Open Source Partners
Build faster on your open-source project with Charlie.
If you maintain an OSS project that's actively maintained and has a meaningful footprint, we'll give you free usage, priority support, onboarding help, and co-marketing. In return, you'll use Charlie on real work and share feedback that helps us improve.
You are a good fit if
Your project is actively maintained and has a meaningful footprint
Recent commits/releases, real users, and visible community activity.
You use TypeScript on one or more popular repos
Gives Charlie the type info needed for intelligent code edits.
You are a maintainer or core contributor
You can merge PRs and steer priorities.
You're willing to use Charlie on real work
Use issues/PRs you already planned to do; we do the heavy lifting.
You'll share feedback and light outcomes
Short notes in PRs or a quick bi-weekly touchpoint.
Nice to haves
- Slack for convos and Linear or GitHub Issues
- Small core team (2-10)
- Open Source Program
How it works
What the collaboration looks like when we work with maintainers and core contributors.
Use Charlie for real changes
We draft and iterate on PRs you were going to do anyway.
You stay the reviewers
You keep control: review, request edits, and merge.
Momentum shows up quickly
Expect more shipped work and fewer maintainer bottlenecks.
Bi-weekly check-ins
A quick sync to adjust scope and capture feedback.
How do we know this will work?
Because Charlie built all of Charlie (~90% of PRs) with <5 contributors in weeks not years.
What we are offering
- Free usage for maintainers
- Priority support + onboarding
- Early access to new capabilities
- Co-marketing opportunities
Apply now
Ready to accelerate your OSS project?
Apply for the Open Source Partners program and let Charlie help you ship faster.