thingsboard / thingsboard

All-in-one IoT Platform - Device management, data collection, processing and visualization.

questdb / questdb

QuestDB is a high performance, open-source, time-series database

languagetool-org / languagetool

Style and Grammar Checker for 25+ Languages

apache / fesod

Fast. Easy. Done. Processing spreadsheets without worrying about large files causing OOM.

stanfordnlp / CoreNLP

CoreNLP: A Java suite of core NLP tools for tokenization, sentence segmentation, NER, parsing, coreference, sentiment analysis, etc.

hazelcast / hazelcast

Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

MarginaliaSearch / MarginaliaSearch

Internet search engine for text-oriented websites. Indexing the small, old and weird web.

elastic / logstash

Logstash - transport and process your logs, events, or other data

apache / beam

Apache Beam is a unified programming model for Batch and Streaming data processing.

apache / hudi

Upserts, Deletes And Incremental Processing on Big Data.

Netflix / maestro

Maestro: Netflix’s Workflow Orchestrator

jobrunr / jobrunr

An extremely easy way to perform background processing in Java. Backed by persistent storage. Open and free for commercial use.

spring-projects / spring-batch

Spring Batch is a framework for writing batch applications using Java and Spring

apache / sedona

A cluster computing framework for processing large-scale geospatial data

apache / opennlp

Apache OpenNLP

siddhi-io / siddhi

Stream Processing and Complex Event Processing Engine

qupath / qupath

QuPath - Open-source bioimage analysis for research

apache / incubator-xtable

Apache XTable (incubating) is a cross-table converter for lakehouse table formats that facilitates interoperability across data processing systems and query engines.

bbottema / simple-java-mail

Simple API, Complex Emails (Jakarta Mail smtp wrapper)

lessthanoptimal / BoofCV

Fast computer vision library for SFM, calibration, fiducials, tracking, image processing, and more.

sksamuel / scrimage

JVM - Java, Kotlin, Scala image processing library

pentaho / mondrian

Mondrian is an Online Analytical Processing (OLAP) server that enables business users to analyze large quantities of data in real-time.

eszdman / PhotonCamera

Android Camera that uses Enhanced image processing

spring-cloud / spring-cloud-stream

Framework for building Event-Driven Microservices

retrooper / packetevents

PacketEvents is a protocol library tailored to Minecraft Java Edition, designed to facilitate the processing and transmission of packets.

LegacyLands / legacy-lands-library

Enterprise-grade modular framework for Minecraft server development with multi-tier caching, Redis Streams, resilient data processing, and modern Java concurrency. Built on Fairy Framework for production-scale plugin development.

apache / streampipes

Apache StreamPipes - A self-service (Industrial) IoT toolbox to enable non-technical users to connect, analyze and explore IoT data streams.

Esri / geometry-api-java

The Esri Geometry API for Java enables developers to write custom applications for analysis of spatial data. This API is used in the Esri GIS Tools for Hadoop and other 3rd-party data processing solutions.

entropy-cloud / nop-entropy

Nop Platform 2.0 is a next-generation low-code development platform built from scratch based on the principles of reversible computation, adopting a language-oriented programming paradigm. It includes a suite of fully designed engines such as a GraphQL engine, ORM engine, workflow engine, reporting engine, rule engine, and batch processing engine,

pivovarit / parallel-collectors

Parallel Collectors is a toolkit easing parallel collection processing in Java using Stream API.

imgly / pesdk-android-demo

PhotoEditor SDK: A fully customizable photo editor for your app.

scalecube / scalecube-services

Microservices library - scalecube-services is a high throughput, low latency reactive microservices library built to scale. It features: API-Gateways, service-discovery, service-load-balancing, the architecture supports plug-and-play service communication modules and features. built to provide performance and low-latency real-time stream-processing

biojava / biojava

:book::microscope::coffee: BioJava is an open-source project dedicated to providing a Java library for processing biological data.

ExtractPDF4J / ExtractPDF4J

Java PDF table extraction & OCR library. Extract structured tables from text-based and scanned PDFs using stream, lattice (OpenCV-style grid detection), and hybrid parsing.

processing / processing4

Source code for Processing, the software sketchbook and Java-based programming language for students, artists, designers, educators, hobbyists, and creative coders. Includes the core library, and editor (PDE)

opencast / opencast

The free and open source solution for automated video capture and distribution at scale.