Best free & open-source AI agent orchestrators (2026)

Tools that are free to use and published under an open-source licence. You still pay your model provider. 10 tools, data checked 2026-10-15. Unknowns are marked.

Orca

MIT-licensed 'Agent Development Environment' with desktop and mobile apps, SSH remote worktrees, an agent dashboard, scheduled automations and a plugin marketplace.

FreeOpen source: Yes (MIT)macOS, Windows, Linux, iOS, Android (APK)

Agents: 27 named CLI agents, any other CLI agent

Paseo

Self-hosted daemon with desktop, web, mobile and CLI clients for running parallel agents in isolated git worktrees, with an end-to-end encrypted relay and cron schedules.

FreeOpen source: Yes (Apache-2.0)macOS 13+, Linux, Windows, iOS, Android, Web, CLI

Agents: Claude Code, Codex, OpenCode, Pi, Antigravity, Muse Code, 30+ more via ACP catalog (incl. GitHub Copilot, Cursor, Gemini CLI, Amp)

T3 Code

Control surface for agents already installed on your machine, with per-thread worktrees, multi-model fan-out, strong PR tooling and desktop/web/mobile clients.

Free (bring your own subscriptions; 'no token reselling')Open source: Yes (MIT)macOS, Windows (app only, no background service), Linux, Web, iOS, Android

Agents: Claude Code, Codex, Cursor, Grok Build, OpenCode, Google Antigravity

Emdash

Desktop app running 25+ coding agents in parallel, each in its own git worktree, with scheduled repeat work, a built-in preview browser and SSH remotes.

Free (no paid tier announced)Open source: Yes (Apache-2.0)macOS, Windows, Linux

Agents: Codex, Cursor, Claude Code, Amp, Antigravity, 25+ total

Jean

From the Coolify team: orchestrator with a headless jean-server, 'Magic Git Commands' and a beta mode that sweeps GitHub issues on a schedule.

Free ('no paid tiers, no feature gates, no usage limits')Open source: Yes (Apache-2.0)macOS, Linux server, other desktops in testing

Agents: Unknown (multi-provider per source; exact list not verified)

Synara

Local-first T3 Code fork known for provider handoffs (switch a task from one agent to another and keep context) and MCP in both directions.

FreeOpen source: Yes (MIT)macOS, Windows, Linux, Server + web client

Agents: Claude Code, Codex, Devin CLI, Factory Droid, Antigravity, Cursor, Grok

Omnigent

Alpha 'meta-harness' adding policies, spend caps, model routing and an OS-level sandbox over Claude Code, Codex, Pi and YAML-defined agents.

FreeOpen source: Yes (Apache-2.0)macOS, Web, iOS, Android, Terminal, REST API

Agents: Claude Code, Codex, Pi, custom YAML agents

Omnara

Platform to launch, watch and steer coding agents remotely (mobile-first), on your own machines or Omnara-managed machines.

$0 platform fee; pay-as-you-go for Omnara-managed models (provider token rates) and machinesOpen source: Yes (Apache-2.0, per pricing page)iOS, Android, Web

Agents: Claude Code, Codex, more (exact list unverified)

Claude Squad

Terminal app that manages multiple AI terminal agents using tmux sessions and git worktrees.

FreeOpen source: Yes (AGPL)macOS, Linux

Agents: Claude Code, Codex, OpenCode, Amp

Vibe Kanban

Kanban board for agents: drag a card to In Progress and an agent works on its own branch. Bloop announced shutdown in April 2026; code is community-maintained and the hosted cloud is being switched off.

FreeOpen source: Yes (Apache)Local web UI

Agents: Many CLI agents

Related guides: Best tools to run AI coding agents in parallel · Best tools to run multiple Claude Code agents at once · Best tools to run parallel AI coding agents on Windows · Best tools to run parallel AI coding agents on Linux · Best apps to manage AI coding agents from your phone · Conductor alternatives · Cost calculator

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