Top 10 Free AI & Developer Tools You Must Try in 2025 (Including CityAI.io 🚀)

In 2025, developers and creators need the best tools to stay ahead. The good news? Many powerful platforms are free to use. From coding to design to AI content generation, these tools will help you work smarter, faster, and more creatively.

Here’s a list of the Top 10 Free Tools every developer and content creator should try — including CityAI.io, a fast-growing AI platform with 50+ powerful tools!

1. CityAI.io (50+ AI Tools in One Platform)

👉 All-in-one AI platform.

• AI text, image, and video generators.

• Tools for marketing, design, business, and coding.

• Free trial available.

  ✅ Perfect if you want everything in one place instead of using 10 different apps.

👉 Start for Free Here: Sign Up on CityAI.io 🚀

2. Visual Studio Code (VS Code)

👉 Free and powerful code editor.

• Extensions, debugging, and Git integration.

• Works for all programming languages.

3. GitHub

👉 The largest developer collaboration hub.

• Free private repositories.

• Automations with GitHub Actions.

4. Postman

👉 Best API testing tool.

• Free collections and automation.

• Essential for backend developers.

5. Figma

👉 Free design & prototyping tool.

• Real-time collaboration.

• Great for UI/UX teams.

6. Docker

👉 Free containerization platform.

• Makes deployment easier.

• Works across cloud & local environments.

7. Notion

👉 Organize projects, notes, and tasks.

• Free for individuals.

• Simple but powerful.

8. GitHub Copilot (Free for Students)

👉 AI coding assistant.

• Suggests code in real-time.

• Saves hours of debugging.

9. ChatGPT / Gemini

👉 Free AI assistants.

• Generate content, debug code, brainstorm.

• CityAI.io also offers similar AI writing tools.

10. Stack Overflow

👉 Community-driven Q&A site.

• Millions of answered questions.

• Free to learn and share knowledge.

🔥 Why CityAI.io Stands Out?

Most platforms focus on one job only. But with CityAI.io, you get:

✔ AI content writing

✔ AI video creation

✔ AI image generation

✔ Marketing tools

✔ Business productivity

All in one dashboard. That’s why developers, marketers, and creators are switching to CityAI.io. 🚀

👉 Try it now: CityAI.io