Top 7 Java batch-processing Projects

Simple Java Mail

2 1,171 8.7 Java

Simple API, Complex Emails (Jakarta Mail smtp wrapper)
Hazelcast Jet

2 1,089 1.3 Java

Distributed Stream and Batch Processing
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
spring-cloud-dataflow

1 1,065 9.6 Java

A microservices-based Streaming and Batch data processing in Cloud Foundry and Kubernetes
easy-batch

0 600 0.0 Java

The simple, stupid batch framework for Java
batch-processing-gateway

1 166 5.6 Java

The gateway component to make Spark on K8s much easier for Spark users.
BatchPDFSign

1 42 1.7 Java

CLI Command line tool to digital signature of PDF files with PKCS12 certificate. You can find the executable in the releases.
ImageScaler

2 21 1.4 Java

Simple but powerful batch image rescaler.
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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).

Index

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

	Project	Stars
1	Simple Java Mail	1,171
2	Hazelcast Jet	1,089
3	spring-cloud-dataflow	1,065
4	easy-batch	600
5	batch-processing-gateway	166
6	BatchPDFSign	42
7	ImageScaler	21