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An AI agent with sources, a terminal and deep research, in one desktop app. Cloud or local models, your own keys, and all your data in one folder on your own disk.
Babbage is a desktop app for macOS and Windows. Babbage needs macOS 13 or later. On your phone you use it through the web version, see on your phone.
Free, and no account needed. All files and older versions Read the documentation first
Babbage is not a chat window with a memory bolted on. It is a workplace where the model reads files, runs commands, searches your own documents and keeps working on a schedule while you do something else. With safety nets you set yourself.
Link a folder and the agent reads files, writes changes, runs commands in the terminal and executes scripts. You choose per conversation how strict approval is, from approving everything by hand to letting a helper model review every action for you. Under every write there is a checkpoint, and before the first far-reaching command of a turn a snapshot of the folder.
Claude, Gemini and models on your own machine in the same conversation, switchable per turn. Ollama and LM Studio are found automatically, and you search for and download new models without leaving the app.
Give every conversation its own documents, or share them within a project. Search combines keywords with meaning, and every answer points back, clickably, to the line in the original.
Put an instruction on a schedule, once, on an interval or with cron, and the agent runs it while Babbage is open. If the app was closed, one missed run is caught up as soon as you open it again, and a task that keeps failing pauses itself instead of quietly muddling on.
What you tell it once stays, across conversations. Skills are reusable instructions the agent proposes from your conversations; nothing is saved until you approve.
Multi-step research within a token budget you set, ending in a report in which every claim points to its source.
Web search and fetching web pages are built in. Connect your own MCP servers; a server you switch on joins every conversation.
Babbage runs on your own machine and binds to localhost. There is no account, no subscription and no telemetry: nothing comes to us, because there is no "us". What does go out goes straight to the service you are using at that moment. Talk to a cloud model and that conversation goes to that one provider, with your own key. Pick a local model and the conversation stays on your computer.
The app is free and there is no account. If you use a cloud model you pay that provider directly for what you use, with your own key. If you run a local model it costs nothing.
For Claude or Gemini yes, you paste it into Settings once. For local models no: install Ollama or LM Studio, and Babbage finds them itself.
That is to be expected, and it is not really damaged: the app is deliberately not signed, so Gatekeeper blocks it the first time. You clear that once per version, with a button or with a command.
SmartScreen shows "Windows protected your PC" because the installer is not signed. You can get past it, and this too is once per version.
No. The macOS download is built for Apple Silicon, so for a Mac with an M-chip. On an Intel Mac you run Babbage as the web version through Docker or Node, which works on the same data.
The app checks at startup whether there is a new version and reports it at the bottom of the sidebar. Nothing is ever downloaded or installed without your confirmation.
Yes, but not as a separate app. You run the web version on your computer and reach it through Tailscale, a private network between your own devices. The data stays on your computer.
In one folder on your own disk: a SQLite file with your conversations and settings, plus a readable folder for your skills and a readable file for your memory. A backup is copying that folder.