GitHub vs Gitea: A Deep-Dive Open Source Comparison

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アーキテクチャ・意思決定比較表

GitHub と Gitea のデータ構造、運用コスト、ライセンスリスクの違いを詳細に分析します。

GitHub (Commercial SaaS)
$15 - $50+ / user / mo
⏱️ Zero DevOps Overhead / Managed
☁️ Vendor Cloud Lock-in
VS
Gitea (Self-Hosted)
$0 license ($5/mo VPS)
🛠️ 1-2 hrs / mo Docker DevOps
🛡️ 100% Data Sovereignty
ベンダーロックインのリスクスコアが高いほど、ベンダーロックインによる移行障壁が高くなります
GitHub9
Gitea2
移行の複雑さ本番環境のワークフローをオープンソースに移行する難易度
GitHub8
Gitea7
運用保守コスト (DevOps Overhead)自己ホスト環境の構築、データベース管理に必要なスキルと時間
GitHub1
Gitea7
データ主権と所有権データベースのガバナンスとプライバシーコンプライアンスの管理レベル
GitHub2
Gitea10

GitHub vs. Gitea: A Strategic Decision for Code Management

Gitea’s entire server ships as a single Go binary — no external database required for small deployments, no complex dependency chain, just a file you run. That’s not a minor implementation detail; it’s the reason a small team can self-host a genuinely capable Git platform on hardware that wouldn’t comfortably run GitLab, and it’s the core trade at the heart of this comparison: GitHub’s unmatched ecosystem and managed scale against Gitea’s radical simplicity and full data control.

Comparison Table

Feature Dimension GitHub Gitea
Pricing SaaS model with Free, Team ($4.4/user/month), and Enterprise tiers. Costs scale with users and features. Free (MIT licensed) open-source software. Costs are for self-hosting infrastructure (servers, network, admin time).
Self-Hosting Yes, with GitHub Enterprise Server (part of Enterprise plan). Requires significant infrastructure and management. Primary model. Designed for easy deployment on modest hardware (Go, Docker, K8S).
API Support Robust REST API and GraphQL API for extensive programmatic interaction and integration. Comprehensive REST API enabling scripting, integrations, and automation.
Integration Count Vast ecosystem with thousands of integrations, marketplace apps, and hooks. Industry standard for third-party tools. Growing ecosystem with integrations for CI/CD, chat, and more. Community-driven development.
Learning Curve Low for Git users, intuitive UI. Admin functions are cloud-managed for SaaS. Low for Git users, intuitive UI. Higher for administrators setting up and maintaining the self-hosted instance.
Community Support Massive global community, extensive official documentation, forums, and commercial support for paid tiers. Active and dedicated open-source community, comprehensive documentation, and forums.
Security Enterprise-grade security, managed by GitHub. Advanced features (SAML, audit logs, Advanced Security) in Enterprise. Security is admin’s responsibility (patching, network, access control). Benefits from open-source transparency.
Scalability Highly scalable managed cloud service, designed for global enterprise use. Scales effortlessly with demand. Scalability depends on underlying infrastructure and administrative expertise. Lightweight Go core allows efficient scaling.
UI Usability Polished, feature-rich, and highly intuitive user interface. Regularly updated with new features and improvements. Clean, minimalist, and highly performant UI. Focuses on core Git hosting features without unnecessary bloat.
Support Community support, extensive documentation. Professional support included with paid plans (Team, Enterprise). Community-driven support via forums and GitHub issues. No direct commercial support (though third-party consultants exist).

GitHub: The Industry Standard for Collaborative Development

GitHub stands as the undisputed industry standard for Git hosting and collaborative software development, powering millions of projects worldwide. As a comprehensive SaaS platform, it offers an integrated suite of tools beyond basic version control, encompassing robust issue tracking, project management boards, powerful code review workflows, and a vast marketplace of integrations. Its flagship CI/CD service, GitHub Actions, provides seamless automation directly within the development workflow. Leveraging GitHub means tapping into an unparalleled ecosystem, a massive developer community, and a highly reliable, globally distributed infrastructure. While its cost can scale for large organizations requiring advanced security and compliance features available in its Enterprise tier, GitHub provides a managed, low-overhead solution that minimizes operational burdens and maximizes developer productivity.

