SPACE is Perplexity's sandbox platform for running code in isolated Firecracker microVMs. Applications use its HTTP API to create Linux environments, run commands, and manage each sandbox.
The SPACE repository lists the Apache License, Version 2.0. Last checked 19 Oct 2026.
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Three other agent frameworks tools listed in this directory.
Agent frameworks
Letta, formerly MemGPT, is an open source platform for agents that keep memory over time. You can run it yourself or use the hosted service.
Agent frameworks
NVIDIA OpenShell is an open source runtime for autonomous agents. Each agent runs in a sandbox, and a policy outside the process decides which files, calls, and network connections are allowed.
Agent frameworks
OpenClaw Enterprise is an open source control plane for agents on machines or a cluster you operate. It adds multi-tenancy, governance, and security boundaries.