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Open Source Projects using Terraform

A curated collection of the 30 best open source software using Terraform. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Favicon of n8n

n8n

Visual workflow automation with code flexibility and AI agents

  • Stars

    203,347

  • Last commit

    5 hours ago

  • License

    Unknown
Build automated workflows connecting 500+ apps, write custom code, and deploy AI agents with full visibility into every decision. Self-hostable or cloud.

Open Source Alternative to:

Favicon of Make
Make
Favicon of Immich

Immich

Self-hosted photo and video backup for your own server

  • Stars

    113,419

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Back up, organize, search, and browse your personal photo and video library on your own server, with no third-party cloud access.

Open Source Alternative to:

Favicon of Google Photos
Google Photos
Favicon of AnythingLLM

AnythingLLM

AI
Chat with your documents using any LLM, fully private

  • Stars

    65,619

  • Last commit

    24 hours ago

  • License

    MIT
A desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.

Open Source Alternative to:

Favicon of Claude
Claude
Favicon of Twenty

Twenty

Build a custom CRM without the proprietary lock-in

  • Stars

    56,247

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Self-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.

Open Source Alternative to:

Favicon of Attio
Attio
Favicon of HashiCorp Vault

HashiCorp Vault

Secure storage and access control for secrets and sensitive data

  • Stars

    36,207

  • Last commit

    7 hours ago

  • License

    Unknown
Manages tokens, passwords, certificates, and encryption keys through a UI, CLI, or HTTP API, with dynamic credentials and encryption-as-a-service built in.

Open Source Alternative to:

Favicon of LastPass
LastPass
Favicon of Chroma

Chroma

AI
Open-source vector database for AI search and retrieval

  • Stars

    29,226

  • Last commit

    1 day ago

  • License

    Apache-2.0
Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of OpenTofu

OpenTofu

Open source infrastructure as code tool

  • Stars

    30,060

  • Last commit

    7 hours ago

  • License

    MPL-2.0
A community-driven, truly open-source fork of Terraform for managing cloud infrastructure through code.

Open Source Alternative to:

Favicon of Red Hat Ansible
Red Hat Ansible
Favicon of Windmill

Windmill

Open-source workflow automation for developers

  • Stars

    17,781

  • Last commit

    6 hours ago

  • License

    Unknown
Powerful, self-hosted platform for building and running workflows, scripts, and apps with code-first approach and collaborative features.

Open Source Alternative to:

Favicon of Make
Make
Favicon of Formbricks

Formbricks

Privacy-first survey and experience management platform

  • Stars

    12,888

  • Last commit

    8 hours ago

  • License

    AGPL-3.0
Collect feedback across websites, apps, and emails with targeted surveys, user segmentation, and GDPR-compliant data handling. Self-host or use the cloud.

Open Source Alternative to:

Favicon of Google Forms
Google Forms
Favicon of Coder

Coder

AI
Fast, secure cloud development environments on your infrastructure

  • Stars

    14,369

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Self-hosted development platform that enables secure, scalable remote coding with automated provisioning, reduced cloud costs, and enterprise-grade security.

Open Source Alternative to:

Favicon of GitHub Codespaces
GitHub Codespaces
Favicon of Weaviate

Weaviate

AI
AI-native vector database for intuitive applications

  • Stars

    16,785

  • Last commit

    5 hours ago

  • License

    BSD-3-Clause
Open-source vector database designed for building powerful, production-ready AI applications with hybrid search capabilities and flexible deployment options.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Quickwit

Quickwit

Lightning-fast search for massive datasets

  • Stars

    11,568

  • Last commit

    6 hours ago

  • License

    Apache-2.0
High-performance search engine designed for big data, offering scalability, real-time indexing, and cost-effective operations.

Open Source Alternative to:

Favicon of ElasticSearch
ElasticSearch
Favicon of Polar

Polar

Modern payment infrastructure for digital products and SaaS

  • Stars

    10,236

  • Last commit

    7 hours ago

  • License

    Apache-2.0
Comprehensive payment solution with built-in tax handling, automated benefits, and seamless integrations for digital product and SaaS businesses.

Open Source Alternative to:

Favicon of Stripe
Stripe
Favicon of Bifrost

Bifrost

AI
Ultra-fast AI gateway with enterprise-grade reliability

  • Stars

    7,805

  • Last commit

    5 hours ago

  • License

    Apache-2.0
Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and observability.

Open Source Alternative to:

Favicon of OpenRouter
OpenRouter
Favicon of Helicone

Helicone

AI
Build reliable AI apps with comprehensive observability

  • Stars

    6,132

  • Last commit

    5 days ago

  • License

    Apache-2.0
Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Agenta

Agenta

AI
Build, automate, and improve AI agents with your team

  • Stars

    4,683

  • Last commit

    5 hours ago

  • License

    MIT
Open-source workspace for building and running AI agents: chat-driven development, scheduling, human-in-the-loop approvals, versioning, and tracing. Self-host or use the cloud.

