Local AI Writing, Grammar and Email Assistants

AFFiNE is a local-first knowledge workspace for individuals and teams who want documents and visual planning in the same place. It combines a block editor, an edgeless whiteboard and databases, making it an alternative to Notion and Miro for team wikis, project plans and connected notes.

SiYuan is a local-first, self-hosted knowledge workspace for people who want linked notes, research material and AI writing tools in one place. Its block references let you connect individual passages rather than whole documents, with bidirectional links to follow those connections. It's open source under AGPL-3.0.

ScribeDog is a Markdown editor for writers and note-takers who want AI assistance while keeping their documents on their own hardware. It displays formatted text, tables and images instead of Markdown syntax, but saves ordinary .md files that work with Git and other editors. It has a native desktop app and a self-hosted Server Edition available through Docker.

Amical is a free, open-source AI dictation app that formats spoken text for the app you're using. It's for people who want voice input for email, chat, coding prompts and everyday writing, with a choice between local processing and cloud models. It runs on macOS and Windows, with mobile apps for iOS and Android.

ChatGPTBox is a free, open-source browser extension for people who want AI help with the pages they read, search results and selected text. It works in Chrome, Edge, Firefox and Safari, with mobile support too. You can connect it to Ollama or a self-hosted model through its custom model mode, or use cloud services such as ChatGPT, Claude, Moonshot and Azure.

Raycast Ollama brings Ollama models into Raycast on macOS and Windows, for people who want AI chat and text assistance within their desktop launcher. It connects to Ollama on your own machine or a remote server you choose. The extension is open source under the MIT license, and local inference doesn't require an Ollama API key.

STORM is an MIT-licensed, open-source research tool from Stanford OVAL that turns a topic into a Wikipedia-style report with citations. You can run its Python software on your own machine or host it on a server; Stanford also offers a hosted research preview. It's aimed at people gathering background material and writers preparing an article draft.

Zero is an open-source, self-hosted AI email app for people who want control over their inbox software while keeping accounts with providers such as Gmail and Outlook.

Kerlig is a paid AI writing assistant for Mac that works with text in the apps you already use. It's aimed at people writing client emails, Slack replies and Jira tickets who want help editing and drafting without moving everything into a browser chat. It runs on Apple Silicon and Intel Macs with macOS 12 or later.

Writeopia is a writing and note-taking app for people who want AI assistance while keeping their documents on their own computer. It runs on Windows, Linux and macOS, with offline access to locally stored notes and a choice of AI models that run on your device. It's aimed at writers, developers and researchers working on drafts, documentation or personal notes.

Hillnote is a writing and planning workspace for people who want their notes on their own disk, with AI available inside the editor. It runs on Mac, Windows, iOS and Android. The editor, workspace and local AI work offline, and getting started doesn't require an account.

Mikupad is a browser-based LLM frontend packaged as a single HTML file, for writers and people who want control over generated text. It connects to a model backend of your choice and supports both direct text continuation and chat with instruct models. It's open source under AGPL-3.0.

MindMac is a native macOS AI chat client for people who want to use local LLMs and cloud services in the same app. Its inline mode lets you ask questions or generate text inside Notes, Mail and browsers without switching to a chat window. It runs on Intel and Apple Silicon Macs with macOS 13 or newer.

NativeMind brings a local AI assistant into Chrome for people who want help with webpages, documents, and writing without sending that content to a cloud model. The browser extension connects to Ollama on your machine, keeping prompts and AI processing on-device. It requires no account and uses the AGPL-3.0 open-source license.

Private LLM runs AI chat entirely on your iPhone, iPad, or Mac. It's an app for people who want to use language models without sending their conversations to a cloud service. After the first model download, it works offline and requires no account. Conversations stay on-device, with no tracking or logs.

IntelliBar is an AI assistant for Mac that brings local models and cloud services into one desktop app. It's for people who want to write, proofread, or ask questions without switching between separate chat apps. Ollama support lets you run models locally and keep prompts away from remote providers.

