Multi-model chat
OpenAI, Claude, Gemini, Mistral, DeepSeek, Ollama, and more — switch models mid-conversation without losing context.
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Joanium
Your desktop AI command center. One install, every model, zero cloud dependency.
Free forever
No account required
Zero telemetry
Open source
Windows
Windows 10+ · 64-bit · .exe
macOS
macOS 11+ · Universal · .dmg
Linux
x86_64 · AppImage
Open source
Built in the open.
Powered by the community.
Joanium is open source. Star the repo to stay updated, sponsor to fund future builds, and check the issues to shape what ships next.
Star on GitHub
Watch releases and help others discover Joanium. The fastest way to stay updated.
Sponsor the project
Fund new features, faster releases, and the kind of polish that takes real time. Every contribution counts.
Open an issue
Found a bug or have a feature request? GitHub issues are the fastest path from idea to shipped.
Changelog & releases
See everything that shipped. Every release is documented with what changed and why it matters.
What's included
One download.
Every capability.
Not a subscription, not a hosted service. A real desktop app that keeps working after you install it.
Scheduled agents
Morning briefs, PR digests, inbox summaries — automations that run on your schedule and report back to your channels.
Reply from anywhere
Telegram, Discord, Slack, WhatsApp — reply from your phone with full tool access and the same context as your desktop.
Local-first privacy
No Joanium servers in the loop. Your keys, conversations, and usage data stay on your machine, always.
Skills & Personas
Switch your AI into a senior engineer, skeptical analyst, or technical writer with one click. Browse the marketplace for more.
MCP extensible
Connect any MCP server to give your AI access to databases, filesystems, APIs, and tools beyond the defaults.
Before you install
System requirements
Windows
Windows 10 or later (64-bit)
macOS
macOS 11 Big Sur or later
Linux
x86_64 · AppImage (no install needed)
Storage
~150–170 MB disk space
Internet
Required for cloud models. Optional for local (Ollama)
API Keys
Bring your own from OpenAI, Anthropic, Gemini, and more
Stop tab-switching.
Start shipping.
Free to install. Local by design. Powerful enough to replace the pile of half-connected AI tools you've been tolerating.
Then: connect your API keys → choose your models → start automating.