Compare Lark to these popular alternatives based on real-world usage and developer feedback.

Automate billing processes, manage subscriptions and gain insights with UniBee's open-source billing and payment management software.
Create professional invoices in minutes. Perfect for remote developers, freelance contractors, and digital nomads. Export to PDF instantly and get paid faster.

A set of billing and subscription tools for developers and business people. Developers can use out-of-the-box functionality to get started quickly or use the composable API building blocks to design fully customized subscription logic and pricing models. Business people can create and manage subscriptions and invoices—and view detailed financial reports.

Chargebee is a subscription billing platform that lets you bill, manage and understand your SaaS or subscription based eCommerce business easily.

Spark is a Laravel package that provides scaffolding for all of the stuff you don't want to code. Subscription billing? We got that. Invoices? No problem.

It provides free subscription metrics to help you identify opportunities and then tools to help you reduce churn, optimize pricing, and grow your subscription business end-to-end.

Adapt, innovate and thrive with more value from every transaction flowing through your business. You deserve more than plain old payments. Our super-connected technology makes them seamless and so much more. Get faster, more reliable transactions. Higher conversions. Unbeatable insight and flexibility. So you can delight your customers and unlock new revenue streams.

It is the shopify subscription solution for online businesses. It makes it easy to transform one-time products into subscription options. It was built with the goal of making payments easy for customers. This was primarily by looking for ways for customers to reorder products

It has helped thousands of businesses in Indonesia with a secure and convenient online payment system. It is compatible with various APIs and plug-ins for an easy integration process.

It is a drop-in metered billing system that gives you the flexibility to bill how you want. It enables software companies to offer usage-based billing. It helps companies meter customer usage, price according to flexible plans, and bill customers through payment gateways.

Qonversion allows fast in-app subscription implementation. It provides the back-end infrastructure to validate user receipts and manage cross-platform user access to paid content on your app, so you do not need to build your own server.

It is a tool that lets you define and manage your SaaS application's pricing model following best PriceOps practices. It helps you to define a single source of pricing truth that can be safely and easily updated, with a simple JSON definition optimized for SaaS use cases. This keeps everything aligned as you find the best product-market fit.

It is a connector between your Stripe and Xero accounts. It runs in the background, automatically importing your Stripe sales, refunds and fees into Xero.

It is one of the leading online invoice software in the market. The cloud based invoicing and billing software has catered to more than 3.5 million users around the globe since the past 16+ years. The software can be customized according to individual business need and works for Enterprises, Small Businesses and Freelancers.

It is an open-source platform to invoice, track payments, expenses, and time billable tasks for clients. Less time working, more time living. Create. Send. Get Paid.

Servicebot is the Stripe Billing UI toolkit to scale your subscription business. Provide your customers with beautiful Pricing Pages, Signup Forms, and Subscription Management Portals.

It is simplifying cross-border payouts for online marketplaces, share economy, crowdsourcing, affiliate platforms, app stores, and crowdfunding platforms. Make payouts to your independent contractors, affiliates and suppliers anywhere in the world in 150+ currencies through our payouts-as-a-service platform. We offer a powerful API or you can use batch files through our dashboard portal. Recipients have the choice of how they want to receive their funds and in which currency: direct to their own bank account, credit card, prepaid card, cash pick-up, check, paypal + other options.

It is a SaaS platform empowering subscriptions app. It helps companies build and grow their mobile revenues by streamlining In-App Purchase integration.

It is intuitive to use. Use the individual invoice template in your billing program and send your online invoice directly to your customer.

Easily integrate subscriptions to your iOS app. View key metrics and send events to mobile analytics. Get cancellation insights and increase app revenue.

It is a payment switch software that facilitates communication between multiple payment providers to process payments in the most efficient way possible.

It is a complete online invoice software platform for small business invoicing, billing, reports and more to help you grow. It supports a variety of gateways that accept online payments to serve clients from all parts of the world. Select your favorite payment method and start billing.

Rev.io's back office and telecom billing software allows you to focus your energy on innovation and growth. It delivers a usage-based billing platform and a powerful customer management system to scale with your growing business.

QuoteMachine - Online sales documents that get you paid

It is a non-custodial crypto payment gateway that lets you accept payments in 100+ cryptocurrencies, with auto coin conversion available.

It is the ultimate Software as a Service starter kit built with Laravel. It has been rewritten and open-sourced. This project will allow you to create your own Software as a Service in record time.

WHMDC (WHMDeskCloud) is a self-hosted hosting automation and billing platform. It includes operational intelligence features such as revenue visibility, support performance monitoring, and infrastructure awareness directly within the core platform. Built in the UK, WHMDC focuses on automation, integrations, and a modern client and admin experience without per-client licensing fees.

It is the drop-in cancellation flow that prevents churn, automatically. Use targeted offers to save customers and capture feedback to make informed product, pricing and remarketing decisions.

Pay and get paid faster with better service and lower costs. Send global mass payments by API, send quick direct-to-bank payouts online, & get paid via local bank transfers from U.S. clients.

Offer usage-based billing to your customers without the work. It makes it easy for you to bill your customers based on what they use without a ton of work.

It is a pricing and billing engine that enables SaaS companies to deploy, monitor, and experiment with custom subscriptions and complex models like usage-based pricing.

Upscribe helps fast-growing eCommerce brands get repeat, loyal customers at scale. We help you move beyond “managing” subscriptions and “dealing” with customers to engaging and delighting them.

