AImReply is a free AI-powered email writer that generates, rewrites, and refines emails using configurable language, tone, and length settings and offers a Chrome extension for in-browser integration.

YoursTruly is a service that prints and mails real handwritten postcards and cards in the U.S., offering design templates, photo uploads, scheduling/reminders, and an AI assistant to help write personal notes.

Rephrasy is a web-based AI humanizer that converts AI-generated text into natural, human-like writing in one click, targeting students and professionals and advertising the ability to bypass common AI/plagiarism detectors.

HumanizeAI is a web-based AI text humanizer that transforms AI-generated content into more natural, human-sounding writing using multiple styles, local in-browser processing, and fast results for writers, marketers, students, and professionals.

Humanize AI is a web-based text humanizer that transforms AI-generated content into natural, human-voiced writing while offering related tools like plagiarism checking, AI detection, grammar correction, paraphrasing, and SEO-optimized article assistance.

LanguageTool is an AI-based writing assistant and grammar checker that detects grammar, spelling, punctuation, style, and casing errors across 30+ languages and offers an AI paraphrasing tool, editor, browser add-ons, desktop apps, and integrations for business and personal use.

Sudowrite is an AI-powered writing assistant and creative suite built for fiction authors and novelists, offering tools to brainstorm, outline, write, edit, visualize, and get feedback to speed novel drafting and revision.

Moonbeam (gomoonbeam.com) is a web-based AI writing assistant focused on long-form content creation — essays, articles, blogs, guides and templates — powered by an AI called Luna and integrated GPT-4 features to help users draft, edit, and organize content faster.

LanguageTool is an AI-based writing assistant and grammar checker that detects grammar, spelling, punctuation, style, and casing errors across 30+ languages and offers an AI paraphrasing tool, editor, browser add-ons, desktop apps, and integrations for business and personal use.

WriteMail.ai is an AI-powered email writing tool that generates, replies to, and refines emails with customizable tone, style, and length to help professionals write faster and get more replies.

Type.ai is an AI-powered writing editor and workflow built for long-form creative storytelling—books, novels, screenplays, and other narrative work—combining a feature-rich document editor with deeply embedded AI assistance and publishing/export tools.

AI Letter Generator is a web-based tool that uses AI to create professional letters (cover letters, business letters, personal letters, thank-you notes, recommendations, and more) with multi-language support, professional formatting, and privacy-focused processing. Core features are offered for free with optional paid credits for a Text-to-Image function.

InstaText is an AI-powered writing assistant that improves clarity, flow, word choice, and readability to help users write like native speakers across multiple languages and platforms.

WordHero is an AI-powered writing platform that generates SEO-optimized blog posts, long-form content, and images using advanced models (GPT-4o / GPT-4o-mini) and built-in SEO tools for marketers, business owners, writers, and teams.

AImReply is a free AI-powered email writer that generates, rewrites, and refines emails using configurable language, tone, and length settings and offers a Chrome extension for in-browser integration.

Undetectable's AI Essay Writer is a web-based tool that generates complete, human-like essays in seconds using AI and 'humanization' technology to bypass AI-detection tools, with multilingual support and tiered pricing (including a free trial).