Writing AI tools with API

Inkwell Plot is an AI-native screenplay editor tha...

Inkwell Plot is an AI-native screenplay editor that offers scene-aware editing, structured version control, and production workflows for screenwriters and teams. It enables targeted AI passes, line-by-line review, and export-ready screenplays with FDX, Fountain, and PDF support.

Grok Word is a Microsoft Word add-in that embeds a...

Grok Word is a Microsoft Word add-in that embeds an AI writing assistant in a docked panel to tighten and restructure text, convert notes into formatted headings/lists, normalize styles across Word, Excel and PowerPoint files, and apply edits with autosave.

BlogSEO is an AI blog generator that creates SEO-o...

BlogSEO is an AI blog generator that creates SEO-optimized articles in minutes and publishes them directly to your CMS. It also automates content strategy by analyzing your site, discovering high-ROI keywords, and inserting contextual internal links to boost rankings.

Romance Weaver is an AI romance novel generator th...

Romance Weaver is an AI romance novel generator that guides authors from outline to export-ready manuscript. Its specialized models handle scene writing, character consistency, and a five-pass editorial pipeline for publication-ready results.

Clico is a browser extension that brings AI writin...

Clico is a browser extension that brings AI writing assistance directly into any text field on your current webpage. It can summarize content, draft replies, and rewrite text using the visible page as context, all without leaving your tab.

AITextTune is a Windows AI writing assistant offer...

AITextTune is a Windows AI writing assistant offering system-wide, hotkey-triggered editing for grammar correction, clarity and style transformation, summarization, reader-level rewrites, and 25+ language translation, with custom styles, chat refinement and optional Gemini integration.

Ryter AI Humanizer converts AI-generated text into...

Ryter AI Humanizer converts AI-generated text into natural, human-style writing to reduce detection by tools like Turnitin, GPTZero and Originality.ai while preserving meaning. It provides fast automated rewriting, detector reports, API access and privacy options.

Essaytoneis a real-time local editor that humanize...

Essaytoneis a real-time local editor that humanizes AI-generated essays and research writing by converting robotic phrasing into natural academic prose while preserving citations, references, and document structure.It detects AI-patterns, offers tone controls (formal, persuasive, analytical, descriptive), supports English, French, German, Italian, and Spanish, and helps students, researchers, and educators reduce AI-like signals without full rewriting.

PopVid AI generates visuals and short cinematic cl...

PopVid AI generates visuals and short cinematic clips from prompts, adds custom twist endings, and converts images to video for visual-first roleplay stories. Creator tools, community publishing, and an API support interactive video workflows and integrations.

Scraib.app corrects grammar, tone, and style in an...

Scraib.app corrects grammar, tone, and style in any macOS app, rewriting selected text with a keyboard shortcut. Set global or per-app style rules and use preferred AI providers or a local runtime for consistent, in-context edits.

Avoid.so is an AI humanizer that transforms AI-gen...

Avoid.so is an AI humanizer that transforms AI-generated text into authentic human writing to bypass detection systems. It preserves the original message and tone across 50+ languages while ensuring data privacy.

ChatGPT Mac is a macOS-native AI writing assistant...

ChatGPT Mac is a macOS-native AI writing assistant that enhances productivity with voice-to-text capabilities, quick text editing, support for over 100 languages, and customizable commands, all while ensuring user privacy and easy accessibility through keyboard shortcuts.

TextGears is a grammar and spell checker with an A...

TextGears is a grammar and spell checker with an API for automated proofreading, readability scoring, and text analysis. It supports multiple languages and offers both cloud-based and self-hosted deployment for integration into various business workflows.

Accurate Text Humanizer transforms AI-generated te...

Accurate Text Humanizer transforms AI-generated text into human-like content, enhancing readability and engagement while bypassing AI detection. It preserves SEO value, making it useful for marketers, writers, and researchers in content creation.

Novel Vision AI is a versatile writing assistant t...

Novel Vision AI is a versatile writing assistant that streamlines story creation and visual generation. It supports multiple languages and genres, offers contextual writing suggestions, and includes export options for professional formats like PDF and LaTeX.

Uncheck AI evaluates text for AI signatures, then ...