Gitea: Lightweight, Self-Hosted Freedom

Gitea positions itself as “Git with a cup of tea!” – a painless, self-hosted, all-in-one software development service designed for simplicity and efficiency. Built with Go, it’s remarkably lightweight, making it suitable for deployment on modest hardware, Docker containers, or Kubernetes clusters. Gitea provides core features mirroring GitHub, including Git hosting, code review, issue tracking, a package registry, and integrated CI/CD (Gitea Actions). Its open-source nature (MIT License) and self-hosted model are particularly appealing to organizations prioritizing data sovereignty, compliance with internal policies, or a desire to avoid vendor lock-in. While it lacks the vast third-party ecosystem and managed service benefits of GitHub, Gitea excels in delivering a comprehensive, performant, and highly controllable Git solution with minimal resource footprint.

Deep-Dive Feature Module Comparison

1. Git Hosting & Code Review

Both platforms provide robust Git repository management and sophisticated code review capabilities, forming the backbone of modern development.

  • GitHub offers a highly refined code review experience with features like required reviews, protected branches, code owners, suggested changes, and inline comments that support complex team workflows. Its branch protection rules are highly configurable, enforcing specific checks (e.g., passing CI/CD, required approvals) before merges. The integrated pull request experience is enriched by third-party integrations from its marketplace.
  • Gitea delivers a surprisingly complete and intuitive code review system given its lightweight nature. It includes pull requests, inline commenting, protected branches, and the ability to require approvals. While not as feature-rich as GitHub’s enterprise-grade options (e.g., no direct “code owners” role, though similar logic can be implemented), Gitea focuses on efficiency and clarity, making it highly effective for teams seeking control over their process without the overhead of a managed service.

2. CI/CD Integration

Integrated Continuous Integration/Continuous Delivery (CI/CD) is crucial for automated testing and deployment.

  • GitHub Actions is a powerful, fully integrated CI/CD platform offering a vast marketplace of pre-built actions for almost any task. Workflows are defined in YAML and run on GitHub-hosted runners or self-hosted runners. Its deep integration with the GitHub ecosystem means triggers can be based on virtually any GitHub event (pushes, pull requests, issues, releases), providing immense flexibility and power. The cloud-native execution scales automatically.
  • Gitea Actions brings integrated CI/CD directly to the self-hosted environment, mirroring the conceptual model of GitHub Actions. Users can define workflows in YAML, and Gitea supports both local runners and external runners (like Drone CI, which Gitea’s maintainers also develop, or Gitea’s native runners). This allows organizations to keep their entire CI/CD pipeline within their controlled infrastructure. While its action marketplace is smaller than GitHub’s, it provides the core functionality needed to automate build, test, and deploy processes.

3. Project Management & Collaboration

Beyond code, both platforms offer tools to manage projects and facilitate team collaboration.

  • GitHub provides a comprehensive suite including Issues (with labels, assignees, milestones), Projects (Kanban boards, tables), and Discussions (for broader conversations). These tools are deeply integrated with the code repositories and pull requests, allowing for seamless traceability from an idea to deployed code. Its robust notifications and team features enhance communication across diverse teams.
  • Gitea includes built-in Issues with labels, assignees, and milestones, offering a solid foundation for tracking tasks and bugs. While it doesn’t have the advanced “Projects” boards or dedicated “Discussions” feature found in GitHub, its core issue tracking is highly functional and sufficient for most teams’ needs. For more complex project management, integration with external tools would be necessary, but for managing development tasks alongside code, Gitea provides an effective, streamlined solution.

Pricing Comparison: SaaS Subscription vs. Infrastructure Investment

The fundamental difference in pricing models is a primary driver for choosing between GitHub and Gitea.

