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Welcome to Zelos

Zelos is the data platform for mission-critical systems. We help teams observe, control, and test their system on a collaborative platform – from prototype to production.

  • Zelos App

    The mission control center for capture and control.

    Explore the App

  • Zelos SDK

    Stream data from your code with minimal overhead. Python, Rust, and Go supported.

    Browse SDKs

  • Zelos Agent

    Collect, buffer, and stream data from all your systems. Runs anywhere.

    Learn about Agent

  • Release Notes

    Updates on recent versions of all products.

    View Release Notes

🚀 Quick Start

Get your first data flowing in seconds:

#!/usr/bin/env -S uv run --script
# /// script
# requires-python = ">=3.10"
# dependencies = [ "zelos-sdk" ]
# ///
import random
import time

import zelos_sdk

zelos_sdk.init()

src = zelos_sdk.TraceSource("example_source")
while True:
    src.log("example/event", {"value": random.randint(0, 10)})
    time.sleep(0.01)

# Run it!
uv run example.py

# Add to Cargo.toml
cargo add zelos

# See examples
git clone https://github.com/zeloscloud/zelos
cd zelos/examples
cargo run --example hello-world

# Get the SDK
go get github.com/zeloscloud/zelos/go@latest

# Run example
git clone https://github.com/zeloscloud/zelos
cd zelos/examples
go run hello-world.go

Then open Zelos App to see your data streaming live!

📚 Documentation Overview

Getting Started

Component Guides

Installation

Reference