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Omni – Local Semantic Search for Your Mac

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Omni is a native macOS app that provides fast, local semantic search across all file types—including text, code, images, audio, and video—using an on-device embedding model running fully offline on Apple Silicon Macs with macOS 14 or later. It indexes user-selected folders into a local vector database allowing queries by meaning rather than keywords, supports multilingual search, displays folder contents as similarity-based maps, and offers a local API for AI agents, all while preserving privacy with no data leaving the Mac. The app features extensive search filtering, keyboard navigation, incremental updating, and configurable performance and storage options to optimize indexing and search workflows.

https://hanxiao.io/omni/

Memoriq – Your Private AI Memory

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Memoriq is a privacy-focused, end-to-end encrypted AI memory vault that lets users save and search important conversations from major AI platforms like ChatGPT, Claude, Gemini, and Grok in one secure place. It offers a free hosted option with 100 MB storage or self-hosting for unlimited storage, with all data encrypted client-side before uploading to ensure zero-knowledge privacy. The open-source project includes a Chrome extension for easy chat capture, organization by projects and tags, and supports full data export and deletion under user control.

https://memoriq.me/

Second Brain – Your AI Shouldn’t Start From Zero

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Second Brain is a self-hosted, persistent memory layer for AI tools like Claude, ChatGPT, and Cursor that maintains shared context across sessions by storing, synthesizing, and recalling user data on Cloudflare’s free-tier infrastructure. Unlike built-in AI memories that reset or lack transparency, Second Brain offers searchable, exportable, and conflict-resolving storage accessible through any Model Context Protocol (MCP) compatible client, enabling consistent, cross-tool continuity without repeated explanations. Its extensible ecosystem includes CLI tools, Obsidian integration, and iOS shortcuts, providing practical workflow enhancements for developers and knowledge workers.

https://www.thesecondbrain.dev/

Kept – LLM Chat Archive

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Kept is a local-first tool that archives AI chat conversations from multiple LLM providers as plain markdown files stored on your filesystem, enabling full-text search, semantic recall, and integration with tools like Obsidian. It supports manual and automatic capture, offers a knowledge graph and topic clustering, and includes a MCP server for integration with other clients, while maintaining user data privacy by default without any cloud dependency.

https://kept.work/

Introducing Shortcuts Playground: Create Apple Shortcuts with Claude Code or Codex

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Shortcuts Playground is a free, open-source plugin for Claude Code and Codex that enables users to create Apple Shortcuts using natural language prompts, producing ready-to-import shortcut files on Mac. Developed over six months by Federico Viticci, it uses extensive documentation, validation loops, and Apple's own command-line tools to generate mostly accurate shortcuts, allowing users to automate tasks without advanced Shortcuts knowledge. The project aims to democratize and simplify automation on Apple platforms while anticipating future native AI-based solutions from Apple itself.

https://www.macstories.net/stories/introducing-shortcuts-playground/

Atomic — Everything You Know, Connected

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Atomic is an open-source, self-hosted knowledge graph app that organizes notes, articles, and web clips by automatically embedding, tagging, and linking them into a connected knowledge base. It features semantic search, AI-generated wiki synthesis with inline citations, agentic chat for AI interaction scoped to user notes, and a visual spatial canvas to explore the relationships between ideas. Available across desktop, server, iOS, and browser extensions, Atomic helps users build an AI-augmented knowledge system that grows and organizes itself over time.

https://atomicapp.ai/

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