GitHub’s SaaS Model: GitHub operates on a per-user, tiered subscription model, providing a predictable cost structure for its managed services:

  • Free Tier: Unlimited public and private repositories for individual developers. Includes 2,000 GitHub Actions minutes/month for public repos and 500 for private, plus 500MB Packages storage. Excellent for personal projects or small open-source initiatives.
  • Team Tier: $4.40 per user/month (annual billing at $4.00/user/month). Adds features like protected branches, code owners, GitHub Pages, 3,000 GitHub Actions minutes/month, and 2GB Packages storage. This is the standard for most growing development teams.
  • Enterprise Tier: Custom pricing. Offers advanced features crucial for large organizations, including SAML single sign-on, GitHub Connect, comprehensive audit logs, advanced security features, and the option for on-premise deployment with GitHub Enterprise Server. This tier provides the most robust compliance and security features.

Illustrative Scaling (GitHub): For a team of 20 developers:

  • Team Tier: $4.00/user/month * 20 users = $80.00/month (billed annually).
    • This covers the core platform, 3,000 Action minutes, and 2GB storage. Additional Actions minutes or storage would incur extra charges.

Gitea’s Open-Source Model: Gitea itself is free software, licensed under MIT. There are no per-user licensing fees or subscription costs for the software itself. However, “free” doesn’t mean “zero cost”:

  • Infrastructure Costs: Organizations must provide and maintain the infrastructure to host Gitea. This includes:
    • Servers: Virtual machines or bare metal servers.
    • Storage: For Git repositories and artifacts.
    • Network: Bandwidth and configuration.
    • Operating System Licenses: If not using Linux.
    • Backup & Disaster Recovery: Solutions for data protection.
    • Power & Cooling: For on-premise hardware.
  • Operational Costs: Significant investment in personnel:
    • System Administrators: To install, configure, monitor, update, and troubleshoot the Gitea instance and its underlying infrastructure.
    • Security Personnel: To secure the server, network, and manage access.
    • Developer Time: For initial setup and ongoing maintenance.

Illustrative Scaling (Gitea): For a team of 20 developers using Gitea:

  • The software cost is $0.
  • The “cost” is the labor for system administration, infrastructure provisioning (e.g., AWS EC2 instances, Kubernetes cluster, or on-premise hardware), and ongoing maintenance. This can range from tens to thousands of dollars per month depending on the infrastructure chosen, the level of redundancy, and the internal labor rates. A small VM might be $10-$50/month, but highly available, performant infrastructure for 20 developers could easily be $200-$500+ per month, plus the significant implicit cost of administrative hours.

Conclusion: GitHub offers a transparent, all-inclusive subscription for a managed service, with costs directly tied to usage and features. Gitea offers software freedom, but shifts the responsibility and associated costs of infrastructure and operations entirely to the organization, making it a “free as in speech, not free as in beer” proposition.

Who Should Choose GitHub?

  1. Organizations Prioritizing Managed Service & Ecosystem: Companies that want to offload infrastructure management, security patching, and scaling concerns to a third party, and leverage a vast ecosystem of integrations, tools, and a massive developer community. This includes startups needing to move fast without ops overhead, or enterprises valuing a stable, feature-rich platform.
  2. Teams Requiring Advanced Compliance & Enterprise Security: Large enterprises, financial institutions, or government agencies that need robust SAML SSO, comprehensive audit logs, advanced security features like code scanning, and potentially GitHub Enterprise Server for complex regulatory or on-premise requirements, while still benefiting from GitHub’s ecosystem.
  3. Companies with Limited Internal Operations/DevOps Expertise: If your development team is lean on system administration or DevOps specialists, GitHub’s managed service model drastically reduces the operational burden, allowing developers to focus solely on writing code.

Who Should Choose Gitea?

  1. Organizations with Strict Data Sovereignty or On-Premise Requirements: Companies that must keep all their code and development data entirely within their own data centers, adhere to stringent local data residency laws, or operate in air-gapped environments. Gitea provides complete control over data location and access.
  2. Budget-Conscious Teams Willing to Invest in Operations: Small to medium-sized businesses or startups that want to minimize recurring software subscription costs and have the internal expertise and willingness to manage their own infrastructure. They view the investment in system administration as preferable to recurring per-user SaaS fees.
  3. Teams Seeking a Lightweight, Efficient, and Customizable Solution: Developers who appreciate a minimalist interface, high performance on modest hardware, and the ability to modify or extend the platform’s functionality due to its open-source nature. Ideal for teams that want a Git server that “just works” without excessive bells and whistles.