Uncheck AI evaluates text for AI signatures, then rewrites it into human‑like, spam‑free prose that passes detectors such as GPTZero, Turnitin, Copyleaks, and ZeroGPT. It removes OpenAI watermarks, supports SEO‑friendly, multilingual content, and gives simultaneous detection scores.

Crazystory is an AI storytelling platform that gen...

Crazystory is an AI storytelling platform that generates personalized children's stories with unique characters and AI illustrations. Features include interactive choices, easy publishing options, and voice narration in various accents, enhancing the storytelling experience.

Sapling offers a language‑model API that delivers ...

Sapling offers a language‑model API that delivers real‑time grammar corrections in enterprise workspaces and messaging platforms. Developers embed it into editors, CRMs, and customer‑service tools with a simple SDK/API, while the platform supports private cloud, encryption, PII redaction, SSO, and self‑hosted deployment.

Snaprytr is an AI writing assistant that accelerat...

Snaprytr is an AI writing assistant that accelerates article creation, offering automatic content generation, editing support, and diverse output formats. It enhances productivity for bloggers, marketers, and students while facilitating collaboration through content sharing.

Haye is a macOS chat assistant that lets users que...

Haye is a macOS chat assistant that lets users query multiple large‑language models—GPT‑5, Claude 4.5, DeepSeek R1, Gemini 2.5 Pro—via text, images, PDFs, or local files, with a global Command + E trigger, web‑search support, and comparable answers.

WriteGo AI Research & Writing is an academic‑writi...

WriteGo AI Research & Writing is an academic‑writing platform that generates structured essays with MLA, APA, and Chicago citations, offers a citation generator, grammar checker, paraphraser, summarizer, multilingual translator, and scholar search to streamline research and drafting.

Integrito tracks edits in Google Docs, delivering ...

Integrito tracks edits in Google Docs, delivering activity reports with editing time, session lengths, and change order. It flags large insertions, sudden edits, or AI-like text, aiding educators in detecting cheating and verifying student authorship.

writeprint.ai customizes AI-generated content to r...

writeprint.ai customizes AI-generated content to reflect individual writing styles, enhancing engagement and brand alignment. It allows users to upload samples for tailored output and offers API access for streamlined automation within existing workflows.

NovelVision AI offers a dual‑platform suite for wr...

NovelVision AI offers a dual‑platform suite for writers and visual creators, combining a rich text editor with AI plot suggestions, an image prompt generator, natural‑language video editing, audio generation, local BYOK privacy, and export to PDF/TXT, images, and videos.

LTX Studio is an AI‑powered web platform that conv...

LTX Studio is an AI‑powered web platform that converts text prompts into videos, images, or script‑to‑video outputs, offers camera keyframing, storyboard creation, AI‑generated assets, and collaborative editing—all within a single desktop‑browser workspace.

AI Text Humanizer turns machine‑generated prose in...

AI Text Humanizer turns machine‑generated prose into natural, human‑readable text, removes repetitive patterns, offers readability scores, and supplies API and web interface with counters. It supports multiple languages, protects data, and assists students, writers, marketers, and corporate teams.

Cmd-C.app is a macOS tool that offers real-time gr...

Cmd-C.app is a macOS tool that offers real-time grammar, punctuation, and style corrections via a keyboard shortcut. It integrates with various platforms and provides detailed reviews and explanations for improved writing accuracy and productivity.

AI Humanizer transforms AI‑generated text into nat...

AI Humanizer transforms AI‑generated text into natural, human‑like prose, using NLP to restructure sentences and replace repetitive patterns while preserving meaning. It supports eight languages and processes up to 5,000 words per use, aiding writers, marketers, and professionals.

Undetectable Humanizer generates human‑like text t...

Undetectable Humanizer generates human‑like text that evades AI detectors using GPT‑4, Gemini, and Claude. It offers readability scoring, workbooks, brand voice control, custom prompts, word‑limit flexibility, outlines, and team collaboration.

Wizzygen is an AI assistant that integrates with N...

Wizzygen is an AI assistant that integrates with Notion. It reads, summarizes, drafts, and edits page content using a Google API key. Users select chat modes to quickly generate or modify entries, streamlining writing and project management tasks.