Java Payments

Open-source Java projects categorized as Payments

Top 7 Java Payment Projects

  1. killbill

    Open-Source Subscription Billing & Payments Platform

  2. Stream

    Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.

    Stream logo
  3. coti-node

    COTI is the first DAG based chain protocol that's optimized for Enterprises and Stable-coins.

  4. adyen-java-api-library

    Adyen API Library for Java

  5. adyen-java-spring-online-payments

    Accept payments on your Java Spring Boot based website with cards, wallets, and key local payment methods

  6. kafka-delayed-queue

    Delayed Queue implementation over Kafka

  7. PayHook

    The simplest payment processing Java library in the world. Unifies PayPal and Stripe into one API. Supports both regular payments and subscriptions, with NO need of handling json, requests, storage into a database yourself.

  8. AndroidSDK

    Rave's Android Drop In UI (by Flutterwave)

    Project mention: Supporting Offline Payments in Low-Connectivity Areas | dev.to | 2025-10-10

    The relevant Flutterwave mobile SDK integrated into your project (e.g., Android SDK, iOS SDK) ## Step-by-Step Implementation Guide

  9. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

Java Payments discussion

Java Payments related posts

  • Adyen for Java developers

    1 project | dev.to | 24 May 2023
  • Self hosted alternative of Stripe

    1 project | /r/selfhosted | 11 May 2023
  • Stripe is randomly blocking accounts

    1 project | news.ycombinator.com | 25 Nov 2022
  • Pay by Link for developers

    2 projects | dev.to | 21 Nov 2022
  • Hacktoberfest 2022 done

    7 projects | dev.to | 21 Oct 2022
  • Kill Bill – Open-Source Subscription Billing and Payments Platform

    1 project | /r/patient_hackernews | 19 Oct 2022
  • Kill Bill – Open-Source Subscription Billing and Payments Platform

    1 project | /r/hackernews | 19 Oct 2022
  • A note from our sponsor - InfluxDB
    www.influxdata.com | 22 Dec 2025
    InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more →

Index

What are some of the best open-source Payment projects in Java? This list will help you:

# Project Stars
1 killbill 5,257
2 coti-node 183
3 adyen-java-api-library 134
4 adyen-java-spring-online-payments 66
5 kafka-delayed-queue 39
6 PayHook 29
7 AndroidSDK 10

Sponsored
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video.
Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
getstream.io

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