Free AI websites that don’t require a subscription includes:

1. Grammarly (Free Version)

• Purpose: Writing assistance.

• Free Features: Grammar and spelling checks, basic writing style suggestions.

• Website: grammarly.com

2. QuillBot (Free Version)

• Purpose: Paraphrasing and summarization.

• Free Features: Limited paraphrasing and summarizing functionality, basic grammar checks.

• Website: quillbot.com

3. Notion (Free Version)

• Purpose: Note-taking and organization.

• Free Features: Unlimited pages and blocks for personal use, collaboration with a limited number of team members.

• Website: notion.so

4. Wolfram Alpha (Free Version)

• Purpose: Computational engine.

• Free Features: Solve math problems, access to general knowledge and factual answers, basic queries.

• Website: wolframalpha.com

5. Khan Academy (Completely Free)

• Purpose: Learning platform.

• Free Features: Full access to all video lessons, exercises, and personalized learning paths across subjects.

• Website: khanacademy.org

6. Cite This For Me (Free Version)

• Purpose: Citation tool.

• Free Features: Generate citations in MLA, APA, and Chicago formats for free (limited citations per session).

• Website: citethisforme.com

7. Otter.ai (Free Version)

• Purpose: Transcription.

• Free Features: 600 minutes of transcription per month, real-time transcription of meetings and lectures.

• Website: otter.ai

8. DeepL Translator (Free Version)

• Purpose: Translation.

• Free Features: Translates texts up to 5000 characters per translation, with access to a variety of languages.

• Website: deepl.com

9. Socratic by Google (Free)

• Purpose: Homework help.

• Free Features: Scan homework problems and get step-by-step solutions, access a variety of subjects.

• Website: socratic.org

10. ChatGPT (Free Version)

• Purpose: General AI assistant.

• Free Features: Answering questions, helping with assignments, brainstorming ideas, and offering explanations across subjects.

• Website: chat.openai.com

11. Google Scholar (Free)

• Purpose: Research and academic papers.

• Free Features: Access to scholarly articles, theses, books, and conference papers across various fields.

• Website: scholar.google.com

These tools offer free versions with no hidden costs, and they can help you with everything from writing and research to learning and organizing.