API first invoicing service that allows developers to quickly integrate invoicing into their stack. Comes with multi-tenant support and a UI for managing data.

It is an open-source software for metering and usage-based billing. It's the best alternative to Chargebee, Recurly, or Stripe Billing for companies that need to handle complex billing logic.

It helps Shopify merchants to sell subscriptions without ripping their hair out. One of the game-changing features is group subscription discounts. The best way to think of this is like Spotify/Sprint family, but for subscriptions. Customers are happy when they get consistently lower pricing (vs. 1-time store credits) and merchants are happy when customers bring in friends at no cost.

It is a fast and convenient solution for effortlessly creating Invoices and Receipts.

It is an open-source web & mobile app that helps you track expenses, payments & create professional invoices & estimates.

AI Copilot answers your AWS cost questions instantly. Get automated cost tracking, budget alerts, and AI-powered optimization insights. Perfect for growing companies who need intelligent cost visibility without enterprise complexity.

SaaS software which handles orders, customers and billing. AI agents which do CRM and order hnadling

WorkAid Dunning is a Stripe-native tool designed to help subscription businesses track, analyse, and recover failed payments that would otherwise become involuntary churn. Failed payments are a common but often overlooked source of lost revenue in SaaS. Cards expire, banks decline charges, and payment details change, yet many businesses lack clear visibility into what happens after a failure. WorkAid Dunning connects directly to Stripe and provides real-time tracking of payment failures, automated recovery email workflows, and analytics dashboards that measure recovery performance. The platform focuses on making involuntary churn measurable by showing how many payments fail, how many are recovered, and which recovery steps are most effective. Key capabilities include: • Real-time Stripe payment event tracking • Automated dunning email workflows • Recovery rate analytics and reporting • Support for Stripe Connect platforms • No billing migration required • Exportable data for further analysis WorkAid Dunning is designed for SaaS founders and subscription businesses who want a simple, transparent way to understand and recover failed payments without migrating their billing infrastructure.

The financial stack for freelancers and small teams. Proposals, time tracking, expense management, invoicing, and payments — all in one place. Your clients get billed. You get paid. It's that easy.

Move money across borders via stablecoin rails. One API, multiple rails — SEPA, SWIFT, Faster Payments, stablecoin. Same-day settlement in 40+ corridors. Capture FX margin on every transaction.

Compare and run the best AI models in one workspace. Switch providers instantly, generate text, images, or video, and pay with unified credits.

Paygent is an API-first platform for tracking AI agent costs and enabling usage-based billing. It provides SDKs and integrations to capture real-time usage across LLMs, APIs, and agent workflow, without impacting performance. Developers can connect execution data to pricing and billing systems, making it easier to understand unit economics and build profitable AI products. Designed for integration, Paygent fits directly into existing stacks and supports modern AI architectures.
Ship your SaaS in days with the BoltStack Saas engine. A high-performance Next.js boilerplate merging 80+ Shadcn UI blocks with a battle-tested full-stack architecture. Inside: -Advanced Auth & DB: NextAuth.js + Drizzle (Postgres). -Payments: PayPal subscriptions + Billing UI. -CMS: Sanity.io Blog + Advanced MDX Docs. -Email: Resend/Mailchimp + React templates. -Stack: Upstash Redis, GA4 SEO, & Framer Motion. Stop configuring. BoltStack handles the "boring stuff" so you can build.

The operating system for wedding photographers. Manage inquiries, contracts, invoicing, and gallery delivery from one place. From inquiry to gallery — one system.

NadiFin is a next-generation crypto payment gateway that enables businesses to accept cryptocurrency payments globally with no KYC requirements and instant USDC settlements. Traditional payment processors are slow, expensive, and restrictive — especially for high-risk industries. NadiFin eliminates these barriers by offering a permissionless, borderless, and efficient payment infrastructure powered by blockchain. With NadiFin, customers can pay using popular cryptocurrencies like BTC, ETH, SOL, USDT, and more, while merchants receive funds instantly auto-swapped into USDC. This removes volatility risk and ensures stable, predictable revenue. Key capabilities of NadiFin: No KYC onboarding — start accepting payments without friction Instant USDC settlements — eliminate volatility and delays Auto-swap system — customers pay in crypto, you receive stablecoin Zero chargebacks — fully irreversible blockchain payments Flat 1% fee — no hidden charges or intermediaries Developer-first APIs — integrate quickly across platforms Merchant dashboard — track transactions and manage payments Global payments — accept funds from anywhere, anytime NadiFin is especially valuable for businesses that struggle with traditional payment processors, including high-risk industries such as gaming, fintech, digital services, and subscription platforms. With seamless checkout experiences, multi-platform integrations (Shopify, WooCommerce, APIs), and direct wallet settlements, NadiFin provides a fast, secure, and scalable way to accept crypto payments. If you're looking for a truly borderless and frictionless payment solution, NadiFin is built for you.

Generates invoices from your Stripe payments and emails them directly to your customers. Same invoices, zero invoicing fees.

Workbass saas is easy to use CRM software that is designed for B2B. It include everything you need to run your businesses. like manage customers, projects, invoices, estimates, timelogs, con

Crypoverse is a cutting-edge crypto payment gateway integration platform designed to help online businesses, eCommerce stores, SaaS platforms, and digital enterprises seamlessly accept cryptocurrency payments.