provisioning.

Multi-Cloud Support

Deploy infrastructure across AWS, Azure, Google Cloud, and 300+ providers from a single configuration.

State Management

Maintains infrastructure state with version history and remote backends for team collaboration.

Enterprise(1)

Terraform Enterprise ClusteringPremium

High-availability deployment with active-active Terraform Enterprise for large organizations.

Environment Management(1)

Workspace Management

Manage multiple environments and infrastructure variants using isolated state spaces.

Extensibility(1)

Provider Customization

Develop custom providers and plugins to manage resources specific to your infrastructure.

Governance(5)

AI-Powered Cost AnalysisAIPremium

Machine learning-based infrastructure cost optimization recommendations.

Cost EstimationPremium

Estimate infrastructure costs before applying changes with Terraform Cloud.

Policy as Code (Sentinel)Premium

Enforce compliance and security policies across infrastructure deployments.

Resource Tagging

Apply and manage consistent tags across all cloud resources for cost allocation and governance.

Run TasksPremium

Integrate external policy enforcement systems before applying infrastructure changes.

Integration(3)

API-driven WorkflowsPremium

Programmatic control of Terraform Cloud with REST API for automation and integration.

Data Sources

Query and reference existing infrastructure and external data in your configurations.

Terraform Cloud NotificationsPremium

Receive webhooks and notifications for run events to integrate with external systems.

Management(1)

Terraform Cloud ConsolePremium

Web-based interface for managing runs, state, and team access with audit logs.

Migration(1)

Import Existing Resources

Bring existing cloud resources under Terraform management without recreating them.

Performance(1)

Plugin Cache

Cache provider and provisioner plugins locally to speed up initialization.

Safety(1)

Destroy Safety Checks

Prevent accidental resource deletion with protection flags and manual approval workflows.

Security(4)

Context and Sensitivity Marks

Mark sensitive values like passwords to prevent logging and accidental exposure.

Single Sign-On (SSO)Premium

SAML and OIDC integration for centralized authentication and access management.

Team Access ControlsPremium

Role-based access control for managing who can apply infrastructure changes.

Terraform Cloud AgentsPremium

Run Terraform in private networks without exposing credentials or infrastructure.

State Management(1)

Moved Blocks

Rename and reorganize resources in state without recreating infrastructure.

Testing(1)

Testing Framework

Use Terraform test framework to validate configurations and provider behavior.

Workflow(1)

Plan and Apply Workflow

Preview infrastructure changes before applying them with detailed execution plans.

Pricing

Free

Free
  • Open source CLI
  • basic state management
  • community modules

Standard

Popular
$20/mo
  • Terraform Cloud remote state
  • VCS integration
  • team management

Plus

$70/mo
  • Cost estimation
  • policy as code
  • run tasks
  • team API

Premium

$200/mo
  • SSO
  • agents
  • private registry
  • compliance features

Enterprise

Contact Sales
  • Custom features
  • self-hosted
  • dedicated support

Cost Calculator

Keep Paying Terraform

Monthly$20/mo
Yearly$240/yr
5-Year Total$1.2k

Build It Yourself

Est. Build Time~3 hrs
Hosting$20/mo
DifficultyVery Easy

Total Cost Comparison

1 Year
SaaS
$240
DIY
$240
3 Years
SaaS
$720
DIY
$720
5 Years
SaaS
$1.2k
DIY
$1.2k

DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 45 features at very easy complexity.

Build vs Buy

Should you build a Terraform alternative or buy the subscription? Estimate based on 45 features.

Buy Terraform

Better Value
Monthly cost$200/mo
3-year total$7,200
Time to deployDays

Build Your Own

Development cost$24,000
Maintenance$360/mo
3-year total$36,960
Dev time~2 months

Buying Terraform saves ~$29,760 over 3 years vs building.

Estimates based on 45 features and a BuildScore of 5/5. Actual costs vary.

Integrations

30 known integrations