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Kern: a fast, rootless container runtime and sandbox with no daemon. It is listed under Development & Code on AI Registry as a free tool.
The tools below are approved listings in the same category, ordered by how closely their tags match Kern. This is an automatic list. We have not written a researched verdict for Kern yet, so treat it as a shortlist and check each vendor's pricing page before switching.
Built from each tool's listing. Vendors can update their own listing after claiming it.
Run AI agents on real and isolated machines — own kernel, filesystem, and network — with <100ms boot.
ArcBox is an agent computer platform that gives each AI agent its own isolated machine, a full operating system with its own kernel, filesystem and network. The same environment comes in three lifetimes: a Computer the agent keeps between tasks with snapshot and resume, a Sandbox created in milliseconds and destroyed w...
Daytona is a Secure and Elastic Infrastructure for Running AI-Generated Code
Daytona is secure, elastic infrastructure for running AI generated code. Developers and agents create isolated sandboxes through an SDK, execute code and commands inside them, and delete them when finished, so untrusted output from a model never touches the host infrastructure. Daytona states that sandbox creation take...
Robust, fast, scalable, and sandboxed open-source online code execution system for humans and AI.
Judge0 is an open source, sandboxed online code execution system. It exposes an API that compiles and runs code submitted by users or by AI agents, so that products such as competitive programming platforms, e learning sites, candidate assessment tools, online code editors and AI code generation workflows do not have t...
10x - Up to 20x faster AI coding with multi-step Superpowers.
10x is a terminal based AI coding agent that reads a whole codebase to plan, generate and verify code changes. It runs in the shell rather than as an IDE plugin, with full file system access for reading, writing and editing files, glob and grep search, and the ability to run commands, scripts and build tools while show...
Unlimited FREE AI coding.
9router is a local AI gateway that sits between coding tools and model providers. Developers install it globally from npm, a dashboard opens automatically, and every connected CLI or IDE points at a single OpenAI compatible endpoint on localhost. From there 9router routes each request across more than 60 providers and ...
AI Hackathon 2026 @ UC Berkeley Intelligent context management for developers
Accordion is a context visualization and context management extension for coding agents. It shows an agent's entire context window on one screen, one square per block in conversation order, colored by type (user message, thinking, tool call, tool result, assistant response) and sized by token count. Developers can clic...