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Best Practices for Open Source Project Maintainers

Ryan Dahlberg
Ryan Dahlberg
September 22, 2025 13 min read
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Best Practices for Open Source Project Maintainers

The Weight of the Green Merge Button

Becoming an open source maintainer is both an honor and a responsibility. You’re not just managing code anymore; you’re stewarding a community, making architectural decisions that affect thousands of users, and balancing the needs of contributors, users, and your own capacity.

Great maintainership isn’t about being the best coder or working the longest hours. It’s about creating systems, processes, and culture that allow your project to thrive sustainably. This guide distills lessons from successful maintainers across the ecosystem into actionable practices you can implement today.

Establishing Project Foundations

Before diving into day-to-day maintenance, set up the foundations that will support your project’s growth.

Clear Project Governance

Define how decisions are made in your project.

Benevolent Dictator For Life (BDFL)

  • Single person makes final decisions
  • Clear authority
  • Fast decision-making
  • Works well for small projects

Core Team Consensus

  • Decisions made by a group of maintainers
  • More perspectives
  • Slower but more democratic
  • Better for larger projects

Lazy Consensus

  • Proposals accepted unless objected to
  • Encourages action
  • Minimal overhead
  • Common in Apache projects

Document your governance model in GOVERNANCE.md:

# Project Governance

This project follows lazy consensus among core maintainers.

## Core Maintainers
- @alice (founder, architecture)
- @bob (security, releases)
- @charlie (community, documentation)

## Decision Process
1. Proposals are made via GitHub issues
2. 72-hour review period
3. Accepted unless core maintainer objects
4. For major changes, all core maintainers must approve

Comprehensive Documentation

Documentation is infrastructure. Invest in it early.

Essential Documents

README.md

  • Project description and value proposition
  • Quick start guide
  • Link to full documentation
  • Badges (build status, coverage, version)

CONTRIBUTING.md

  • How to set up development environment
  • Coding standards and style guide
  • Pull request process
  • How to report bugs
  • Where to ask questions

CODE_OF_CONDUCT.md

  • Expected behavior standards
  • Enforcement procedures
  • Contact information
  • Based on Contributor Covenant or similar

LICENSE

  • Clear, standard license (MIT, Apache, GPL)
  • Contributor License Agreement if needed

SECURITY.md

  • How to report security vulnerabilities
  • Response timeline expectations
  • Security update policy

Project Structure

Organize your repository for clarity:

project/
├── .github/
│   ├── ISSUE_TEMPLATE/
│   │   ├── bug_report.md
│   │   ├── feature_request.md
│   │   └── question.md
│   ├── PULL_REQUEST_TEMPLATE.md
│   └── workflows/
│       ├── ci.yml
│       └── release.yml
├── docs/
│   ├── architecture.md
│   ├── api.md
│   └── tutorials/
├── src/
├── tests/
├── CODE_OF_CONDUCT.md
├── CONTRIBUTING.md
├── LICENSE
├── README.md
└── SECURITY.md

Managing Contributions Effectively

The lifeblood of open source is contributions. Make the contribution process smooth and rewarding.

Welcoming First-Time Contributors

Create Good First Issues

Label issues specifically for newcomers:

  • Well-defined scope
  • Clear acceptance criteria
  • Pointers to relevant code
  • Estimated difficulty

Example issue:

### Good First Issue: Add timeout parameter to API client

**Description**
The API client currently has a hardcoded timeout of 30 seconds.
We should make this configurable.

**Acceptance Criteria**
- [ ] Add optional `timeout` parameter to client constructor
- [ ] Default to 30 seconds if not specified
- [ ] Add tests for custom timeout
- [ ] Update documentation with example

**Hints**
- Look at `src/client.py:15` for the current implementation
- Tests should go in `tests/test_client.py`
- Follow the pattern used for other optional parameters

**Estimated Time:** 30-60 minutes for someone new to the project
**Skills Needed:** Python, basic testing

Respond Quickly to First PRs

First impressions matter:

  • Respond within 24-48 hours
  • Thank them for contributing
  • Be encouraging, even if changes are needed
  • Explain the “why” behind feedback

Efficient Code Review

Balance thoroughness with efficiency.

