Awesome Open Source Supporters

A curated directory of companies and organizations that provide free tools, services, or infrastructure to open source and public projects.

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Overview

• Name: Awesome Open Source Supporters
• Type: Curated themed directory / awesome list
• Focus: Companies with explicit, additional offerings for open source projects beyond general free tiers
• Source: GitHub Repository

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Categories Covered

• Code Coverage
• Code Quality
• Continuous Integration (CI/CD)
• Dependency Management
• Package Management
• Project Management
• Monitoring
• Localization
• Version Control
• Miscellaneous

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Features

General Features

• Curated list of companies that provide free tools/services specifically for open source or public projects.
• Organizes offerings into clear technical categories (coverage, CI, QA, dependencies, etc.).
• Focuses on organizations with a stated commitment to open source, not just generic free plans.

Code Coverage

Tools that provide free test coverage services to open source projects:

• Codecov – Test coverage monitoring and alerting.
• Coveralls – Test coverage history and statistics.

Code Quality

Services offering automated analysis and review for open source codebases:

• Better Code Hub – Source code maintainability analysis.
• Codacy – Automated code reviews and analytics.
• Code Climate – Automated code review and health analysis.
• codebeat – Automated code review for mobile and web projects.
• CodeFactor – Automated static analysis for C#, Java, CSS, JS, Ruby, Go, and Python.
• Hound – Source code style review.
• lgtm – Automated code reviews for developers.
• PullApprove – Approval workflows for GitHub pull requests via code review.
• Reviewable – Automated GitHub code reviews.
• SonarCloud – Continuous code inspection.
• StyleCI – PHP code style review.

Continuous Integration (CI/CD)

CI/CD platforms with explicit offerings for open source and public repositories:

• AppVeyor – CI/CD for Windows developers.
• Bitrise – Hosted CI/CD for Android and iOS; free for public projects.
• CircleCI – Docker-based builds with customizable workflows.
• Codefresh – Docker-native CI/CD.
• Codeship – Continuous integration, delivery, and deployment.
• DeployHQ (requires-approval) – Deployment automation.
• Sauce Labs – Cross-browser testing, Selenium testing, and mobile testing.
• Semaphore – Fast automated CI/CD.
• Travis CI – Automated CI/CD for open source.

Dependency Management

Services that help manage and update dependencies for open source projects:

• Dependabot – Automated dependency updates for Ruby, Python, JavaScript, and PHP.
• Greenkeeper – Automated dependency management for npm packages (on GitHub).
• pyup.io – Python dependency management.
• Snyk – Continuous dependency (entry truncated in source content).

(Other categories such as Package Management, Project Management, Monitoring, Localization, Version Control, and Miscellaneous are part of the list but not fully visible in the provided content.)

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Pricing

• This is a free, open-source directory (awesome list).
• Individual tools and companies listed may have their own pricing models and open source programs; details are not enumerated in the provided content.

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Use Cases

• Discover tools that provide enhanced free tiers or special programs for open source maintainers.
• Plan tooling for new open source projects (CI, coverage, QA, dependencies).
• Compare categories of services relevant to maintaining and scaling open source repositories.