20 E2B alternatives
E2B: Secure cloud sandboxes where AI agents can run untrusted code safely, starting in milliseconds. 20 apps do similar work, most sharing Open Source, Developers and Python, ranked by how much they have in common with E2B.
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All Hands AI
OpenHands — the leading open-source coding agent platform, self-hostable or run in the cloud.
Also: Developers, Open Source, Sandbox, Self-Hosted
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IBM (DataStax)
Open-source, MIT-licensed visual builder for AI agents, RAG apps and MCP servers, maintained by IBM's DataStax and extensible in Python.
Also: Open Source, Python, Self-Hosted
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HKUDS
Open-source, self-hosted personal AI agent you run yourself — browser UI, terminal or your chat apps, with memory, MCP tools and scheduled automations.
Also: Open Source, Python, Self-Hosted
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Cloudflare
Open-source AI workspace you deploy into your own Cloudflare account: agent chat wired to company context, sandboxed app building, and policy guardrails.
Also: Open Source, Sandbox, Self-Hosted
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The framework and observability platform most teams use to build, debug, and ship LLM agents.
Also: Developers, Open Source, Python
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Open-source LLM observability — trace, evaluate, and improve AI applications with production data.
Also: Developers, Open Source, Python
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The multi-agent framework where agents have roles and collaborate as a crew — plus a platform to run them in production.
Also: Developers, Open Source, Python
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Aisle Technologies, Inc.
An open-source layer that lets your customers describe a feature and get a working micro-app inside your product — sandboxed to their own permissions.
Also: Developers, Open Source, Sandbox
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Abhishek Iyer
A local, keyboard-driven diff viewer built for the huge changes coding agents produce - and it remembers what you have already seen.
Also: Open Source, Python
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Vectify AI
A vectorless RAG engine that builds a tree index of long PDFs and lets an LLM reason its way to the right section, with page-level citations.
Also: Open Source, Python
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Serverless GPUs from a Python decorator — deploy models and batch jobs with no containers or cluster to manage.
Also: Developers, Python
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Document parsing and retrieval built for agents — turn messy PDFs into structured, queryable context.
Also: Developers, Python
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Mimo GmbH
Interactive coding courses with an AI tutor, covering Python, JavaScript, React, SQL and AI-assisted development through structured career paths.
Also: Developers, Python
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Microsoft
Microsoft's open-source, policy-driven sandbox SDK for running agents, model-generated code, tools and plugins with only the files and network access you grant.
Also: Open Source, Sandbox
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Osaurus, Inc.
Native macOS harness for AI agents — any model, persistent memory, sandboxed execution and cryptographic identity, fully offline and open source.
Also: Open Source, Sandbox
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Cua AI, Inc.
Open-source computer-use infrastructure: a desktop driver, cloud desktop fleets, local macOS VMs and a benchmark for agents that click.
Also: Open Source, Sandbox
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Open-source, sandboxed AI agents for every employee, fronted by a gateway that injects scoped credentials so the agent never holds a password.
Also: Open Source, Sandbox
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Run agent evals and private benchmarks in sandboxed cloud environments — compare Claude Code, Codex, Cursor and Copilot on the same real tasks.
Also: Developers, Sandbox
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Digger
Write an agent as a TypeScript function and deploy it in seconds onto KVM-isolated Linux microVMs, with the loop, sessions, streaming and versioning managed for you.
Also: Developers, Sandbox
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Bruin Data Limited
Run Claude Code, Codex or OpenCode in the cloud from a single HTTP call — no SDK, no daemon, no infrastructure on your side.
Also: Developers, Sandbox