Review Checklist

Technical aspects:

  • Code works and solves the stated problem
  • Tests are included and pass
  • No security vulnerabilities introduced
  • Performance impact is acceptable
  • Follows project style and conventions
  • Documentation updated if needed

Process aspects:

  • PR description is clear
  • Commits are logical and well-messaged
  • No merge conflicts
  • CI/CD checks pass

Providing Effective Feedback

Bad feedback:

This won't work. Please fix.

Good feedback:

This approach will cause issues when handling concurrent requests
because the state is shared. Could you make this instance variable
thread-local instead? Here's an example: [link]

Use Automation

Automate what can be automated:

  • Code formatting (prettier, black, gofmt)
  • Linting (eslint, pylint, golint)
  • Test coverage checks
  • License header verification
  • Security scanning

Let humans focus on architecture, logic, and design.

Setting Expectations

Be explicit about review timelines:

## Pull Request Review Process

1. **Initial Response:** Within 48 hours, we'll provide initial feedback
2. **Full Review:** Within 1 week for most PRs
3. **Large Changes:** May take 2-3 weeks; we'll communicate timeline
4. **Urgent Fixes:** Security patches reviewed within 24 hours

Note: These are goals, not guarantees. We're volunteers and do our best!

Building and Nurturing Community

A healthy community makes maintenance sustainable.

Communication Channels

Provide appropriate channels for different needs:

GitHub Issues

  • Bug reports
  • Feature requests
  • Project planning

GitHub Discussions

  • Questions and answers
  • Ideas and brainstorming
  • Announcements
  • Show and tell

Discord/Slack

  • Real-time chat
  • Community building
  • Quick questions
  • Social connection

Mailing List

  • Long-form discussions
  • Important announcements
  • Design proposals

Choose channels based on your community size and needs. Start minimal and expand as needed.

Recognizing Contributors

People appreciate recognition:

In the Repository

  • CONTRIBUTORS.md file listing all contributors
  • Release notes crediting specific contributions
  • GitHub’s all-contributors bot

Publicly

  • Twitter/social media shoutouts
  • Blog posts about major contributions
  • Conference talk mentions

Privately

  • Thank you messages
  • Recommendations on LinkedIn
  • Referrals for jobs

Example Contributors File

# Contributors

Thank you to all the people who have contributed to this project!

## Core Maintainers
- @alice - Project founder and lead maintainer
- @bob - Security and release management

## Significant Contributors
- @charlie - Implemented async API support (#234)
- @diana - Documentation overhaul (#189)
- @eve - Performance optimizations (#156, #178)

## All Contributors
<!-- ALL-CONTRIBUTORS-LIST:START -->
[Generated list of all contributors]
<!-- ALL-CONTRIBUTORS-LIST:END -->

Managing Conflicts

Disagreements will happen. Handle them gracefully.

When Technical Disagreements Arise

  1. Listen: Understand all perspectives fully
  2. Document: Write down the different proposals
  3. Evaluate: Consider pros, cons, trade-offs
  4. Decide: Make a clear decision with rationale
  5. Communicate: Explain the decision transparently
  6. Move on: Don’t relitigate decided issues

When Behavior Issues Occur

Follow your Code of Conduct:

  1. Document the incident
  2. Warn privately first (for minor issues)
  3. Public warning if needed
  4. Temporary ban for repeated issues
  5. Permanent ban for serious violations

Be consistent and fair in enforcement.

Technical Excellence

Maintain high code quality without perfectionism.

Release Management

Establish a predictable release process.

