I use WHMCS for one company but to be honest, I'm not a huge fan. I still use it for legacy reasons but use only the most basic features from it.
1. I've caught it multiple times not invoicing for recurring services. Support has never been able to tell me why.
2. There was a period of time a handful of years ago when new WHMCS vulnerabilities were dropping every few days. The type of vulnerabilities gave me very little confidence in the quality of the underlying code. I haven't seen any recently (that I can remember), but seeing SQL statements passed around as part of the URL always gave me the wrong vibes.
I think the product overall has improved, and I suspect they are tackling a ton of technical debt, but I'm surprised they haven't been toppled like they did to ModernBill.
1. I've caught it multiple times not invoicing for recurring services. Support has never been able to tell me why.
2. There was a period of time a handful of years ago when new WHMCS vulnerabilities were dropping every few days. The type of vulnerabilities gave me very little confidence in the quality of the underlying code. I haven't seen any recently (that I can remember), but seeing SQL statements passed around as part of the URL always gave me the wrong vibes.
I think the product overall has improved, and I suspect they are tackling a ton of technical debt, but I'm surprised they haven't been toppled like they did to ModernBill.