AI Writing

Kerlig

AI Writing App for Mac that saves hours on written communication at work.

Overview

Kerlig is an AI-powered writing assistant designed specifically for macOS, enabling users to write emails, Slack replies, Jira tickets, proofread, and chat with documents seamlessly. It integrates over 350 AI models including OpenAI, Anthropic, Google Gemini, and local Apple Foundation Models, providing personalized and customizable AI workflows directly within the Mac environment. With features like document attachments, reasoning models for deep research, and team deployment capabilities, Kerlig enhances productivity and communication efficiency for individuals and teams.

Updated Oct 15, 2026

5 things

What Kerlig has

Apps

macOS

For developers

A Model Context Protocol server that lets AI tools connect to and act on your data.

Support

Faster answers from the support team than customers get as standard.
Get help from the support team by writing to them via email. One of 5 AI Writing tools with email support.

Pricing

Try the paid product for a limited time before committing to a subscription. One of 4 AI Writing tools with a free trial.

5 features

Key Features

MCP connection
Connect Notion, Linear, Slack, GitHub, and thousands more.
Model switching
All models in one app. Switch between models with one click.
Document chat
Analyze, summarize, and chat with the most popular document types.
Message handling
Your messages are sent directly to AI providers, then stored and encrypted on your Mac.
Deep research
Use reasoning models for multi-step research leveraging online data.

Pros and cons

Pros

Wide support for numerous AI models providing flexibility and choice.
Native macOS app offering seamless integration and fast access via hotkeys.
Customizable AI actions and workflows tailored to user needs.
Supports document-based AI chat and analysis for richer context.
Team licenses and remote deployment options for organizational use.

Cons

Available only for macOS, limiting users on other platforms.
Requires users to provide API keys for some AI providers, which may be a barrier for non-technical users.
Pricing is a one-time purchase plus token usage, which may be confusing for some users.
No explicit free tier or trial mentioned, possibly limiting initial adoption.
Some advanced AI features may require familiarity with AI concepts and API management.

Developer features

AI provider connections
Connect with your preferred AI providers using API keys.

You?

Be the first to rate Kerlig

Your review helps others make better decisions. No account needed. Takes about 10 seconds.

Featured Video

See Kerlig at work before you try it.

Watch on YouTube

0 questions

Frequently Asked Questions

No reviews yet

Community reviews

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Community reviews

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Tried this tool? Share your experience.

Write a review

5 things

What Kerlig has

Apps

macOS

For developers

A Model Context Protocol server that lets AI tools connect to and act on your data.

Support

Faster answers from the support team than customers get as standard.
Get help from the support team by writing to them via email. One of 5 AI Writing tools with email support.

Pricing

Try the paid product for a limited time before committing to a subscription. One of 4 AI Writing tools with a free trial.

5 features

Key Features

MCP connection
Connect Notion, Linear, Slack, GitHub, and thousands more.
Model switching
All models in one app. Switch between models with one click.
Document chat
Analyze, summarize, and chat with the most popular document types.
Message handling
Your messages are sent directly to AI providers, then stored and encrypted on your Mac.
Deep research
Use reasoning models for multi-step research leveraging online data.

Pros and cons

Pros

Wide support for numerous AI models providing flexibility and choice.
Native macOS app offering seamless integration and fast access via hotkeys.
Customizable AI actions and workflows tailored to user needs.
Supports document-based AI chat and analysis for richer context.
Team licenses and remote deployment options for organizational use.

Cons

Available only for macOS, limiting users on other platforms.
Requires users to provide API keys for some AI providers, which may be a barrier for non-technical users.
Pricing is a one-time purchase plus token usage, which may be confusing for some users.
No explicit free tier or trial mentioned, possibly limiting initial adoption.
Some advanced AI features may require familiarity with AI concepts and API management.

Developer features

AI provider connections
Connect with your preferred AI providers using API keys.

You?

Be the first to rate Kerlig

Your review helps others make better decisions. No account needed. Takes about 10 seconds.

Featured Video

See Kerlig at work before you try it.

Watch on YouTube

0 questions

Kerlig

Overview

What Kerlig has

Apps

For developers

Support

Pricing

Key Features

MCP connection

Model switching

Document chat

Message handling

Deep research

Pros and cons

Pros

Cons

Developer features

AI provider connections

Be the first to rate Kerlig

Featured Video

Frequently Asked Questions

What Kerlig has

Apps

For developers

Support

Pricing

Key Features

MCP connection

Model switching

Document chat

Message handling

Deep research

Pros and cons

Pros

Cons

Developer features

AI provider connections

Be the first to rate Kerlig

Featured Video

Frequently Asked Questions

More in AI Writing

More in AI Writing