Free Knowledge expansion - Top Rated AI Tools

AI Toolbox for innovators

Supercharge innovation with AI-powered tools

Idea testing

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Released 2y ago

100% Free

9,159

619

5.0

Un monde mystérieux 2

Unlock cosmic wisdom with AI.

Fantasy images

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Released 7mo ago

100% Free

Wisio

AI-powered writing assistant for scientists.

Academic writing

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🇧🇷 Brazil

Released 2y ago

Free + from $9/mo

5,512

94

5.0

Elephas

ChatGPT for your entire knowledge base.

Writing

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🇮🇳 India

Released 3y ago

Free + from $4.99/mo

5,271

33

5.0

Insightmonk

Find answers to your deep tech questions

Tech insights

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🇮🇳 India

Released 3y ago

100% Free

8,180

39

5.0

Epsilon

Answer research questions with AI-powered literature search.

Academic research

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It made my life so easy! It used to take me days sometimes to find the right information, tediously reading through papers to find the relevant data. Epsilon automated the entire process for me. Now, I find the relevant information in just a couple searches

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🇺🇸 United States

Released 2y ago

Free + from $4.08/mo

6,885

124

4.7

AskThee

Ask daily questions to great minds and feed your curiosity.

Chatting with celebrities

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Released 2y ago

100% Free

10,580

53

4.5

AI Cam Lens

Instantly identify anything with your camera.

Reverse image search

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Released 1y ago

Free + from $4.99/yr

6,386

147

4.5

PeopleAI

Chat with history's most influential figures.

Chatting with historical figures

Open

Didn't work for what I needed it for, unfortunately

104 Reply Share Delete Report

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🇬🇧 United Kingdom

Released 2y ago

Free + from $25/mo

15,208

71

4.5

KeywordSearch v2.1

Discover and target YouTube audiences.

YouTube keyword research

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Aleric Heck

🛠️ 3 tools 🙏 235 karma

Mar 8, 2025

@KeywordSearch

KeywordSearch creates AI Ad Targeting audiences for YouTube

6922 Reply Share Delete Report

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Released 1y ago

Free + from $97/mo

14,114

903

4.4

WiseMap

Map your vision, amplify ideas with AI.

Mind maps

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511 wisemap.ai

It's a nice app. You get one free mind map to test the feature out and if you like it, you can proceed to buying a subscription.

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Released 1y ago

Free + from $5/mo

1,542

28

4.2

Nodeland

Transform notes into interactive mind maps using AI

Mind maps

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Released 1y ago

Free + from $5/mo

978

32

4.0

Monument

AI-powered historical storytelling in bite-sized narratives.

Summaries

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Released 11mo ago

100% Free

Coolmindmaps

Create and search cool mind maps instantly.

Mind maps

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Sayuri Alvarado Tanamachi

🙏 14 karma

Sep 12, 2024

@Coolmindmaps

Is amazing but you can't edit the mind map

142 Reply Share Delete Report

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🇳🇿 New Zealand

Released 2y ago

100% Free

17,120

384

3.7

Abook.ai

Your go-to book summary website and app.

Book summaries

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Released 2mo ago

Free + from $9.99/mo

606

3

3.5

Mediquiz

AI-powered medical quizzes to test and expand knowledge.

Medical quizzes

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Released 1y ago

100% Free

Summarist

AI-powered book summaries in seconds

Book summaries

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Alexandru Bostina

🛠️ 2 tools 🙏 7,207 karma

May 5, 2025

@Summarist

It seems to be working fine right now. Maybe try again and double check if you’re using the book’s original or most recognized title. That might make a difference.

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🇺🇸 United States

Released 2y ago

100% Free

34,256

890

2.7