Known for its efficacy as a sales funnel builder, ClickFunnels has transformed into a standard in the landscape of online marketing. Despite its reputation, many businesses and individuals are on the hunt for ClickFunnels alternatives for a range of reasons such as cost to functionality.

One famous alternative is HBA Funnel Builder. This tool offers the same essential functionality as ClickFunnels, HBA Funnel Builder shines by offering a flat fee pricing structure. Unlike ClickFunnels, which comes with different pricing tiers, HBA Funnel Builder provides a single, affordable plan, making it a preferred among new businesses and small businesses.

Another compelling ClickFunnels alternative is Systeme.io. Designed by veteran internet marketer Aurelian Amacker, Systeme.io boosts the traditional sales funnelling experience by integrating tools for email marketing, course hosting, and affiliate management. With a more holistic approach to sales and marketing, Systeme.io helps a strong case for businesses looking for a more well-rounded platform.

Coming to features, ClickFunnels gives a diverse range of functionalities. Its main features include landing pages, sales funnels, webinars, and membership sites. Moreover, it also has a highly-rated affiliate management tool, which is a major selling point. On the other hand, HBA Funnel Builder, while being a cheaper alternative, equals ClickFunnels' core offering. With a focus mainly on sales funnelling, it may lack in other peripheral features like affiliate management and webinars.

On the flip side, Systeme.io, while matching ClickFunnels' core offering, takes a leap ahead by providing functionalities like email marketing and online course hosting. It's these added features that make them a popular choice among businesses that need a more comprehensive platform for their online marketing efforts.

In conclusion, while ClickFunnels maintains a strong standing in the online marketing world due to its incomparable features, replacements like HBA Funnel Builder and Systeme.io are gaining popularity due to their unique propositions. The option between these platforms depends on your specific business needs and budget. Whether you're a clickfunnels alternative start-up looking for an affordable sales funnel builder or an established business in need of a full-featured marketing platform, there are options out there that can meet your needs adequately.