Lago
98 · HealthyUsage metering and billing engine for subscriptions, usage-based plans, credits and invoicing.
Open source Billing & subscriptions
Polar
97 · HealthyBilling platform for software products, with subscriptions, usage billing, checkout and license keys.
Autumn
90 · HealthyPricing and billing layer on top of Stripe that handles plans, usage limits, credits and feature access.
OpenMeter
88 · HealthyReal-time usage metering for AI, API and infrastructure products, feeding usage-based billing.
Kill Bill
77 · StableSubscription billing and payments platform with product catalogs, invoicing, dunning and payment gateway plugins.
Flexprice
72 · StableUsage-based pricing and billing with real-time metering, credits and top-ups, and feature entitlements.
OpenMeter
Real-time usage metering for AI, API and infrastructure products, feeding usage-based billing.
Will it still be around?
Healthy
Score 88/100
Can a business use it freely?
Free to use
Apache-2.0 · open source (permissive)
Flat Rate Deploy
Orb doesn't publish prices, so this starts at a $40 a month bill, the smallest where switching saves money. OpenMeter on OpenTools costs $39 a month, setup included, so you save $1 a month, about $36 over three years. Enter your actual bill to see yours.
Monthly cost
- OpenMeter on OpenTools
- $39
- Orb
$40
You save each month
$1/mo
3% less than today
Saving from month one
You save
- Over 3 years
- $36
- In year one
- $12
List price checked 9 Oct 2026 · Source · Disclaimer
Health score: 88/100
Healthy · activity, bus factor and issue responsiveness, from GitHub
Score v2 · How it works
Activity
45% weight100/100
- Last commit yesterday (100/100).
- 1451 commits in the past 12 months (100/100).
- 11 releases in the past 12 months (100/100).
Bus factor
30% weight72/100
- Top contributor wrote 46% of the last 70 commits (past 12 months).
- 9 people authored those commits.
Responsiveness
25% weight85/100
- 84% of all issues are closed (19 open, 99 closed) (90/100).
- 19 of 23 recent issues got a reply or were closed (83/100).
License
Free to use
Apache-2.0 · Open source (permissive)
What you need to do
Use, change, host and sell it for any purpose, commercial included, with no license to buy. Keep the copyright notice.
Apache License 2.0 · Open source (permissive). OSI-approved license with few conditions beyond keeping the copyright notice.
Detected by GitHub as Apache-2.0.
GitHub activity
- Stars
- 2.4k
- Forks
- 224
- Commits, 12 mo
- 1.5k
- last yesterday
- Releases, 12 mo
- 11
- last 8 days ago
- Contributors
- 35
- 9 in last 70 commits
- Open issues
- 19
- 99 closed
Snapshot from 2026-10-09
Top contributors
Points for pull requests merged into OpenMeter and reviews of them since 26 August 2026 (older history is still loading). Building something another user asked for earns more.
