Killbill
An agent that finds every recurring charge, judges which ones you actually use, and hands you the cancellation emails ready to send. You keep 100% of what you s

What it does
Killbill received the Participation Prize award at JacHacks Spring in 2026. This record was imported automatically; the summary and source check are still pending.
Awards
- 2026JacHacks SpringParticipation PrizeFintech track - 2nd place
Source & verification
Source: Devpost
Verified: Aug 18, 2026
Original announcement ↗