Somewhere on GitHub right now, there is a project that millions of people use every day. A tool that powers websites, apps, or developer workflows around the world. And tucked inside its list of contributors is a name that started exactly where you are right now: completely new, slightly intimidated, and wondering whether they were ready.
They were. And so are you.
Open source is one of the most powerful ways to grow as a developer. It builds real-world skills, puts your work in front of potential employers, connects you to a global community, and gives you the deeply satisfying feeling of shipping something that genuinely helps people. Yet for most beginners, the whole thing feels like walking into a room where everyone already knows each other and speaks a language you haven’t fully learned yet.
This guide is here to change that. We’re walking you through everything you need to know to make your first open source contribution, step by step, with zero assumptions about your experience level.
What Open Source Actually Means
Before diving in, let’s be clear on what we’re talking about. Open source software is software whose source code is publicly available for anyone to view, use, modify, and distribute. Some of the most widely used software in the world is open source: Linux, Firefox, Python, VS Code, React, WordPress, and thousands more.
When you contribute to an open source project, you are joining the team of volunteers and professionals who build and maintain that software. Contributions come in many forms, and writing code is just one of them. Fixing bugs, improving documentation, translating content, designing interfaces, writing tutorials, and reporting issues all count as meaningful contributions.
This matters because a lot of beginners hold themselves back thinking they need to be advanced developers before they can contribute anything useful. That is simply not the case. Some of the most valuable contributions to popular open source projects have been documentation improvements, typo fixes, and clearer error messages, all done by people who were just getting started.
Why You Should Start Contributing Now
The benefits of open source contribution go well beyond good feelings. Here is what consistently happens when developers engage seriously with open source:
Your skills level up fast. Reading real codebases, understanding how experienced developers structure their work, and getting your code reviewed by people who care about quality accelerates your growth in ways that tutorials and side projects simply cannot replicate.
Your portfolio becomes undeniable. A GitHub profile with real, merged contributions to active projects is one of the strongest signals you can send to a hiring manager. It shows that you can read existing code, follow contribution guidelines, collaborate with a team, and ship production-ready work.
You build a real network. Open source communities are active, global, and genuinely welcoming to newcomers. The connections you make while contributing, maintainers, fellow contributors, project leads, can open doors that LinkedIn messages rarely do.
You give something back. If you use open source tools in your daily work or learning, contributing is how you return the favour to the people who built them.
The Essential Vocabulary You Need to Know
Open source has its own language, and knowing these terms before you start will save you a lot of confusion:
Repository (Repo): The folder on GitHub where all of a project’s files, code, and history live.
Fork: Creating your own personal copy of someone else’s repository. You make all your changes here before proposing them to the original project.
Clone: Downloading a repository from GitHub to your local computer so you can work on it.
Branch: A separate version of the code where you make your changes without affecting the main project.
Commit: Saving a snapshot of your changes with a short message describing what you did.
Pull Request (PR): A formal request to the project’s maintainers to review your changes and merge them into the main codebase. This is how your contribution officially enters the project.
Issue: A GitHub thread used to track bugs, feature requests, questions, or tasks within a project.
Maintainer: The person or team responsible for reviewing contributions and managing the project.
README: The introductory document in a repository that explains what the project does and how to use it.
CONTRIBUTING.md: A file that explains the specific rules and process for contributing to that particular project. Always read this before submitting anything.
How to Find the Right Project to Start With
This is where many beginners get stuck. The instinct is to aim straight for a massive, famous project like React or Python, and immediately feel overwhelmed. A better approach is to start with something smaller, more focused, and more welcoming.
Start with tools you already use. If you regularly use a particular library, framework, or tool in your own projects, you already understand what it does and how it behaves. That familiarity is a genuine advantage when reading the codebase and understanding what needs fixing.
Look for beginner-friendly labels. Most active open source projects tag certain issues with labels like “good first issue,” “beginner friendly,” or “help wanted.” These are specifically flagged by maintainers as suitable starting points for new contributors.
Here are some practical ways to find these issues:
- Go to any GitHub repository and add /contribute to the end of the URL (for example, github.com/facebook/react/contribute). This brings up a curated list of beginner-friendly issues.
- Visit goodfirstissue.dev, which pulls together good first issues from hundreds of popular projects in one searchable place.
