froglet.
Public beta · v0.1all systems normal

The speed of a container.
The persistence of a VPS.

Long-running Linux boxes with their own kernel.

60 seconds to your first box
or
cold boot
1s
p50 · from cold storage
real microvm
kvm
not a container · own kernel
uptime ceiling
long-running by default
fleet
18 hosts
fsn1 · all green
Two ways to use it

A long-running Linux box. Or a fleet behind your API.

Personal · dev box

A Linux microVM that stays up as long as you want.

cursor · vs code · any ssh client

# boot a box. leave it running. ssh in from anywhere.
$ froglet sb new --size m --image ubuntu-24.04
cold boot · 1s · ssh root@calm-otter.froglet.sh
$ ssh root@calm-otter.froglet.sh
last login: 4 days ago · uptime 96h
API · infrastructure

One box per tenant, per agent, per long-running job.

rest · typescript sdk · cli · python (soon)

Sandboxes
long-running · fast cold boot
Templates
pre-baked images
Volumes
shared disks · hot-attach
Backups
scheduled · R2-backed
take it for a spinSign up
Build on it

The whole machine, over HTTP. Down to per-key scopes.

Sandboxes

5
  • POSTCreate a sandbox
  • GETList sandboxes
  • GETGet sandbox details
  • POSTStop / start a sandbox
  • DELDelete a sandbox

Files

5
  • GETList a directory
  • GETDownload a file
  • PUTUpload a file
  • POSTMove or rename
  • DELDelete a path

Process

4
  • POSTExec a shell command
  • POSTExec with streaming
  • GETTail logs
  • POSTSend signal

Volumes · Backups

4
  • POSTCreate a volume
  • POSTAttach to a sandbox
  • POSTSchedule a backup
  • POSTRestore from snapshot
One line away
curl https://api.froglet.sh/v1/sandboxes \
  -H "Authorization: Bearer fl_..." \
  -d '{ "template": "ubuntu-24.04", "size": "s" }'
The whole loop

One CLI. One control plane.

$ froglet sb new --template ubuntu-24.04 my-agent
creating my-agent  (ubuntu-24.04)
ready  ssh root@my-agent.froglet.sh   cold boot 1s

$ froglet volume attach my-agent models /models
attached  models → /models   hot-mount · 127ms

$ froglet sb exec my-agent -- python serve.py
[stdout] booting vllm worker on /models
[stdout] listening on :8000

$ froglet sb backup my-agent --label pre-deploy
captured  sha256:7a9c…   412ms · 184 MB
Where it lands

Speed & Reliability. Out of the box.

CapabilityContainerVPSFroglet
Cold boot to ssh~10s30 – 60s1s
Real Linux kernel
Long-running · weeks · months
State persists across restarts
SSH keys and IP survive a reboot
Real Docker · KVM · perf counters
Per-second billing

fsn1 · ubuntu-24.04 · 2 vCPU · cold storage in R2

Boot your first box.

Already have an account? Sign in →