AI text improver

Plus AI for Google Slides

Writing · Multi-model (undisclosed)

8.2

AI presentation generator that lives inside Google Slides and PowerPoint rather than forcing a new editor.

Apple Intelligence

Writing · Apple Foundation Models + Private Cloud Compute; optional ChatGPT

8.1

Apple's on-device AI layer baked into iOS, iPadOS, macOS, and visionOS with a rebuilt Siri, writing tools, and image generation.

NoteGen

Writing · Multi-model (Qwen3-8B, BAAI/bge-m3, GLM-4.1V-9B-Thinking, BYO keys)

7.2

Open-source local-first note-taking app that uses AI to turn raw clippings into structured Markdown.

DeepL Write

Writing · DeepL proprietary LLM

7.1

AI writing assistant from the team behind DeepL Translator, tuned for fluent rewrites across 19 languages.

QuillBot

Writing · Undisclosed (proprietary)

7.1

AI paraphrasing and grammar suite that grew into an all-in-one writing toolkit.

Compose AI

Writing

7.0

Chrome extension that adds Gmail-style AI autocomplete to virtually any text field in the browser.

HyperWrite

Writing · Multi-model (undisclosed)

7.0

Browser-based AI writing assistant with autocomplete, persona-matching, and integrated research citations.

MindsHub Cowork

Agents · Multi-model

7.0

Unified workspace for open-source AI agents that turn tasks into shareable documents, dashboards, and apps.

Agent Skills

Agents · Model-agnostic

6.9

Open format for packaging procedural knowledge and workflows that AI coding agents load on demand.

Merlin AI

Writing · Multi-model (GPT-4o, Claude 3.7, Gemini 2.5, Llama 3.1, Mistral, Deepseek)

6.9

Browser-based multi-model AI assistant that puts GPT-4, Claude, and Gemini one keystroke away on any webpage.

PaletteBrain

Writing · OpenAI (BYO key); Azure OpenAI supported

6.9

macOS keyboard launcher that pipes selected text in any app to ChatGPT via your own OpenAI key.

Zuvu AI

Agents · Multi-model (OpenAI GPT via web or user API key)

6.9

Chrome sidebar that drops ChatGPT-style answers next to Google, Bing, and DuckDuckGo results.

DocGPT AI Writer for Docs

Writing · Multi-model (GPT, Claude, Gemini)

6.8

Google Docs sidebar add-on that drops GPT-class drafting, rewriting, and summarization straight into your document.

Plus AI for Google Slides

Writing

6.8

Native Google Slides add-on that drafts, edits, and rebrands decks from a prompt or uploaded doc.

Wordtune

Writing · AI21 Labs (Jurassic-family) + multi-model

6.8

AI rewriting and paraphrasing assistant from AI21 Labs that polishes tone, summarizes long content, and drafts in your voice.

WritingMate.ai

Writing · Multi-model (GPT-4, GPT-3.5, Claude)

6.7

Browser-side AI copilot that drops GPT-4 and Claude into Gmail, LinkedIn, and any web text field.

Chat2DB

Coding · Model-agnostic: OpenAI GPT-4o, Anthropic Claude, Google Gemini, DeepSeek, Qwen, and self-hosted Ollama/vLLM endpoints

AI-native SQL client and Text-to-SQL copilot for 30+ databases

GG Translator

Writing · OpenAI API (specific model undisclosed)

Turns aggressive gaming chat into constructive callouts in real time

Hunyuan Video

Video · HunyuanVideo (in-house, ~13B-parameter diffusion transformer with causal 3D VAE and MLLM text encoder)

Tencent's open-source, 13B-parameter text-to-video foundation model.

Landing Page Grader

Writing · In-house client-side heuristic (no LLM disclosed)

Free client-side grader that flags AI-sounding headlines, subheads, and CTAs.