Business Software for ProsperStack

Klaviyo is an all-in-one platform that makes it easy for B2C businesses grow by integrating marketing, analytics, and customer service in one solution. Powered by unified data and built-in AI, it's faster and easier than ever to create personalized, lasting customer relationships. Klaviyo unifies your customer profiles by capturing every event, and then lets you orchestrate your email marketing, SMS marketing, push notifications, WhatsApp, and RCS campaigns in one place. Klaviyo AI helps you build audiences, write copy, and optimize — so you can always send the right message at the right time, automatically. With real-time attribution and insights, you'll be able to make smarter, faster decisions that drive ROI. Trusted by more than 170,000 businesses, Klaviyo can grow your business while keeping operations simple and customer relationships strong.

The new standard in online payments. Stripe is the best software platform for running an internet business. We handle billions of dollars every year for forward-thinking businesses around the world. Stripe builds the most powerful and flexible tools for internet commerce. Whether you’re creating a subscription service, an on-demand marketplace, an e-commerce store, or a crowdfunding platform, Stripe’s meticulously designed APIs and unmatched functionality help you create the best possible product for your users. Millions of the world’s most innovative technology companies are scaling faster and more efficiently by building their businesses on Stripe. We believe that payments is a problem rooted in code, not finance. We obsessively seek out elegant, composable abstractions that enable robust, scalable, flexible integrations. Because we eliminate needless complexity and extraneous details, you can get up and running with Stripe in just a couple of minutes.

Slack is a cloud-based project collaboration and team interaction software solution specially designed to seamlessly facilitate communication across organizations. Featuring powerful tools and services integrated into a single platform, Slack provides private channels to promote interaction within smaller teams, direct channels to help send messages directly to colleagues, and public channels that enables members across organizations to start conversations. Available on Mac, Windows, Android, and iOS apps, Slack offers a plethora of features that include chat, file sharing, collaborative workspace, real-time notifications, two-way audio and video, screen sharing, document imaging, activity tracking and logging, and more.

Connect your apps and automate workflows. Easy automation for busy people. Zapier moves info between your web apps automatically, so you can focus on your most important work. Link your web apps with a few clicks, so they can share data. Pass info between your apps with workflows called Zaps. Build processes faster and get more done—no code required. Discover how Zapier makes automation accessible to everyone. Stick with the tools that work for you. Zapier connects more web apps than anyone, and we add new options every week. We integrate with apps such as Facebook Lead Ads, Slack, Quickbooks, Google Sheets, Google Docs, & many more! Our editor was made for do-it-yourself automation. Set up Zaps without developer help. Use Zapier’s built-in apps to create powerful workflows without using separate services. More than 3 million people rely on Zapier to take care of their tedious tasks. Zapier Agents allow businesses to automate real-world tasks by creating custom AI-powered teammates.

Chargebee is a recurring billing and subscription management tool that helps SaaS and SaaS-like businesses streamline Revenue Operations. Chargebee integrates with the leading payment gateways like Stripe, Braintree, PayPal etc. around the world to let you automate recurring payment collection along with invoicing, taxes, accounting, email notifications, SaaS Metrics and customer management. Chargebee handles all your crucial workflows from lead to ledger with power-packed integrations that include Salesforce, Xero, Quickbooks, Avalara, Slack, among others. Deflect cancellations at scale straight from Chargebee with a best-of-breed solution, Chargebee Retention, that provides personalized experiences that get results. Run experiments based on customer and subscription attributes taken straight from Chargebee to ensure you provide a personalized and relevant cancel experience.

OpenPay is a done-for-you growth platform designed for SaaS businesses, offering subscription management, optimization, and analytics in one seamless solution. With automated features like smart payment routing, AI-driven retention tools, and real-time insights, OpenPay helps businesses cut costs, increase revenue, and maximize growth potential. By intelligently routing payments across multiple processors, OpenPay not only reduces fees but also eliminates single vendor risk—ensuring no processor can disrupt your cash flow. Built by a team with extensive SaaS experience, OpenPay eliminates the need for multiple platforms and reduces costs, ensuring businesses keep more of their earnings while growing faster.

Maxio empowers growing B2B SaaS leaders to monetize their business and uncover critical financial insights in an unpredictable market. Natural growth isn’t a straight shot; it ebbs and flows along with the market. Wherever you are on your growth journey, Maxio gives you the tools to navigate your business through every inflection point. You need a system that can support your monetization model (no matter how simple or complex) without sacrificing the agility required to meet changing market demands. With Maxio, you’re always striking the right balance. Don’t let your systems hinder your ability to go to market. Maxio sits at the heart of your tech stack, automating the manual tasks that exist between your CRM, GL, and reporting tools. To navigate through an ever-changing market, you need insights today—not two weeks from now. Maxio gives you the ability to answer your toughest business questions quickly and accurately.