Migration Assessment: Moving from GitHub to Gitea

Migrating from GitHub to a self-hosted Gitea instance involves several key considerations beyond just moving code:

  1. Repository Migration: Git repositories themselves are relatively straightforward to migrate. Gitea has built-in functionality to migrate repositories from external sources, including GitHub. This process typically involves cloning the repository and then pushing it to the new Gitea instance, preserving commit history.
  2. Metadata (Issues, Pull Requests, Wikis, Releases): This is the most complex part. While core Git data is portable, GitHub’s rich metadata (issues, comments, pull request discussions, labels, milestones, wikis, releases) is not directly transferable via Git.
    • GitHub API and Gitea API: You’ll likely need to write custom scripts leveraging both GitHub’s and Gitea’s APIs to export and import this metadata. Look for community-developed migration tools or scripts, but expect some manual effort or data loss for highly specific GitHub features.
    • Attachments: Files attached to issues or comments will also need careful migration.
  3. CI/CD Pipelines (GitHub Actions to Gitea Actions/Other): Your GitHub Actions workflows will need to be re-evaluated and rewritten for Gitea Actions. While the YAML syntax is conceptually similar, the available actions, runners, and specific environment variables will differ. This is essentially a re-implementation effort.
  4. User Management and Authentication: Consider how users will authenticate with Gitea. Gitea supports various authentication methods (LDAP, OAuth, SAML, internal database). If you use GitHub’s SSO, you’ll need to configure a compatible SSO provider for Gitea. User accounts and their permissions will need to be recreated or imported.
  5. Integrations: Any third-party tools integrated with GitHub (e.g., Slack, Jira, Snyk) will need to be reconfigured to connect with your new Gitea instance. The availability of direct integrations might be less extensive for Gitea, potentially requiring custom webhooks or middleware.
  6. Operational Responsibility: Remember that with Gitea, your team takes on full responsibility for server provisioning, security, backups, updates, monitoring, and disaster recovery. This requires dedicated expertise and resources that GitHub as a SaaS service manages for you.
  7. Performance and Scalability: While Gitea is lightweight, ensure your self-hosted infrastructure can meet the performance and scalability needs of your team, especially under peak load or for large repositories.

Final Verdict

Stay on GitHub for the ecosystem alone — the Actions marketplace, the sheer number of developers already fluent in its UI, and the managed infrastructure that means nobody on your team fields a 2am pager alert about disk space.

Move to Gitea when data sovereignty or air-gapped deployment is a real requirement, or the per-seat bill has grown large enough that a lightweight self-hosted instance clearly pays for itself. It won’t replace GitHub’s marketplace, but for teams that just need solid Git hosting and code review under their own control, it does that job cleanly with minimal hardware.


Pros & Cons Comparison


Features Both Tools Share

  • Git repository hosting and code review workflows
  • Built-in continuous integration and delivery pipelines
  • Integrated package registry for dependency management
  • Issue tracking and team collaboration boards

Feature Availability: Only in Each Platform



Feature Availability Checklist



Data verified as of 2026-07-20. Please check the official pages of GitHub and Gitea for live pricing.

よくある質問

Can I migrate my CI/CD workflows and package hosting from GitHub Actions and GitHub Packages to a self-hosted Gitea instance?

Yes, Gitea is an MIT-licensed, Go-based platform that natively includes both CI/CD and a package registry, earning a 9/10 functional overlap score with GitHub. While GitHub limits its free tier to 2,000 Actions minutes and 500MB of Packages storage, Gitea lets you self-host these features on Docker or Kubernetes (K8S) with no usage caps or Linux overage fees.

How do GitHub and Gitea compare if my team requires advanced security scanning and AI-assisted development tools?

GitHub provides deeply integrated AI via GitHub Copilot for $10 to $39 per user/month, but locks advanced security features like secrets scanning behind an add-on costing approximately $49 per user/month. Gitea's MIT-licensed, self-hosted stack allows you to maintain absolute data control to avoid these enterprise upcharges, though you must configure your own third-party security and AI integrations.

機能と価格データは公式ドキュメントと料金ページを出典としており、最終確認日は 2026年7月20日 です。 誤りを見つけましたか?お知らせいただければ修正します。