Semantic Versioning

  • MAJOR: Breaking changes
  • MINOR: New features, backward compatible
  • PATCH: Bug fixes, backward compatible

Release Cadence Options

Time-based: Release every X weeks

  • Predictable for users
  • Manageable for maintainers
  • Works well for stable projects

Feature-based: Release when features are ready

  • Flexible development
  • May be unpredictable
  • Works well for early-stage projects

Example Release Process

## Release Process

1. Create release branch: `release/v1.2.0`
2. Update CHANGELOG.md
3. Bump version in relevant files
4. Run full test suite
5. Create release candidate: `v1.2.0-rc1`
6. Allow 48 hours for testing
7. If issues found, fix and create rc2
8. Tag final release: `v1.2.0`
9. Build and publish packages
10. Update documentation
11. Announce release

**Checklist:** `.github/release-checklist.md`

Maintaining Code Quality

Automated Testing

Comprehensive test suite:

  • Unit tests for individual components
  • Integration tests for component interaction
  • End-to-end tests for critical paths
  • Performance tests for key operations

Continuous Integration

Run on every PR:

  • All test suites
  • Code coverage analysis
  • Static analysis
  • Security scanning
  • Documentation building

Code Coverage Standards

Set reasonable targets:

  • 80%+ coverage for new code
  • Don’t sacrifice test quality for coverage percentage
  • Focus on testing critical paths
  • Allow exceptions for trivial code

Managing Technical Debt

Technical debt is inevitable. Manage it deliberately.

Track It

Label issues as technical-debt:

### Technical Debt: Refactor authentication module

The authentication module has grown organically and is now hard to
maintain. This isn't blocking current work but will make future
features harder.

**Proposed Solution**
- Split into smaller modules
- Add comprehensive tests
- Improve error handling
- Update documentation

**Priority:** Medium
**Effort:** 2-3 days

Schedule It

Dedicate time to technical debt:

  • 20% of each release cycle
  • One “cleanup week” per quarter
  • Opportunistic refactoring during related work

Communicate It

Be transparent about tradeoffs:

## v1.5.0 Release Notes

This release focuses on technical debt reduction rather than
new features. We've refactored the core authentication system
for better maintainability and performance.

These changes enable:
- Easier implementation of SSO in v1.6
- 30% faster authentication
- Clearer error messages
- Simpler onboarding for new contributors

Sustainable Practices

Maintainership is a marathon, not a sprint.

Setting Boundaries

You can’t do everything. Be explicit about limits.

Define Scope

## Project Scope

**In Scope**
- Core API functionality
- Command-line interface
- Official language bindings (Python, Go)
- Security fixes

**Out of Scope**
- GUI applications (community maintained)
- Additional language bindings (community maintained)
- Hosting/deployment services
- Custom integrations for specific platforms

Communication Hours

Set expectations:

## Maintainer Availability

Core maintainers generally respond during:
- @alice: 9am-5pm EST, weekdays
- @bob: 6pm-10pm PST, most days
- @charlie: Varies, will respond within 48 hours

Note: These are volunteer efforts. Response times may vary.
No expectation of immediate responses on evenings, weekends, or holidays.

Delegating Responsibility

Don’t try to do everything yourself.

Identify Co-Maintainers

Look for contributors who:

  • Consistently provide high-quality contributions
  • Understand project architecture and philosophy
  • Engage positively with community
  • Show reliability over time

Progression Path

Contributor → Regular Contributor → Trusted Contributor →
Committer → Maintainer → Core Maintainer

Define criteria for each level:

## Maintainer Progression

**Trusted Contributor** (after 10+ merged PRs)
- Can be assigned issues
- Automatic code review assignments

**Committer** (after 6 months as Trusted Contributor)
- Merge rights for small PRs
- Co-review rights for large PRs
- Access to project communication channels

**Maintainer** (after 6 months as Committer)
- Full merge rights
- Release management participation
- Vote on project direction

**Core Maintainer** (by invitation)
- Final decision authority
- Cross-cutting concerns
- Community leadership

Taking Breaks

Burnout prevention requires proactive measures.

Scheduled Breaks

Announce availability:

## Maintainer Status

@alice: On vacation Sep 15-30. @bob handling urgent issues.
@bob: Active
@charlie: Reduced availability this month (new job onboarding)

For urgent security issues: security@project.org

Bus Factor Planning

Ensure the project survives without you:

  • Document all processes
  • Share credentials securely (1Password Teams, etc.)
  • Have at least 2 people who can perform critical tasks
  • Automated release process

Handling Common Challenges

Dealing with Demanding Users

Some users will expect immediate fixes or support.

