Underdog is a locally running AI assistant for Mac that handles email, calendar, meeting notes, dictation, and browser-based errands without sending data to the cloud. It connects directly to Gmail, Outlook, and Google Calendar, keeping all credentials and AI processing on the user\'s device. Underdog transcribes meetings and voice dictation on-device, and can browse the web to book flights, reserve tables, or cancel subscriptions with user approval. It also monitors data-broker sites and sends removal requests to reduce the user\'s digital footprint.

use AI across multiple desktop apps on Mac. Hit ++ for GPT-powered completions across different apps.

notely AI is an AI-powered workspace that combines notes, tasks, automations, and calendar sync in one place. Users write notes naturally, then ask the built-in assistant to find open items, create tasks, and schedule them to Google Calendar. The assistant proposes every change and waits for user approval before acting, ensuring nothing runs automatically without consent. Notely integrates with Gmail, Google Docs, Slack, Jira, and other common tools, and supports custom MCP servers for extended functionality.


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Muse is a free personal AI agent from Meta available on iPhone, Android, and macOS. It organizes files, fills out forms, and integrates with Messages, Calendar, and Notes on Mac. On mobile, Muse continues handling tasks even when the app is closed. Users can start a task on one device and pick it up seamlessly on another, with WhatsApp integration also supported

Cumora is a chat application designed for teams of humans and AI agents working together in shared workspaces. Each AI agent has a persistent memory, a defined persona, and the ability to initiate conversations on a timer rather than waiting to be prompted. Agents can message each other directly, form small groups, and flag decisions through focused Convene sessions. Cumora runs as a native desktop app on macOS, Windows, and Linux, with a browser and mobile version sharing the same live workspace state.

osaurus is a free, open-source, native Swift application for Apple Silicon Macs that lets users run local AI models entirely on-device using Ollama, MLX, or LM Studio with no data leaving the machine. It provides a unified memory layer shared across local and cloud models, allowing users to optionally connect ChatGPT, Claude, or Gemini when a task requires it. Osaurus supports building autonomous agents with capabilities such as voice control, folder watchers, browser plugins, and parallel job execution. The app is MIT licensed, requires no account or subscription, and is designed to work fully offline with inference running directly on Apple\'s M-series chips.