iAsk.AI is a free AI search engine that emphasizes an objective, fact-oriented search experience, attempts to reduce bias in results, and supports queries across multiple types of information content.

LanguageTool is a multilingual writing checker that corrects spelling, grammar, wording, and style issues, and provides AI-based sentence rewriting, supporting more than 30 languages and dialects.

WordfixerBot is a set of AI tools for writing and text processing, covering paraphrasing, summarization, grammar checking, text simplification, and content comparison, suitable for quickly organizing, optimizing, and proofreading drafts.

Linguix is an AI writing assistant for content creators and business professionals, offering real-time grammar checking, sentence rewriting, and writing optimization, and it can integrate with a variety of commonly used office tools.

Outwrite is an AI writing assistant that, in addition to grammar and spelling checks, also provides suggestions for word choice, phrases, and sentence structure to help improve the fluency, readability, and quality of expression of text.