Repository Index

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

• parallelism
• parallel-streams
• stream-api
• hacktoberfest

A loading animation based on Floating Action Button

Create your Java crypto trading bot in minutes. Our Spring boot starter takes care of exchange connections, accounts, orders, trades, and positions so you can focus on building your strategies.

• trading-bot
• trading-strategies
• trading
• bot

Shell for issuing SQL to relational databases via JDBC

API Gateway bridging modern and legacy APIs with WSDL-to-OpenAPI, SOAP-to-REST, XML, OAuth2, and GraphQL.

• oauth2
• api-gateway
• api
• rest

TranslatedUniversal, flexible, high-performance distributed ID generator.

• distributed
• id
• idgenerator
• snowflake

Classic point and click adventure game engine and editor

🔐 Tutorial of setting up Security for your API with one way authentication with TLS/SSL and mutual authentication for a java based web server and a client with both Spring Boot. Different clients are provided such as Apache HttpClient, OkHttp, Spring RestTemplate, Spring WebFlux WebClient Jetty and Netty, the old and the new JDK HttpClient, the old and the new Jersey Client, Google HttpClient, Unirest, Retrofit, Feign, Methanol, vertx, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel, http4k, Kohttp and ktor. Also other server examples are available such as jersey with grizzly. Also gRPC, WebSocket and ElasticSearch examples are included

• tls
• truststore
• certificate
• keystore

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

• microservices
• reactive-streams
• distributed-systems
• service-mesh

Tools for working with generic types

The simple, stupid batch framework for Java

• java
• batch-processing
• batch

JPF is an extensible software analysis framework for Java bytecode. jpf-core is the basis for all JPF projects; you always need to install it. It contains the basic VM and model checking infrastructure, and can be used to check for concurrency defects like deadlocks, and unhandled exceptions like NullPointerExceptions and AssertionErrors.

An RxJava transformer which combines replay(1), publish(), and refCount() operators.

A scientific charting library focused on performance optimised real-time data visualisation at 25 Hz update rates for data sets with a few 10 thousand up to 5 million data points.

• chart-fx
• java
• charting-libraries
• javafx

A complete and open application for automatic backing tracks generation.

• music
• music-library
• music-generation
• music-composition

Reference implementation of a Chinese social-insurance / e-government backend: 5 Spring MVC + MyBatis modules, 358 HTTP endpoints, Oracle multi-schema, Axis SOAP.

• axis
• e-government
• govtech
• java

A fully asynchronous, non-blocking, thread-safe, high-performance HBase client.

Allows the easy creation of animated transition effects when the state of Android UI has changed

Slack Developer Kit (including Bolt for Java) for any JVM language

• java
• slack
• slack-api
• slack-bot

Glide Bitmap Pool is a memory management library for reusing the bitmap memory

• glide
• bitmap
• bitmap-memory
• bitmap-pool

Event Sourcing and CQRS in practice.

• event-sourcing
• cqrs
• ddd
• domain-driven-design

A distributed system designed to ingest and process time series data

AndroidKickstartR helps you to quickly create a well configured Android application using the most popular libraries. It creates and configures your project for you. Just focus on code!

An Android demo of a foldable layout implementation. Engineered by Vincent Brison.