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5 Best Open Source Orb Alternatives

A curated collection of the 5 best open source and self-hosted alternatives to Orb in 2026.

Looking for a free, privacy-friendly, or self-hosted replacement for Orb in 2026? The top open-source alternative is Lago — Open-source billing infrastructure for AI and tech businesses.

Other highly rated open-source Orb alternatives include Flexprice, Autumn and OpenMeter.

10,418

Open-source billing infrastructure for AI and tech businesses

Lago preview

Lago is the billing platform that gives teams full transparency, control, and flexibility to manage and scale any pricing model. Designed for AI-native and tech businesses, Lago provides real-time usage metering, hybrid pricing, and open-source or cloud deployment. - Usage Metering: Real-time metering for flexible pricing models. - Hybrid Pricing: Combine different pricing models (e.g., subscription, usage-based, hybrid). - Billing & Invoicing: Automate billing and invoicing without engineering bottlenecks. - Entitlements: Manage entitlements directly in billing for better control. - Cash Collection: Flexible cash collection for hybrid billing models. - Revenue Analytics: Trusted revenue analytics across every stream. - AI-Powered Billing Intelligence: Leverage AI for smarter billing decisions. - Embedded Billing: White-label billing for platforms and ecosystems. - Enterprise Integrations: Scalable integrations for complex billing needs. - Self-Hosted Deployment: Deploy Lago anywhere for full data control. Lago is open-source and can be self-hosted for full data control and compliance. It supports hybrid deployment models, allowing teams to start with cloud and transition to self-hosted as needed. The platform is built with scalability in mind, handling complex metering and billing for AI, IoT, fintech, and enterprise use cases.

4,453

Billing infrastructure for AI-native and SaaS teams

Flexprice preview

Flexprice is a unified monetization platform designed for AI-native and SaaS teams to operate usage-based, credit-based, and hybrid pricing models. It provides real-time metering and reporting that scales seamlessly as your product evolves. - Real-time Metering: Processes events in real time without pipeline downtime affecting billing accuracy. - Flexible Pricing Models: Supports usage-based, credit-based, and hybrid pricing without engineering tickets or blocked releases. - Finance-Friendly Reporting: Delivers usage reports directly to finance teams without manual intervention. - On-Premise Deployment: Offers self-hosted deployment options for data control and compliance. - SOC 2 Type II Compliant: Ensures enterprise-grade security and compliance standards. - Seamless Integrations: Connects with popular tools and platforms for streamlined workflows. - Scalable Infrastructure: Built to handle growth and evolving monetization needs. - Developer-First Approach: Provides SDKs and APIs for easy integration and customization. Flexprice supports both cloud and on-premise deployment options. The open-source version is available on GitHub, allowing teams to self-host and maintain full control over their billing infrastructure. The platform is designed to integrate seamlessly with existing tech stacks and workflows.

2,651

Drop-in billing for AI startups

Autumn preview

Autumn simplifies billing, ledgering, and entitlements for AI startups by moving pricing from code into configuration. This allows teams to change plans and sell custom contracts up to 10x faster, without rebuilding complex billing infrastructure. - Usage-Based Pricing: Track and bill customers based on actual usage with real-time synchronization. - Ledgering & Entitlements: Maintain accurate credit ledgers and enforce usage limits effortlessly. - Plan Management: Configure and modify pricing plans directly in the dashboard. - Webhook Support: Receive real-time updates on payments, usage, and subscription changes. - Custom Contracts: Sell tailored pricing plans to enterprise customers without engineering overhead. - Developer-Friendly: Integrate with a simple API and SDK for quick implementation. - Scalability: Built to handle millions of customers and transactions seamlessly. - Customer Stories: Trusted by top AI startups like Mintlify, Firecrawl, and T3 Chat. Autumn is a cloud-native SaaS platform with no self-hosting option. It is designed for ease of use, scalability, and reliability, making it ideal for AI startups that need to focus on product development rather than infrastructure management. - Tech Stack: Built with modern web technologies for high performance and reliability. - Hosting: Fully managed cloud infrastructure with enterprise-grade security and compliance. - Integration: Works seamlessly with existing payment gateways, databases, and third-party tools. - Pricing: Free tier available for startups, with scalable paid plans for growing businesses.

