1. Payment Processing
   If your sales funnel ends in a purchase, having built-in payment processing systems is vital. Sales funnel software that supports payment gateways allows businesses to process payments directly through the funnel.

2. Affiliate/Partner Management
   Some funnel software includes features for affiliate or partner management. This is useful for businesses that rely on affiliate marketing to help drive traffic and sales. Features could include tracking affiliate sales, providing links, and managing commissions.

3. Upselling and Cross-selling Features
   A strong sales funnel should not only focus on converting leads but also on maximizing the value of each customer. Funnel software often includes upsell and cross-sell functionalities, which enable businesses to offer additional products or services at the right moment in the sales process.

Popular Sales Funnel Software

Now, let's dive deeper into some of the most popular sales funnel tools available in the market. Each offers different functionalities and specializations, so choosing the right one depends on the specific needs of your business.

1. ClickFunnels

ClickFunnels is arguably the most popular sales funnel software on the market. It’s well-known for its ease of use and ability to help users build complete sales funnels without needing technical expertise.

Key Features:

• Pre-built funnel templates for various industries.
• Drag-and-drop editor for building landing pages.
• Integration with email marketing tools and payment gateways.
• Actionetics (email marketing automation).
• A/B testing.
• Affiliate management with Backpack.

Why Choose ClickFunnels? ClickFunnels is great for marketers who want an all-in-one solution to create sales funnels without dealing with technical aspects like coding or complex integrations. It's a go-to for those who prioritize simplicity and quick deployment.

2. Leadpages

Leadpages is known for its simplicity and powerful lead capture tools. It’s an excellent option for businesses that want to create high-converting landing pages but don’t need the full suite of funnel-building tools.

Key Features:

• Easy-to-use landing page builder.
• A/B testing for landing page optimization.
• Lead capture forms with integrated email marketing options.
• Pre-designed templates for lead magnets, sales, and webinar pages.
• Integrations with CRMs, email marketing software, and payment processors.

Why Choose Leadpages? Leadpages is ideal for businesses looking for a straightforward, cost-effective tool to create landing pages that convert, particularly for lead generation. It’s less comprehensive than some competitors like ClickFunnels but perfect for businesses that need simplicity and speed.

3. Kartra

Kartra is a powerful all-in-one marketing platform that combines sales funnels with email marketing, membership sites, and more. It’s perfect for businesses that want a unified platform that integrates all aspects of their digital marketing efforts.

Key Features:

• Funnel builder with drag-and-drop functionality.
• Email marketing automation and sequences.
• Membership site creation tools.
• Analytics and performance tracking.
• Integrations with payment processors and third-party tools.

Why Choose Kartra? Kartra is excellent for businesses that want an all-in-one solution. It goes beyond just funnel building and includes tools for email marketing, course creation, and more. It’s particularly suited for entrepreneurs and small businesses that need a variety of digital marketing tools without using multiple Sales Funnels software platforms.

4. Builderall

Builderall is another all-in-one tool designed to help businesses with sales funnels, email marketing, landing pages, and more. Its versatility makes it a good choice for companies that want to centralize their marketing efforts.

Key Features:

• Funnel builder and landing page creator.
• Email marketing automation tools.
• Social media automation and analytics.
• Built-in e-commerce tools for product sales.
• Webinar hosting functionality.

Why Choose Builderall? Builderall offers a lot of functionality at a competitive price point, making it a strong option for businesses with a tight budget but still need a comprehensive solution. It’s also great for businesses that require a mix of tools (funnel building, email marketing, social media, etc.).