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Top Rated AI Writing Assistant Software with Open source - Page 20

Last updated: October 2026

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644 software options

Eddyter logo

AI rich text editor that ships in 10 minutes, not weeks

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Embeddable AI writing assistant and rich text editor SDK built on Lexical. Adds AI text generation, grammar fixes, tone, translation, image generation and speech-to-text to React, Next.js, Vue, Angular, Svelte, Laravel and React Native apps. Managed AI or bring your own keys. From $12/mo.

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AI Text Checker logo

Free web-based AI detection & humanization tool

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Free, browser-based tool for students and content creators that detects AI-generated text and rewrites it into natural prose with no.

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InstaCopy logo

Cloud-based AI content creation for all team sizes

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InstaCopy is a cloud-based AI writing tool for marketers, writers, and enterprises that generates short- and long-form content across.

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PersonnaPress logo

AI content marketing software that learns your writing voice

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PersonnaPress analyzes your existing content to learn your writing style, then turns a rough idea into a full SEO blog post, X post, and LinkedIn post in under 90 seconds. Connects to WordPress, Webflow, X, LinkedIn, Facebook/instagram and GitHub. Try it free.

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MerciApp logo

Editor, spelling, grammar, and syntax checker

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MerciApp is a writing tool. The MerciApp extension integrates with web browsers, Microsoft Office, and Google Docs. It corrects the spelling, grammar, and syntax of the text entered in real-time. It also offers suggestions to improve the writing style.

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Rephrase logo

Cloud-based AI paraphrasing tool for all writers

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Cloud-based AI paraphrasing tool that rewrites text across multiple modes for students, content writers, marketers, and legal.

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JotPro logo

Cloud-based AI content generation for all businesses

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JotPro is a cloud-based AI content tool for individuals and businesses, offering text, image, and audio transcription across 35+.

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Arxygen AIWrite logo

Cloud-based AI content writing tool for WordPress

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Cloud-based AI writing, scheduling, and publishing tool that automates end-to-end content production for marketing teams.

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Friday AI logo

Cloud-based AI writing assistant for marketers

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Cloud-based AI writing assistant offering 40+ content templates and 20+ tones for marketers, bloggers, copywriters, and e-commerce.

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Logically logo

Cloud-based AI research workspace for academics

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Cloud-based AI research platform for students and academics combining reference management, PDF annotation, and literature discovery.

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CONTADU logo

Cloud-based content intelligence platform for SEO

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Cloud-based content intelligence platform for SEO teams, combining NLP analysis, keyword research, content scoring, and competitor.

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ApplyArc logo

AI job tracking and career coaching platform

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ApplyArc's AI writing tools generate cover letters, rewrite resume bullets, and tailor applications to match job descriptions. Paste a job posting and get keyword-optimized content instantly. 17 AI writing tools for job seekers. Free tier included. Pro at £19/mo.

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Revise logo

Cloud-based AI document editor with tracked changes

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Cloud-based AI document editor for individuals and teams, with tracked-changes review, real-time collaboration, and revision history.

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Jounce logo

Cloud-based AI marketing studio for teams & SMBs

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Cloud-based AI marketing studio for marketers, SMBs, and agencies, offering AI copywriting, image generation, and campaign planning.

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TurboSteed logo

Cloud-based static site & SPA hosting on AWS

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Cloud-based SaaS platform for hosting static websites and SPAs on AWS, with site templates, custom domains, and CI/CD integration.

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Macaw logo

Cloud-based AI article writer for content teams

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Cloud-based AI writing tool for content teams that automates blog drafting, editing, and publishing workflows.

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Ailaysa logo

Cloud-based multilingual AI platform for content teams

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Cloud-based AI SaaS platform for multilingual content creation, translation, and localization across 100+ languages for global teams.

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Humanize AI logo

Cloud-based AI text humanizer for writers & teams

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Humanize AI is a cloud-based text humanizer that rewrites AI-generated content into natural, human-sounding prose across 26 languages.

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AutoMate logo

Cloud-based AI listing optimizer for vacation rentals

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Cloud-based AI tool for vacation rental hosts and property managers that generates optimized Airbnb listings from property details.

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Jacquard logo

Cloud-based AI CRM messaging platform for enterprises

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Jacquard is a cloud-based AI platform for enterprise CRM teams that generates, predicts, and distributes brand-compliant multichannel.

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SoulSaga logo

Narrative journal that transforms life into story

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SoulSaga is a journaling app that turns personal reflections into literary prose. Using AI, it converts user entries into chapter-based narratives while preserving content and voice. It tracks themes, identifies patterns, and generates personalized questions from past entries. The app provides guided prompts, free-form writing options, and lets users export completed narratives as a book.

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TopCopilot logo

AI translation add-in for Office & WPS on Windows

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AI-powered translation add-in for Word, Excel, PowerPoint, and WPS on Windows, translating documents in place with terminology control.

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SMART Reply logo

Cloud-based Outlook add-in for inbox & CRM actions

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Microsoft 365 Outlook add-in that drafts replies, processes invoices, updates CRMs, and converts emails into actionable tasks.

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WriteByVoice logo

AI voice dictation Chrome extension for professionals

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Cloud-based Chrome extension delivering AI-powered voice dictation and speech-to-text input across 20,000+ websites for individuals.

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Velocity logo

Cloud-based AI prompt optimizer for knowledge workers

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Cloud-based Chrome extension that optimizes AI prompts via one-click LLM-driven enhancement, persistent history, and multi-platform.

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