Free Solid principles - 8 Free AI tools

Stable Diffusion

Unleash humanity's potential with generative AI

Images

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28,454

173

4.0

v3.5 released 1y ago

Free + from $20.00/mo

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14,640 stability.ai

Harsh Nether

🙏 14 karma

Aug 5, 2025

Diffusion pulls out extremely good images from simple prompts. Renders were a little slow on higher quality, but totally worth it for the results. The controls feel clear enough and the outputs look legit. Good one here!

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ThinkDiffusion

Use the most powerful Stable Diffusion UI in under 90 seconds.

Stable Diffusion

Open

5,701

110

3.8

Released 2y ago

Free + from $19.99/mo

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Ben Rare

Nov 20, 2023

Super weird seeing a some of these negative responses. I've been using Think Diffusion for months and been in their discord pretty much everyday but have never seen a single complaint about pricing or them raising prices. Something is fishy about these comments - probably some toxic competitor with fake accounts.

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Seaml.es

Podcasts, scholarships, literature reviews - study and work faster with AI

Literature reviews

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37,150

74

4.4

v2.0.1 released 5mo ago

Free + from $5.99/mo

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33,065 seaml.es

Shivaprasad Ramarao

🙏 7 karma

Dec 28, 2024

its paid only tool

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Pillar

All-in-one platform for creators to sell and close deals.

Content

Open

1,240

7

Released 2y ago

Free + from $29/mo

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Solvely

Solve any subject with AI-powered photo analysis

Homework

Open

2,787

9

5.0

Released 1y ago

Free + from $12.99/mo

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1,904 solvely.ai

Umer Colville

🙏 23 karma

Aug 1, 2025

Such a nice tool. I uploaded a few integrals that had me completely stuck and it solved them INSTANTLY, with step by step super clear explanations. Great tool if you’re struggling with math

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