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Gitea vs Viaduct

Self-hosted Git service, unrelated to architecture modeling

Short answer: Pick Gitea if you want all-in-one self-hosted Git and CI/CD platform; pick Viaduct if you want C4 architecture modeling with AI integration. Gitea has a free plan; Viaduct has a free plan, paid from €10/month.

Which to pick

Pick Gitea if you want…

  • All-in-one self-hosted Git and CI/CD platform
  • Self-hosted Git hosting
  • Open-source code (go-gitea/gitea on GitHub, MIT license)
  • Integrations with Slack, Discord or MS Teams (on Gitea's list, not Viaduct's)

Pick Viaduct if you want…

  • C4 architecture modeling with AI integration
  • Integrations with Cursor, Claude Code or Claude Desktop (on Viaduct's list, not Gitea's)

Side by side

What it is
Gitea:Self-hosted Git service with code hosting, code review, issue tracking, packages and built-in CI/CD.
Viaduct:Viaduct is a free C4 modeling tool that lets software teams create, share, and sync architecture models with AI agents via a hosted MCP server.
Best for
Gitea:All-in-one self-hosted Git and CI/CD platform
Viaduct:C4 architecture modeling with AI integration
Who it’s for
Gitea:Developers and teams needing a self-hosted Git platform with CI/CD and package registry.
Viaduct:Software teams that need collaborative architecture modeling and AI-assisted documentation.
Pricing
Gitea:Freemium
Viaduct:Freemium
Starting price
Gitea:—
Viaduct:€10/month (Desktop licence)
Free plan or trial
Gitea:Free plan (Open Source) · Free trial
Viaduct:Free plan (Browser (free)) · Free trial
Plans
Gitea:Open Source Free
Viaduct:Browser (free) €0 · Desktop licence €10 per month
Open source
Gitea:Yes, 58,252 GitHub stars
Viaduct:—
Works with
Gitea:Slack, Discord, MS Teams, Lark, GitHub Actions, Drone, Woodpecker, Argo CD
Viaduct:Cursor, Claude Code, Claude Desktop, GitHub, GitLab, Google

Gitea features

  • Code hosting & review. Create, manage and review Git repositories with pull requests and branch protection.
  • Integrated CI/CD. Gitea Actions runs workflows using GitHub-compatible YAML syntax and over 20 K plugins.
  • Project management. Issue tracking, kanban boards, milestones, time tracking and dependencies.
  • Package registry. Supports more than 20 public or private package types such as NPM, Maven, PyPI and Docker.
  • Multi-platform deployment. Runs on Linux, Windows, macOS, FreeBSD and Kubernetes with x86 and arm64 support.
  • Enterprise features. SAML SSO, audit logs, Kubernetes auto-scaling runners and priority support in Enterprise plan.

Viaduct features

  • Full C4 modeling. Create system context, container, component and code diagrams in one editor.
  • Hosted MCP server. Provides a machine-readable context for AI agents to read and write architecture data.
  • Live collaboration. Team projects with change sets and real-time sharing.
  • AI assistant. Generates missing descriptions, names, and reviews model elements for you.
  • Desktop app. Native app with local MCP server, offline work and JSON file storage.
  • Import/Export. Import OpenAPI specs and export models or contracts as JSON or OpenAPI.

Gitea vs Viaduct FAQ

What is the difference between Gitea and Viaduct?+

Gitea: Self-hosted Git service, unrelated to architecture modeling.

Should I use Gitea or Viaduct?+

Pick Gitea if you want all-in-one self-hosted Git and CI/CD platform, Self-hosted Git hosting or open-source code (go-gitea/gitea on GitHub, MIT license). Pick Viaduct if you want C4 architecture modeling with AI integration or integrations with Cursor, Claude Code or Claude Desktop (on Viaduct's list, not Gitea's).

Is Gitea or Viaduct free?+

Gitea has a free plan (Open Source) and paid plans. Viaduct has a free plan (Browser (free)); paid plans start at €10/month (Desktop licence).

Is Gitea or Viaduct open source?+

Gitea is open source (go-gitea/gitea on GitHub, MIT license). DevHunt has no public source repository on record for Viaduct.

Do Gitea and Viaduct integrate with the same tools?+

Their integration lists don't overlap: Gitea lists Slack, Discord, MS Teams, Lark and 7 more; Viaduct lists Cursor, Claude Code, Claude Desktop, GitHub and 2 more.

On DevHunt

Viaduct

9 upvotes · Launched on DevHunt on Oct 27, 2026

Based on each tool's website and DevHunt data. Details may change; check the official sites.