SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.
- data-integration
- high-performance
- offline
- real-time
Repository Index
47,133 repositories indexed
25–48 of 181 · Most stars
:chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on.
- metrics
- java
- metrics-library
- dropwizard-metrics
An AI-powered next-generation open source real-time observability system.
High-quality QR Code generator library in Java, TypeScript/JavaScript, Python, Rust, C++, C.
- qr-code
- qr-generator
- c-plus-plus
- java
Apache KIE (Knowledge Is Everything) is the home of Drools, OptaPlanner, jBPM, and Kogito.
- rule-engine
- java
- dmn
- hacktoberfest
A comprehensive Domain-Driven Design example with problem space strategic analysis and various tactical patterns.
- domain-driven-design
- ddd
- ddd-architecture
- c4
Open-Source Subscription Billing & Payments Platform
- killbill
- billing
- payments
- subscriptions
An implementation of tap targets from the Material Design guidelines for feature discovery.
- material
- feature-discovery
- android
- material-design
Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more. In 1 source file so apps can include as source & avoid adding a dependency. Written in Java, usable from Groovy, Kotlin, Scala, etc.
- java
- commandline
- parser
- ansi-colors
No-root network monitor, firewall and PCAP dumper for Android
MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.
- mock-server
- proxy
- java-client
- javascript-client
Cyberduck is a libre FTP, SFTP, WebDAV, Amazon S3, Backblaze B2, Microsoft Azure & OneDrive and OpenStack Swift file transfer client for Mac and Windows.
cglib - Byte Code Generation Library is high level API to generate and transform Java byte code. It is used by AOP, testing, data access frameworks to generate dynamic proxy objects and intercept field access.
Android virtual machine and deobfuscator
- deobfuscation
- java
- optimization
- android
A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
- cross-language
- fast
- jit
- multiple-language
OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.
- pdf-generation
- java
- itext
A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead
- java
- static-analysis
- android
- nullability
Code as configuration. Annotate a Java entity with @Erupt and ship a production-grade admin backend in minutes — UI, RBAC, audit logs and APIs, all generated at runtime. No codegen, no frontend.
- annotation
- erupt
- low-code
- mdd
Source-agnostic distributed change data capture system
Bastillion gives you a clean, browser-based way to manage SSH access across all your systems—like a bastion host with a friendly dashboard.
- ssh
- bastion-host
- java
- javascript
Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.
- java
- jvm
- eclipse-openj9
- compiler
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
A process for collecting metrics using JMX MBeans for Prometheus consumption
- jmx
- prometheus
- mbean
- java-agent
Model-rocketry aerodynamics and trajectory simulation software
- aerospace
- flight-simulator
- java
- modeling