Their native harnesses
Claude Code, Codex, Kimi Code and DeepSeek Harness run in their own native environments. Their tools, hooks, permissions and history stay with them. The original terminal or Native UI is always within reach.
THE OPEN-SOURCE AGENT DEVELOPMENT ENVIRONMENT
Your agents. Your machines.
One workspace.
One interface. Every agent’s native harness. Keep the tools, hooks and workflows you love, and let agents from different providers work together.
Linux, macOS & Windows Android & iOS Free & open source
THEIR NATIVE HARNESSES. YOUR SHARED WORKSPACE.
✳ Claude
Code>_
CodexK Kimi
Code≋
DeepSeek Harness
LESS SWITCHING. MORE BUILDING.
A hundred agents.
One clear picture.
An ADE is a home for your coding agents.
Zerus brings sessions,
conversations and machines into one view, so you can stay focused on
what you’re building.
See the work.
Skip the window shuffle.
Search and filter sessions across your laptop and servers. See who’s working, who’s waiting, and where your attention matters. Machine load and account limits live right alongside.
Built for a few agents. Ready for a fleet.
View full size
Different computers.
The same workspace.
A project connects folders and sessions across machines. Project catalogs and shared recovery rules sync directly over SSH. Come back online and your peers catch up.
Peer to peer. No central cloud required.
View full size
A question?
You’re already there.
Notifications take you straight to the right session. Read replies, answer questions, review approvals and send messages or images. Follow tasks and subagents beside the conversation.
Local or remote. The same conversation.
View full size
Real Zerus interfaces. Screenshots use synthetic projects, machines and conversations.
NATIVE HARNESSES. CONNECTED AGENTS.
One interface.
Every agent’s native power.
Choose the right agent for each job. Zerus brings their native harnesses together, preserving the tools, hooks and workflows that make each one useful.
Built to work together
Let Codex implement a change and Claude review it. Agents can discover sessions, read progress and exchange tasks and results through the built-in hgs CLI, locally or over SSH. Each keeps its own native conversation.
One place to stay in control
Follow conversations, answer questions and review approvals across providers in one workspace. Your agents run on your machines, and terminal sessions keep working in tmux when you close Zerus.
Shared controls depend on the native agent and its version. Existing hooks and native workflows stay available. Explore the reference
VOICE CONTROL · DESKTOP + MOBILE
Talk to your
coding agents.
Describe a change, report a bug or give the next instruction by voice. Zerus turns your recording into text for Claude Code, Codex, Kimi Code or DeepSeek Harness on your connected computers.
Set up voice messages-
Record where you are
Use the microphone on desktop, Android or iPhone. Stop to keep a preview; your typed draft stays separate.
-
Send to the agent you choose
Press Send voice in the selected conversation. Zerus recognizes the recording and delivers the text to that native agent.
-
Replay it. Read it.
The original audio stays in history with a player and an expandable transcript, across your connected devices.
Your speech provider. Your choice.
Configure providers in Zerus Settings. Run local GigaAM for Russian on a processing computer, or connect an OpenAI-compatible transcription server. Choose the computer and provider for your recording.
A LITTLE DISTANCE. SAME WORKSPACE.
ZERUS FOR ANDROID & iOS EARLY ACCESS
Step away.
Stay in the loop.
Your desk isn’t the only place ideas happen. Take your agent workspace with you.
- Read replies, answer questions and send text or voice messages.
- Start sessions and follow tasks and subagents.
- Keep drafts and cached conversations close, even offline.
Android 8.0+
Development builds
iOS 18+
TestFlight public beta
Connect
through a trusted, self-hostable HTTPS relay.
Setup guide
MAKE ROOM FOR YOUR NEXT IDEA
Get Zerus.
Choose your platform for downloads and setup.
Free and open source. Build from source.
ARCH LINUX
Install on Linux
Install the stable desktop app and CLI from the AUR.
yay -S zerus-ade-bin
Then run zerus-setup as your normal user.
Stable release for x86_64
View AUR packageNightly & other packages
Nightly binary
Stable source
Latest source (Git)
Nightly releases include the latest verified changes.
Stable release on GitHubNightly releases on GitHub
Other distributions: build from source.
Back to platformsMACOS
Install on macOS
Install the signed desktop app and CLI with Homebrew, or download the DMG. Apple Silicon, macOS 14 or later.
brew install --cask ufna/zerus/zerus
Then run zerus-setup once as your normal user, without sudo.
Signed and notarized. Stable, Nightly and Dev Homebrew casks available.
Back to platformsWINDOWS
Install on Windows
A portable desktop app and CLI for Windows 10 (1903+) and Windows 11, x86_64. No installer or WSL required.
- Download and extract the whole ZIP.
- Open
hgs-tray.exe. Keep the bundled files together. - Connect over SSH or enable local sessions in Machines.
Includes hgs.exe for the terminal. Stable and Nightly ZIPs are on GitHub.
ANDROID
Zerus on your phone
Download the APK, install it, then pair your computer from Machines → Pair a phone… in the desktop app.
Development builds
Download Android APKTry demo lets you explore before connecting a computer.
Pairing and installation guide Back to platformsiOS
Zerus on your iPhone
Join the public beta on TestFlight. Requires iOS 18 or later.
Join the iOS beta on TestFlightInstall the app, then pair your computer from Machines → Pair a phone… in the desktop app. Try demo is available before pairing.
Pairing guide Back to platformsA FEW GOOD QUESTIONS
Before you
settle in.
What is an Agent Development Environment?
An ADE brings coding-agent sessions, conversations, tasks and controls into one workspace. Zerus helps you work with multiple agents and projects across your computers, with a desktop app, the hgs CLI and Android and iOS companions.
Do I need to move my projects?
No. Work in existing folders on your machines, with or without Git. Connect other computers over SSH and group their folders into shared projects.
Which agents can I use?
Claude Code, Codex, Kimi Code and DeepSeek Harness have native adapters. You can run any terminal command through hgs; Activity, questions and session controls need a compatible adapter. Install and sign in to your chosen agents on the machines where they run.
Can agents from different providers work together?
Yes. Zerus includes a shared CLI for session discovery, activity inspection and messaging. Agents with shell access can use hgs to exchange tasks and results with another provider’s agent, locally or on a connected machine. Each agent continues in its own native harness, with its own tools and hooks.
Where do my agents and data live?
Your agents run on your own computers. Desktop peers communicate over SSH, and SSH settings and credentials stay local. Phones connect through a trusted HTTPS relay you can self-host. The current mobile protocol is TLS-protected, but is not end-to-end encrypted. Read the mobile architecture and trust model.
Is Zerus free?
Yes. Zerus is free and open source under the MIT license. You use your own agent accounts; any provider subscriptions or API usage are handled by those providers.