Brave Leo is an AI assistant built into the Brave browser, with Bring Your Own Model support for people who want to use their own local or remote models while browsing. It can work with third-party APIs as well as Brave's hosted model choices. The browser runs on macOS, Windows, Linux, Android, and iOS.

Joplin Jarvis is an AI assistant for people who keep their writing, research, or personal knowledge in Joplin on desktop and mobile. It connects conversations to your existing notes and supports local LLMs through Ollama alongside cloud services such as GPT, Claude, Gemini, and Hugging Face.

Witsy is an AGPL-3.0 desktop AI assistant for macOS, Windows and Linux that connects MCP tools to local and cloud models. It's for people who want document chat, writing help and voice features in one app, with a choice of where their models run.

LocalWriter brings local LLM writing assistance into LibreOffice Writer for people who want to draft and revise text inside their documents. It runs on macOS, Windows and Linux and connects to a separate model runner, including Ollama and text-generation-webui. With a backend on your own machine, text processing stays local.

Text Generator is an MIT-licensed Obsidian plugin for generating ideas, titles, summaries, outlines and paragraphs using your notes as context. It supports local models as well as OpenAI, Anthropic, Google and Hugging Face.

Obsidian Local GPT brings AI writing assistance into Obsidian, with local Ollama models for private, offline use or connections to OpenAI-compatible services. It's for people who want help with their notes while keeping control over where the AI runs. The plugin is open source under the MIT license.

BoltAI is a native Mac app for people who want local LLMs and cloud AI services in the same workspace. It runs on Intel and Apple Silicon Macs and suits coding, writing, research and document analysis. The interface uses SwiftUI and AppKit.

GPTLocalhost connects Microsoft Word to your choice of local or cloud language models. It keeps the AI interface inside Word rather than requiring a separate chat app. The provider directs teamwork use to its separate LocPilot for Word product.

ThunderAI brings AI writing and email processing into Thunderbird for people who want help with their inbox while choosing where their messages go. It can use local models through Ollama or an OpenAI-compatible server such as LM Studio. Cloud connections send the selected content to ChatGPT, the OpenAI API, Google Gemini or Claude instead.

Superwhisper is an AI dictation app for macOS, Windows, iOS and Android that turns speech into text in the app you're using. It's for people who prefer speaking to typing, including developers dictating requests to coding assistants. Speech recognition can run locally and offline, or use cloud models for remote processing.

KoboldCpp pairs local model inference with a browser interface built for chat, creative writing and roleplay. A fork of llama.cpp, it bundles KoboldAI Lite with tools for keeping character details and story context alongside your conversations. It's open source under AGPL-3.0.

Inbox Zero is an AI email assistant you can self-host with Docker or use as a hosted service. It's for people handling busy Gmail, Google Workspace, or Microsoft Outlook inboxes who want help sorting mail and preparing replies. It works alongside your existing email client.

Nextcloud Assistant brings AI into Nextcloud Hub's documents, email, chat and calendar. It's for teams that want help with shared work while choosing where AI processing happens. With an on-premises model, data stays on your server. The app is open source under AGPL-3.0.

Obsidian Copilot brings AI agents into your vault to find notes by meaning, edit drafts and organize research. It's for writers, researchers and other Obsidian users who want AI to work directly with their existing notes. Agents create Markdown files, wikilinks and canvases that remain in your vault.

gptel brings LLM conversations into the Emacs buffers where you already write and work. It's for Emacs users who want AI help alongside their text or code, with a choice of local model servers and cloud providers. The client is open source under GPL-3.0.

AppFlowy is a self-hosted Notion alternative for teams that want project management, shared documents, and AI in an environment they control. Its self-hosted enterprise offering can run on premises, in your own cloud, or in an air-gapped environment. Self-hosted LLMs and embedding models let you keep AI processing and workspace data inside your infrastructure, with no vendor access to your instance.

Vyact is an open source desktop workspace for people who want to use a local LLM with their documents, email and code. It runs on Apple Silicon Macs, Windows and Linux x64 under the AGPL-3.0 license. Intel Macs aren't supported.