Get extensions and themes for the http://alternativeto.net/software/opera browser. Created by Opera Software Get extensions and themes for the Opera browser.
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Opera Add-ons
Alternatives
| # | Image | App Name | Features | Platforms | Price | Website Link |
| 1 |  |
Mozilla Add-ons |
Web Sunbird Thunderbird |
SeaMonkey Firefox |
Free | Website |
| 2 |  |
ChromeExtensions.org | Web Chrome |
Free | Website | |
| 3 |  |
Chrome Web Store |
Web Chrome |
Mac Windows Linux |
Free | Website |
| 4 |  |
Addoncrop | UC Browser
Chrome |
Mac Windows Vivaldi Browser Opera Chromium Firefox |
Free | Website |