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Software Development for Developer Tools and Platforms
We build developer platforms and AI-assisted tooling for open-source maintainers, software teams, developer-platform companies and AI startups.
From coding agents and sandboxed preview environments to GitHub integrations and the review flows that keep humans in control. We develop the tools developers use to build.
Our Products
A developer platform we built, running in production
DuckPond is live today, and the same agent, sandbox and pull request machinery can be adapted to your own product.
Change Apps Without Writing Code
DuckPond
DuckPond lets anyone describe a change to an app in plain words, try it in a live preview, and send it to the maintainers as a pull request. Contributors never touch the code; maintainers review as they always have. We built the AI agents that make the change, the sandbox that runs every preview, and the GitHub pull request flow that keeps the maintainers in control of what ships.
Key Features
AI Agents That Make the Change
A described change becomes a working edit to the real codebase, made by an agent on the user's own AI account, with a safety check before anything is shown.
Sandboxed Live Previews
Every change runs in an isolated sandbox with a live preview the user can try and iterate on, so nothing is judged from a diff alone.
GitHub Pull Request Flow
The finished change is opened as a pull request credited to the user, and the maintainers review, request changes or merge in GitHub as usual.
Private Workspaces
For private repositories, contributors describe changes without ever seeing the source, and nothing reaches the repo until the owner reviews it.
Use Cases
How We Build Developer Tools
Agents, sandboxes and pull requests. The parts most teams spend a year on
Every developer tool we deliver sits on the same layer: a coding agent, an isolated environment to run its work, a review step before anything ships, and the integrations that put it where developers already are.
AI Coding Agents
Agents built on Claude and other models that read a codebase, make a scoped change, run the checks and explain what they did.
Isolated Sandboxes
Ephemeral environments where generated code runs with a live preview and no access to anything it should not reach.
Git-Native Workflows
Pull requests, branches, reviews and checks on GitHub or GitLab, so the tool fits the process a team already trusts.
Open Source by Default
Public repositories, documented APIs and MCP servers, so developers can inspect, extend and self-host what we build.
Why Work With Us
Your Developer Tools Partner
We build and operate a developer platform ourselves, so we know what breaks: agent reliability, sandbox cost, secret handling, and the trust of maintainers.
Built with Agents Every Day
We ship our own products with coding agents, so we know where they are reliable, where they need a check, and how to show their work.
Secure by Design
Generated code never runs with access to secrets or production, and every change passes a review step before it ships.
Developer Experience First
Tools that fit the terminal, the editor and the pull request, documented well enough that a developer gets started without asking.
Let's Build Your Developer Platform
Whether you need a coding agent inside your product, a sandboxed preview pipeline, or a contribution flow for your open-source project: let's talk about what you are building.