Free AI APIs for Developers - 17 Free AI tools

Leonardo AI

Create AI art, images, and videos with prompts

Content

Open

24,168

303

4.3

v1.4 released 7mo ago

Free + from $15.99

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Kyle Up

🛠️ 2 tools 🙏 364 karma

May 28, 2025

quick and the quality's nuts. tons of presets and styles to pick from, definitely one of those tools that makes you wanna keep testing more stuff.

8710 Reply Share Delete Report

Mubert

Generate AI soundtracks for your content instantly.

Music

Open

16,555

223

2.2

Released 5y ago

Free + from $11.69/mo

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visente ramos

🙏 1 karma

May 10, 2024

Hubert is no longer good.. Trust me...it's garbage

56 Reply Share Delete Report

Github Copilot

AI-powered coding assistant for faster development

Coding

Open

30,457

252

4.5

Released 4y ago

Free + from $10/mo

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15,367 github.com

Francisco Silverio

🙏 36 karma

Jun 2, 2023

A whole new way of learning how to code

271 Reply Share Delete Report

Everypixel Stock Image Search Engine

AI-powered stock image search engine

Stock image search engine

Open

8,713

72

Released 8y ago

100% Free

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Sienna Sparkle

🙏 54 karma

Mar 6, 2024

Uuu this'll make creating shorts much easier, thank you!

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Slazzer

Instant background removal in 5 seconds

Background removal

Open

7,781

47

v1 released 5y ago

Free + from $11.00/mo

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11 www.slazzer.com

Resemble.ai

Clone your voice with AI for realistic speech generation

Text to speech

Open

6,067

48

5.0

Released 6y ago

Free + from $29/mo

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OpenHome

Voice AI, everywhere: effortless integration for any device

Voice chatting

Open

4,062

44

3.2

Released 1y ago

100% Free

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Chris Gonzalez

🛠️ 1 tool 🙏 21 karma

Feb 28, 2025

Hi Parrot! Thanks for the feedback here, we will relay this to the team! Thanks for sharing your insights!

15 Reply Share Delete Report

AI Engine

Power your WordPress with AI tools and chatbots.

Content

Open

3,514

9

Released 2y ago

Free + from $59/mo

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Yesil Health

AI health assistant for personalized wellness guidance

Wellness

Open

2,005

19

Released 3y ago

Free + from $14/mo

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Nyckel

Lightning fast machine learning for developers

Data analysis

Open

1,158

3

Released 3y ago

Free + from $149/mo

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Codoki AI

AI-powered code reviews that accelerate pull requests and improve code quality

Code reviews

Open

1,132

25

4.7

Released 2mo ago

Free + from $12.50/mo

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J-D

🙏 22 karma

Sep 3, 2025

I signed up for early access and have been using codoki for a few months now, eventually brought it into my team as well. Great tool, simple to use, not overwhelming and has caught things in a way thats actually digestible

222 Reply Share Delete Report

Keploy

AI-powered API test case and mock generator

Test automation

Open

1,017

12

5.0

Released 4y ago

Free + from $19/mo

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Himanshu Mandhyan

🙏 7 karma

Dec 12, 2024

Keploy is a great tool for simplifying API testing. It makes it easy to generate test cases and mocks automatically, saving a lot of time and effort. The integration is smooth, and the features are really helpful for improving test coverage quickly.

61 Reply Share Delete Report

Lunary

Bring your AI app to production

Apps

Open

689

6

Released 1y ago

Free + from $20/mo

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Archistar

Maximize profit, minimize risks in property development.

Real estate

Open

1,093

11

5.0

Released 2y ago

Free + from $95/mo

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413 www.archistar.ai

Jack Sauer

🙏 6 karma

Dec 8, 2024

This app is amazing if you're a property developer or real estate looking towards the future of developing a site! Would highly recommend!! Very easy to navigate and the 3rd party data add on services are incredibly insightful.

2 Reply Share Delete Report