Thalia

Thalia is a native macOS code editor that runs agentic coding workflows with Meta's Muse Code CLI.

Thalia is a native macOS application designed for agentic coding using Meta's Muse Code CLI. It allows developers to plan tasks, steer work, review diffs, rewind changes, and ship pull requests directly from their Apple Silicon Macs. The app features built-in voice mode, keychain credential management, guided Model Context Protocol presets, and a project terminal. Supported integrations include GitHub, Linear, Cloudflare, Sentry, and GitLab. Users bring their own Meta Muse access and GitHub CLI integration.

Thalia at a glance

Best for: Software engineer
Runs on: macOS
Pricing: Free app; requires own Meta Muse access
Released: October 2026
Category: AI coding tool
Website: usethalia.com

Key features

Native SwiftUI interface for Apple Silicon Macs
Agentic coding integration with Meta Muse Code CLI
Built-in voice mode for hands-free interaction
Keychain storage for connector keys
Git-based change review and snapshot approvals
Checkpoint-based rewinds with previews
Guided MCP presets for external services

Use it for

Planning software features with AI agents
Reviewing code diffs and snapshots
Managing Git branches and pull requests
Controlling coding tasks with voice commands

Alternatives to Thalia

Magpie — It enables AI agents to use models not natively supported by their internal protocols.
ZCode — Integrates GLM-5.3 with multi-agent workflows and remote chat control.
LangChain — Compose exactly the agent your use case needs from model, tools, prompt, and middleware.
cmux — It features vertical tabs, notification rings, and split panes for AI coding.
Atlas — Centralize agent control, session logging, and project git state in one workspace.
Alma — Manage coding agents and models across your desktop and iPhone.
Palomino — Runs multiple agents side by side in one native Mac window
Farol — Run Claude Code and Codex agents in parallel with isolated git worktrees.
Quotio — It unifies multiple AI provider accounts and tracks quotas in one dashboard.
Twine — Coordinates multiple coding agents with visual traces and controlled workflows.
Gtree — Runs multiple AI coding agents together and flags file overlaps.
ESP-Claw — Runs agent runtimes directly on device chips for local decision making.

All Thalia alternatives