Your OSS dependency broke.
We already know the fix.
We maintain critical open source infrastructure. When something breaks in your stack, you're not filing an issue and hoping — you're calling the people who wrote the code.
Your company depends on open source software. Dozens of packages, maintained by strangers on the internet, holding up your production systems. When a maintainer burns out, changes jobs, or just stops responding to PRs — you feel it.
Numtide sits at the intersection. We maintain critical tools in the Nix ecosystem and beyond. We know the maintainers, we know the codebases, and we've been contributing upstream for years. When your OSS dependency blows up, we can fix it fast — because we're already in the code.
This isn't a retainer or an SLA. It's access to engineers who are native to the open source world and can move through it at speed.
PR review bottlenecks
Your patch has been sitting in an upstream PR for months. We know the maintainers, understand the project's review culture, and can get things moving — or maintain a fork properly until it lands.
Abandoned dependencies
A critical package hasn't seen a commit in a year. The maintainer moved on. We can assess the situation, take over maintenance, fork if needed, or help you migrate off it cleanly.
Version lag & compatibility
Extensions not updated for your new major version. Libraries stuck on old APIs. We handle the unglamorous work of keeping your dependency tree current and compatible.
Upstream contributions
You've patched something locally and need it upstreamed properly — tests, docs, CI, the works. We handle the contribution process so your team doesn't have to learn every project's norms.
Fire call
Something broke in production and it's an OSS dependency. You call us. We already know the codebase, diagnose the issue, and ship a fix or workaround. Fast, surgical, done.
Packaging & porting
You need software packaged for Nix, ported to a new platform, or patched for your environment. We handle the build system nightmares — cross-compilation, vendor SDKs, reproducible builds.
Maintenance takeover
A project your stack depends on needs a new maintainer. We can take it on — triage issues, review PRs, cut releases, and keep it healthy. Short-term or ongoing.
Tooling & automation
Backporting patches, tracking CVEs across your dependency tree, automating version bumps — we build the tooling that makes OSS maintenance sustainable instead of exhausting.
This is what we do in the open, every day. These aren't side projects — they're critical infrastructure used by thousands of developers and companies.
We're already inside
We don't need to ramp up on the codebase. We wrote half of it. Our engineers are upstream contributors, maintainers, and community members in the Nix ecosystem and beyond.
Craft over contracts
We're engineers who love the work. Open source isn't our marketing channel — it's who we are. When we maintain a project, we maintain it properly. Clean code, real reviews, proper releases.
No lock-in, ever
Everything we do is open source. If you stop working with us, the code is still there, the commits are still public, and someone else can pick it up. That's the point.
Depends on open source?
Tell us what's breaking, lagging, or unmaintained. We'll tell you if we can help.