The CRM built for Polar.sh creators
Polar powers the monetization side of open source and creator businesses. Sambandh gives you the CRM on top — every sponsor, supporter, and customer in one place.
Free plan forever, no credit card · Pro — 14-day trial, cancel anytime
Why Sambandh is the right CRM for Polar
Every Polar supporter, in one CRM
Sync subscribers, donors, and one-time sponsors into Sambandh automatically.
Open-source-friendly
Perfect for maintainers who monetize via Polar and want to thank sponsors, send product updates, or track top supporters.
Pair with GitHub webhooks
Trigger Sambandh campaigns when someone sponsors, stars, or opens an issue — not just when they pay.
How Sambandh connects to Polar
Connect Polar
OAuth in seconds.
Backfill + webhook
Historical supporters + real-time webhook updates.
Thank, segment, campaign
Run campaigns on your real supporter list.
Polar-native features
First-class support for the things that actually matter to Polar.sh creators and open-source maintainers.
- Polar subscriber sync
- Sponsor pipelines
- GitHub pairing
Why generic CRMs fail Polar.sh creators and open-source maintainers
- Polar isn't on HubSpot's integration list.
- Enterprise CRMs don't model 'sponsor' or 'donor' as first-class.
Frequently asked questions
Not on Polar?
Sambandh is the CRM for whatever powers your business.
Ready to connect Polar?
Free plan, no credit card. Pro trial is 14 days, cancel anytime.
Connect Polar — Free