Free Deductive reasoning - 15 Free AI tools

Coolmindmaps

Create and search cool mind maps instantly.

Mind maps

Open

Sayuri Alvarado Tanamachi

🙏 20 karma

Sep 12, 2024

@Coolmindmaps

Is amazing but you can't edit the mind map

202 Reply Share Delete Report

Share

🇳🇿 New Zealand

Released 3y ago

100% Free

17,721

387

3.7

Product Lab

Lean AI Product Discovery

Startup ideas

Open

8,650 product-lab.ai

It has changed the way I do product discovery now

5719 Reply Share Delete Report

Share

Released 2y ago

Free + from $12/mo

24,238

215

4.0

Heuristica

AI-powered concept maps for visual learning and research.

Learning

Open

3,139 www.heuristi.ca

If you enjoy brain/thought mapping, you'll love this!

132 Reply Share Delete Report

Share

🇨🇭 Switzerland

Released 3y ago

Free + from $6.99/mo

11,688

114

5.0

Defog

ChatGPT for data, embedded in your app.

Database Q&A

Open

603 defog.ai

Share

🇸🇬 Singapore

Released 3y ago

No pricing

6,939

29

Logicballs

AI writer for high-quality content creation

Content

Open

1,762 logicballs.com

Share

🇺🇸 United States

Released 3y ago

Free + from $4.99/mo

6,664

38

3.6

Logically

Collect, Cite, Annotate Papers & Research With AI

Academic research

Open

Share

🇺🇸 United States

Released 3y ago

Free + from $3.99/mo

2,546

30

3.6

Thinkercan

AI Reasoning. Engine Precision. The Perfect Math Tutor.

Math problems

Open

6,243 thinkercan.com

Share

Released 1y ago

Free + from $15/mo

7,237

8

4.0

Arcanon

Historical philosophers debate your business dilemmas and deliver decision frameworks

Decision making

Open

The idea is cool, doesn't really live up to expectations though.

1 Reply Share Delete Report

Share

Released 3mo ago

Free + from $19.80/mo

948

6

4.0

5 Whys Radar

AI consultant uncovers root causes using 5 Whys Analysis.

Five whys

Open

Share

🇻🇳 Vietnam

Released 2y ago

100% Free

899

16

DG Diagram-Generator

One prompt creates stunning diagrams instantly.

Diagrams

Open

Share

Released 6mo ago

Free + from $9/mo

845

4

5.0

Cogent

AI-powered learning platform for efficient studying.

Studying

Open

1,284 joincogent.com

Marley Blenkinsop

🛠️ 3 tools 🙏 393 karma

May 29, 2025

@Cogent

Pretty good, I like the process. I did run into a couple questions that were worded weirdly or just had odd answer logic (it'll mark you wrong for the tiniest typo). Would be cool if it had a bit more wiggle room or a way to flag those. But still, definitely helpful.

41 Reply Share Delete Report

Share

Released 1y ago

Free + from $2.99/mo

1,960

15

2.5