KrakenD might be a bit more popular than Azure Application Gateway. We know about 1 link to it since March 2021 and only 1 link to Azure Application Gateway. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
It should be easy and free to enable SSL/TSL certificates in Azure. This was the number one question on UserVoice feedback. Microsoft implemented this Built-In free certificate option for some services, like Azure CDN, Front Door, Application Gateway, etc. When you put one of those services in front of your web site (like what I did with this blog), you can enable an auto-renewable Built-In certificate for free. - Source: dev.to / about 3 years ago
I looked at MS APIM but found it hard to swallow the cost (I think we were looking at ~$20k annually) and spun up KrakenD on a container instead. The Community Edition does 99% of what we need and is much more cost effective. Give it a look. Source: over 1 year ago
nginx - A high performance free open source web server powering busiest sites on the Internet.
WSO2 API Manager - WSO2 API Manager is a 100% open source enterprise-class solution that supports API publishing, lifecycle management, application development, access control, rate limiting and analytics in one cleanly integrated system.
AWS Elastic Load Balancing - Amazon ELB automatically distributes incoming application traffic across multiple Amazon EC2 instances in the cloud.
Apigee - Intelligent and complete API platform
Google Cloud Load Balancing - Google Cloud Load Balancer enables users to scale their applications on Google Compute Engine.
Gravitee.io - Gravitee.io is a flexible, lightweight and an open source API management solution.