Alibaba Cloud Anti-DDoS
5.4#20 in ddos protection software$1,580 usage-basedWeb
VisitAlibaba Cloud Anti-DDoS suits organizations seeking cloud-based denial-of-service mitigation through a web service. It offers a free option and paid plans with stated bandwidth, QPS, domain and port allocations.
Haltdos suits teams seeking web application and API protection across on-premise, cloud, or hybrid environments. Community WAF is an option for a single website and security profile; the paid tiers list broader website limits and Enterprise security features.