- Visit up-for-grabs.net, which lists projects actively looking for new contributors.
- Explore firsttimersonly.com for issues specifically reserved for people making their very first open source contribution.
Check for project health. Before committing your time, spend a few minutes evaluating the project. Look at when the last commit was made. Check whether recent pull requests are being reviewed and merged. Read through a few open issues to see how maintainers respond. An active, responsive project with respectful communication is the kind of environment where a beginner will actually grow.
Your Step-by-Step First Contribution
Once you have found a project and an issue you want to work on, here is the process from start to finish.
Step 1: Read everything first. Before touching any code, read the project’s README and CONTRIBUTING.md carefully. Many projects have specific rules about code style, commit message format, and how to set up a local development environment. Following these saves you and the maintainer a lot of back-and-forth later.
Step 2: Comment on the issue. Find the issue you want to work on and leave a short, polite comment saying you would like to take it on. Something as simple as “Hi, I am a beginner and would love to work on this. Is it still available?” works perfectly. This prevents duplicate effort and sometimes gets you useful guidance from the maintainer right from the start.
Step 3: Fork the repository. Click the Fork button at the top right of the project’s GitHub page. This creates your own personal copy of the repo under your GitHub account.
Step 4: Clone your fork locally. Open your terminal and run:
git clone https://github.com/your-username/project-name.gitThis downloads your forked copy to your computer so you can work on it.
Step 5: Create a new branch. Never make changes directly on the main branch. Create a dedicated branch for your work:
git checkout -b fix/your-issue-descriptionStep 6: Make your changes. Work on the issue. Whether it is fixing a bug, improving documentation, or updating a translation, stay focused on the specific task. Resist the urge to clean up unrelated things or make additional changes, even if you spot them. Keep your contribution tight and focused.
Step 7: Commit your changes. When you’re done, save your work with a clear, descriptive commit message:
git add .
git commit -m "Fix: corrected broken link in README"Step 8: Push to your fork and open a Pull Request. Push your branch to GitHub:
git push origin fix/your-issue-descriptionThen go to your forked repository on GitHub. You will see a prompt to open a Pull Request. Click it, write a clear description of what you changed and why, reference the original issue number (e.g., “Fixes #42”), and submit.
Step 9: Respond to feedback. Maintainers may review your PR and request changes. This is normal and happens to experienced contributors too. Read their feedback carefully, make the requested updates, and push the changes to the same branch. The PR updates automatically.
Common Beginner Mistakes to Avoid
Making changes directly on the main branch. Always work on a separate branch. This keeps the main branch clean and makes it much easier to manage pull requests.
Jumping into huge projects without reading the guidelines. Every project has a CONTRIBUTING.md for a reason. Skipping it almost always leads to avoidable rejections.
Overcommitting to too many projects at once. Pick one project, make a focused contribution, see it through to completion, and then expand from there. Quality over quantity matters enormously in open source.
Taking feedback personally. A requested change on your PR is not a rejection. It is a maintainer investing time to help your contribution become good enough to merge. Treat every review as a free lesson.
Giving up after one rejection. Not every PR gets merged. Sometimes the project’s direction changes. Sometimes the issue was already being addressed elsewhere. Move on, find another issue, and try again. Every experienced open source contributor has a collection of unmerged PRs.
Once you’re familiar with a project’s codebase and community, you can start tackling more complex issues, helping other beginners who are just arriving, and potentially becoming a regular contributor. Some developers have landed full-time jobs at companies like Microsoft, Google, and various startups directly through their open source contributions. Others have built projects of their own that accumulated contributors and became meaningful open source tools themselves.
The path starts with one comment on one issue.
Open source is not reserved for senior engineers with years of experience and perfect code. It is built by people at every level, including beginners who showed up, read the guidelines, asked politely to help, and pushed through the initial awkwardness of being new.
The tools are free. The projects are public. The communities are welcoming. And the skills you build along the way will serve your career for years.
Find a project you use and care about. Look for a “good first issue.” Leave a comment. Fork the repo. Make the change. Open the pull request. That sequence, done once, changes how you see yourself as a developer.
Have you already made your first open source contribution, or are you still working up to it? Drop your experience or questions in the comments below. We would love to hear from the TechCityNG community!