Template Responses

Hi [name],

Thank you for the detailed bug report. I understand this is blocking
your work, which is frustrating.

This project is maintained by volunteers in our spare time. We do our
best to address issues based on severity and available bandwidth.

This issue affects [few/some/many] users and is [not blocking/partially
blocking/completely blocking] core functionality. Based on our current
prioritization, we expect to address this [timeframe].

If you need this fixed more urgently, we welcome contributions! Here's
how you can help:
- Submit a PR with a fix (we'll review quickly)
- Sponsor the project for priority support
- Hire a contributor for custom work

Thank you for understanding!

Managing Feature Requests

Not all features belong in your project.

Feature Evaluation Framework

Score each feature request:

[ ] Aligns with project vision (0-5 points)
[ ] Benefits majority of users (0-5 points)
[ ] Reasonable maintenance burden (0-5 points)
[ ] Clear scope and requirements (0-5 points)
[ ] Community interest (0-5 points)

Total: ___/25

20-25: High priority, likely accept
15-19: Medium priority, consider
10-14: Low priority, maybe
0-9: Likely decline

Saying No Gracefully

Thank you for this suggestion! While I see the value for your use case,
this doesn't align with the project's core focus on [scope].

However, this would make a great plugin/extension! Here's how you could
build it:
- Use the [extension API]
- Example pattern: [link to similar extension]
- We're happy to link to community extensions from our README

Would you be interested in maintaining this as a separate package?

Security Issues

Have a security policy in place.

SECURITY.md Template

# Security Policy

## Supported Versions

| Version | Supported          |
| ------- | ------------------ |
| 2.x     | :white_check_mark: |
| 1.x     | :white_check_mark: |
| < 1.0   | :x:                |

## Reporting a Vulnerability

**DO NOT** open public issues for security vulnerabilities.

Instead, email security@project.org with:
- Description of the vulnerability
- Steps to reproduce
- Potential impact
- Suggested fix (if you have one)

You should expect:
- Acknowledgment within 24 hours
- Status update within 1 week
- Fix in next patch release (typically 2-4 weeks)

We will credit you in the security advisory unless you prefer to remain
anonymous.

Measuring Success

Track metrics that matter.

Community Health

  • Time to first response on issues
  • Time to first response on PRs
  • Percentage of issues closed
  • Number of active contributors
  • Contributor retention rate

Project Health

  • Test coverage
  • Build success rate
  • Number of open bugs
  • Average bug lifetime
  • Dependency freshness

Growth Metrics

  • Stars/forks (vanity, but useful)
  • Downloads
  • Dependent repositories
  • Community size (Discord, etc.)

Personal Health

  • Hours per week on maintenance
  • Enjoyment level
  • Burnout indicators
  • Work-life balance

Your Maintainer Action Plan

First 30 Days as Maintainer

  • Set up all foundation documents
  • Configure automation (CI/CD, bots)
  • Create issue templates
  • Establish communication channels
  • Define contribution process

First 90 Days

  • Identify potential co-maintainers
  • Implement code review process
  • Create good first issues
  • Host community event
  • Document release process

First Year

  • Execute several successful releases
  • Grow contributor base
  • Address technical debt systematically
  • Build sustainable practices
  • Delegate significant responsibilities

Conclusion

Great open source maintenance is about creating systems, not being a hero. You don’t need to personally do everything; you need to create an environment where things get done sustainably.

The best maintainers:

  • Build processes that scale
  • Empower contributors
  • Communicate transparently
  • Set and enforce boundaries
  • Make decisions deliberately
  • Take care of themselves

Maintainership is a learned skill, not an innate talent. Start with these practices, adapt them to your project’s needs, and evolve them as you gain experience.

Your project doesn’t need a perfect maintainer. It needs a thoughtful, consistent, and sustainable one. That’s within everyone’s reach.

The open source ecosystem depends on maintainers like you. Thank you for stepping up to the responsibility.

#Maintainership #Best Practices #Project Management #Community #Leadership