Best AI IDEs & Coding Extensions in 2026 | Open-Source AI Tools & API Keys

AI IDE:

1. Antigravity

2. Windsurf/Devin

3. Kiro

4. Cursor

5. Open Code

Extension:

1. Qwen

2. Windsurf

3. Cline

4. Blackbox

5. Codex

6. Chat editor

7. Kilo code

8. Sixth

9. Continue

API:
1. Nividia NIM