Tampermonkey | Alternative !exclusive!

| Feature | Tampermonkey | Violentmonkey | Greasemonkey | Safari Native | | :--- | :--- | :--- | :--- | :--- | | | Closed Source | Open Source | Open Source | Proprietary | | Telemetry | Yes (Analytics) | No | No | No | | Browsers | All (Chrome, FF, Edge, Safari, Opera) | Chrome, FF, Edge | Firefox Only | Safari Only | | API Support | Gold Standard | Excellent | Good (New API) | Basic | | Cloud Sync | Yes (Pro/Tampercloud) | Yes (Google/Dropbox/WebDAV) | No | Yes (iCloud Drive) | | Performance | Medium | Medium-Light | Light | Native (Best) | | User Base | 10M+ | 1M+ | <200k | N/A |

Users seeking alternatives generally fall into three categories: tampermonkey alternative

Firemonkey attempts to combine userscript management with userstyle (CSS) management. | Feature | Tampermonkey | Violentmonkey | Greasemonkey

Violentmonkey is widely regarded as the top alternative to Tampermonkey. It is open-source, fast, and maintains high compatibility with scripts found on sites like Greasy Fork . Opera) | Chrome