can i fork it?
open sourceAGPL-3.0+Self-host★ 13kactive aug 2026

Coder

Full cloud workspaces on your infrastructure; Terraform and PostgreSQL come along for the ride.

Technical Profile & Specs

verified 2026-08-10

Cost
$0 / forever (Open Source)
License
AGPL-3.0+
Hosting Model
Self-host (your server)
Platforms
desktopwebself-hostedself-host, real ops
Installation
Install the Coder control plane, connect PostgreSQL, then provision workspaces from Terraform templates; Helm is available for Kubernetes
Operational Setup
The first obstacle is infrastructure, not the IDE: PostgreSQL, Terraform templates, cloud or cluster credentials, persistent workspace storage, and a reachable TLS URL are required
Where Your Data Lives
Users' source and build artifacts live in the provisioned workspace disks, volumes, or cloud resources; Coder configuration, users, audit/control-plane state, and template/Terraform state live in PostgreSQL
The Catch / Trade-off
Coder is an infrastructure platform for durable workspaces, not an instant public browser sandbox, so setup, templates, and cloud resources replace CodeSandbox's one-click experience.

Replaces 2 paid apps

up to $37/mo ($444/yr) in subscriptions

Coder FAQ

Common questions

Is Coder free and open source?+

Coder is an open-source tool licensed under AGPL-3.0+ that runs on self-host. Full cloud workspaces on your infrastructure; Terraform and PostgreSQL come along for the ride.

What paid software does Coder replace?+

Coder serves as a free replacement for 2 paid SaaS applications: CodeSandbox, Replit, saving up to $37/month ($444/year) in subscription bills.

How do you install and set up Coder?+

Installation: Install the Coder control plane, connect PostgreSQL, then provision workspaces from Terraform templates; Helm is available for Kubernetes. Setup notes: The first obstacle is infrastructure, not the IDE: PostgreSQL, Terraform templates, cloud or cluster credentials, persistent workspace storage, and a reachable TLS URL are required

What is the catch or trade-off with Coder?+

Coder is an infrastructure platform for durable workspaces, not an instant public browser sandbox, so setup, templates, and cloud resources replace CodeSandbox's one-click experience.