Best Web Application Firewall Software in 2026
Updated
30 web application firewall software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
30ranked
0free plans on this page
CNY 21/molowest paid tier
5 Oct 2026last checked
0 of the 5 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 26 | Tencent Cloud CDNWeb | One bar | — | — | 1 of 6 | CNY 21/mo | 5.0 |
| 27 | Alibaba Cloud WAFWeb | One bar | — | — | 1 of 6 | $140/mo | 4.9 |
| 28 | DataDome API ProtectionWeb · Android · iPhone | One bar | — | — | 3 of 6 | — | 4.9 |
| 29 | Tencent Cloud WAFWeb | One bar | — | — | 1 of 6 | — | 4.9 |
| 30 | Sucuri Website FirewallWeb | No signal | — | — | 1 of 6 | — | 4.8 |
Compare all 5 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Deployment model | Managed rule sets |
|---|---|---|---|---|---|---|---|---|
| 26 | Tencent Cloud CDN | 5.0 | No | CNY 21/mo | No | — | cloud | Yes |
| 27 | Alibaba Cloud WAF | 4.9 | No | $140/mo | No | 140 /mo | hybrid | Yes |
| 28 | DataDome API Protection | 4.9 | No | — | No | 3,830 /mo | cloud | — |
| 29 | Tencent Cloud WAF | 4.9 | No | — | No | — | cloud | Yes |
| 30 | Sucuri Website Firewall | 4.8 | No | — | No | 9.99 /mo | edge | Yes |
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