Best Open Source Alternatives to Orb

Compare the best free and open-source alternatives to Orb — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 4 alternatives

Orb

Proprietary SaaS

Orb alternatives compared

Open-source alternatives to Orb, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Flexprice	6,874	AGPL-3.0	Web	No	Nov 2026	Visit
OpenMeter	2,432	Apache-2.0	Web	No	Nov 2026	Visit
Meteroid	1,354	AGPL-3.0	DockerLinux	Yes	Oct 2026	Visit
BillaBear	761	—	DockerLinux	Yes	Sep 2026	Visit

Top open-source Orb alternatives

Flexprice6,874AGPL-3.0

Open-source usage-based billing engine replacing Stripe Billing with real-time metering, credit wallets, and self-hosted control.

Web

vs Orb: a free, open-source option you fully control, licensed AGPL-3.0.

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EasyP

Promoted

The modern standard for Protobuf workflows

Lint, codegen, breaking-change checks and dependency management in one Git-native CLI. Open source, no registry lock-in.

lintgeneratebreakingeasyp.lock

go · ts · java generated

$ easyp breaking

backward compatible

OpenMeter2,432Apache-2.0

OpenMeter replaces proprietary usage-based billing services like Stripe Billing with a real-time, ClickHouse-backed metering engine for APIs and AI.

Web

vs Orb: a free, open-source option you fully control, licensed Apache-2.0.

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Meteroid1,354AGPL-3.0

Meteroid is an open-source alternative to Stripe Billing and Orb, providing Rust-powered usage metering and hybrid subscription billing on your own hosts.

DockerLinux

vs Orb: a free, open-source option you fully control, licensed AGPL-3.0.

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BillaBear761

Self-hosted subscription management and billing system that decouples billing logic and tax rules from Stripe.

DockerLinux

vs Orb: a free, open-source option you fully control.

Visit Details