Open Source Alternative to:

Favicon of Claude Cowork
Claude Cowork
Favicon of Digger

Digger

Terraform automation with pull request workflows

  • Stars

    5,039

  • Last commit

    24 days ago

  • License

    MIT
Open-source CI/CD orchestrator for Terraform with pull request automation, drift detection, and enterprise-grade security. Self-hostable with private runners.

Open Source Alternative to:

Favicon of env0
env0
Favicon of LangWatch

LangWatch

AI
Simulation-based testing and evaluation for AI agents

  • Stars

    3,523

  • Last commit

    5 hours ago

  • License

    Apache-2.0
Tests AI agents through multi-turn simulations, LLM-based scoring, and production tracing so teams can ship reliable agents with confidence.

Open Source Alternative to:

Favicon of LangSmith
LangSmith
Favicon of Sequin

Sequin

Open-source message stream built on Postgres

  • Stars

    2,195

  • Last commit

    6 months ago

  • License

    MIT
Sequin offers a feature-rich messaging system with a simple HTTP API, providing RabbitMQ-like functionality without adding complexity to your stack.

Open Source Alternative to:

Favicon of Amazon SQS
Amazon SQS
Favicon of Beam

Beam

AI
Serverless GPU compute with sub-second cold starts

  • Stars

    1,766

  • Last commit

    7 hours ago

  • License

    AGPL-3.0
Run GPU inference, task queues, and sandboxes on serverless infrastructure with sub-second cold starts, autoscaling, and support for your own AWS, GCP, or bare metal.

Open Source Alternative to:

Favicon of Daytona
Daytona
Favicon of Semaphore

Semaphore

Open source CI/CD platform that's faster and costs less

  • Stars

    1,595

  • Last commit

    7 hours ago

  • License

    Unknown
Continuous integration and delivery platform offering faster builds, lower costs, and maintenance-free operations. Cut build times dramatically while reducing CI/CD expenses by 50%.

Open Source Alternative to:

Favicon of GitHub Actions
GitHub Actions
Favicon of Nitric

Nitric

Cloud-native framework for infrastructure from code

  • Stars

    2,015

  • Last commit

    7 months ago

  • License

    Apache-2.0
Nitric automates cloud infrastructure provisioning from your application code for AWS, GCP and Azure

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of WunderGraph

WunderGraph

Unify APIs, databases, and services effortlessly

  • Stars

    1,263

  • Last commit

    11 hours ago

  • License

    Apache-2.0
A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.

Open Source Alternative to:

Favicon of Apollo GraphQL
Apollo GraphQL
Favicon of Bacalhau

Bacalhau

Revolutionizing data processing with Compute Over Data

  • Stars

    871

  • Last commit

    3 days ago

  • License

    Apache-2.0
Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.
Favicon of Cossistant

Cossistant

AI
AI-native support infrastructure for modern SaaS

  • Stars

    714

  • Last commit

    1 month ago

  • License

    AGPL-3.0
Open-source support platform combining AI and human agents. React components with shadcn/ui design philosophy, styled with Tailwind CSS for NextJS apps.

Open Source Alternative to:

Favicon of Zendesk
Zendesk
Favicon of OpenComputer

OpenComputer

AI
Persistent cloud VMs that hibernate and wake in seconds

  • Stars

    504

  • Last commit

    5 hours ago

  • License

    Apache-2.0
Provides always-on virtual machines for AI agents with full OS access, persistent state, elastic CPU/memory resizing, and instant checkpoints.

Open Source Alternative to:

Favicon of Daytona
Daytona
Favicon of Marble

Marble

Real-time fraud detection and AML compliance engine

  • Stars

    593

  • Last commit

    11 days ago

  • License

    Elastic-2.0
An open-source platform that enables fintech companies to monitor transactions and user activity, detect suspicious behaviors, and automate fraud prevention in real-time.

Open Source Alternative to:

Favicon of SumSub
SumSub
Favicon of Orbital

Orbital

Connect APIs, databases, and streams without glue code

  • Stars

    360

  • Last commit

    2 months ago

  • License

    Unknown
Automated data integration platform that connects APIs, databases, and event streams using semantic schemas. Deploy secure integrations in minutes with Git-based workflows.

Open Source Alternative to:

Favicon of Kong
Kong
Favicon of Spinifex

Spinifex

AWS-compatible cloud APIs on infrastructure you control

  • Stars

    149

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Spinifex recreates EC2, S3, EBS, VPC, IAM, and more on your own hardware, so AWS-built software runs unchanged without touching a hyperscaler.

Open Source Alternative to:

Favicon of Amazon Web Services
Amazon Web Services
Favicon of Wachd

Wachd

AI-powered root cause analysis for on-call alerts, self-hosted and air-gapped

  • Stars

    36

  • Last commit

    8 days ago

  • License

    Apache-2.0
Receive alerts from Grafana, Datadog, and Prometheus with AI-generated root cause analysis. Self-hosted on Kubernetes, fully air-gapped capable, Apache 2.0 licensed.

Open Source Alternative to:

Favicon of Opsgenie
Opsgenie
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