# Self-hosted alternatives to Modal

> 1 self-hostable, open-source alternative to Modal, ranked by score.

- [Containarium](https://selfhost.directory/project/containarium)

## Also in AI Agents

Not listed as Modal alternatives, but from the same category:

- [SandBase Harness](https://selfhost.directory/project/sandbase-harness): Self-hosted, open-source runtime for AI agent sessions: sandboxes, MCP toolsets, credential vaults, memory, audit replay, and a built-in web Console.
- [Trinity](https://selfhost.directory/project/trinity): Trinity is a self-hosted, open-source platform for running AI agents in production with human approval gates, git-native state, and audit trails.
- [open-managed-agents](https://selfhost.directory/project/open-managed-agents): Self-hosted open-source agent platform managing sessions, execution, recovery. Supports any model, harness, sandbox via Docker, Node.js, Fly.io, Cloudflare.
- [bullx](https://selfhost.directory/project/bullx): Self-hosted AI agent platform with a Company Brain that learns from conversations. Agents run in isolated containers. Integrates with Slack, Teams, and other chat tools.
- [Hexis](https://selfhost.directory/project/hexis): Hexis is a self-hosted, open-source platform for managing AI-agent skills, tools and context via a Git-backed repository, accessible through MCP.
- [oc8](https://selfhost.directory/project/oc8): oc8 is a self-hosted, open-source platform for orchestrating AI agents that work across business software using the Model Context Protocol with human oversight.

All 328 AI Agents projects: https://selfhost.directory/ai-agents

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Source: https://selfhost.directory/alternative-to/modal