2,231

Open source usage-based billing and metering

OpenMeter preview

OpenMeter is a developer-first platform for building usage-based billing and metering into your products. Whether you need real-time event tracking, flexible pricing models, or seamless integration with payment providers, OpenMeter provides the tools to scale your billing infrastructure efficiently. - Real-time Metering: Track usage at millisecond precision with low-latency enforcement for quotas and limits - Flexible Pricing Models: Support for plans, credits, usage-based pricing, and commitments with a dynamic product catalog - Entitlements & Access Control: Manage customer access and feature flags directly through the platform - Multi-language SDKs: Node.js, Python, Go, and more for easy integration - CRM & Payment Integrations: Connect with Stripe, tax providers, and other business tools - Usage Insights: Identify expansion opportunities and revenue growth signals for sales teams - Self-Service Portal: Empower customers to monitor their usage and manage subscriptions - Scalable Architecture: Built for high-volume event processing with battle-tested streaming techniques OpenMeter is available as both a self-hosted open-source solution and a managed service on Kong's platform. The open-source version can be deployed on Kubernetes or other container orchestration systems. Documentation and quickstart guides are available for self-hosting scenarios. Tech Stack: Go, Kubernetes, Kafka, PostgreSQL Deployment Options: - Self-hosted (Docker, Kubernetes) - Managed service via Kong Konnect - Cloud-native architecture for high availability

1,223

Open-source billing & monetization platform

Meteroid preview

Meteroid is the open-source billing and monetization platform designed for SaaS, infrastructure, and AI companies. It simplifies complex usage-based billing, empowering teams to monetize features quickly, send accurate invoices, and turn usage data into revenue opportunities. - Flexible Billing: Support for subscriptions, metering, and complex pricing models with no engineering overhead. - Usage-Based Billing: Turn raw usage data into billable metrics with precision. - CPQ (Configure, Price, Quote): Empower sales teams to close custom deals without spreadsheets or manual work. - Real-Time Insights & Reporting: Track revenue growth opportunities and streamline financial operations. - Modern API-First Architecture: Integrate seamlessly into your stack with zero friction. - Built with Rust: High-performance, reliable billing infrastructure. - Self-Hosted Option: Full control over data with no vendor lock-in. Meteroid is open-source and can be self-hosted for complete data control. It supports modern deployment workflows and integrates with existing infrastructure via a robust API. The platform is designed for scalability, performance, and ease of integration, making it ideal for teams prioritizing data sovereignty and customization.

About Orb

Orb is a revenue design platform that helps modern software companies automate usage-based billing, streamline pricing strategy, and accelerate revenue growth. Built for teams that need scalable, reliable billing infrastructure aligned with ASC 606 compliance.

Key Features of Orb

  • Usage Metering: Track granular usage metrics for accurate billing
  • Pricing Strategy: Iterate and optimize pricing models with simulations
  • Spend Controls: Automate alerts and workflows for customer spend management
  • Experience Kit: Build custom pricing calculators, dashboards, and checkout flows
  • Invoicing: Send invoices directly to customers with automated workflows
  • Security & Compliance: Built for scale with ASC 606 alignment
  • Revenue Recognition: Automate financial reporting and compliance
  • Enterprise Readiness: Designed for large-scale deployments and complex contracts
  • AI Contract Ingest: Automate contract-to-cash workflows
  • Hybrid Pricing: Support for mixed pricing models (usage + seats + credits)

Tech / Self-Hosting

Orb is a fully managed SaaS platform with no self-hosting option. The service is designed for high availability, security, and compliance with enterprise-grade infrastructure. API-first architecture allows seamless integration with existing systems and custom workflows.