OpenShell
Replaces E2B
Run autonomous AI agents in kernel-isolated sandboxes with declarative YAML policies for files, network access, and credentials.
Open source alternatives to E2B
2 free, self-hostable tools you can use instead of E2B, sorted by GitHub stars.
Alternatives to E2B 2
substrate
Replaces E2B
Run millions of AI agent sandboxes on shared infrastructure with 10x higher density than standard container runtimes. Apache 2.0, Kubernetes-native.