An open-source columnar data format designed for fast & realtime analytic with big data.
- indexr
- columnar-storage
- olap
- datawarehouse
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An open-source columnar data format designed for fast & realtime analytic with big data.
Java SDK for CloudEvents
OpenDJ is an open-source LDAP directory server written in Java. It provides robust, scalable, and secure directory services for identity management, access control, and authentication in enterprise environments. OpenDJ supports LDAPv3 standard, replication, REST APIs, and high-performance
Java utilities: DeepEquals, Converter, LRUCache, CompactMap/Set, CaseInsensitiveMap, UniqueIdGenerator, FastReader/Writer, and more. Zero dependencies, JDK 8+
The JMeter Maven Plugin
Java cryptographic library that supports Argon2, bcrypt, scrypt and PBKDF2 aimed to protect passwords in databases. Easy to use by design, highly customizable, secure and portable. All the implementations follow the standards and have been reviewed to perform better in the JVM.
Canonical GTFS Validator project for schedule (static) files.
🎯 LogCaptor captures log entries for unit and integration testing purposes
Awesome list about everything related to J2ME. Documentation, academic papers, tutorials, communities, IDEs, SDKs, emulators, apps, video games.
Set of support modules for Java 8 datatypes (Optionals, date/time) and features (parameter names)
Useful library to use custom fonts in your android app
An extensible Java framework for building event-driven applications that break up XML and non-XML data into chunks for data integration
A fork of Cliff Click's High Scale Library. Improved with bug fixes and a real build system.
Android Library to make it easy to create an Code editor or IDE that support any languages and themes, with auto complete, auto indenting, snippets and more features
Toolkit for testing multi-threaded and asynchronous applications
JQuick Java: a lightweight Java-like scripting language for rule engines. Declare, parse and execute business rules at runtime via XML or inline scripts—no restart needed. Java 8+, embeddable, with LSP and IDEA plugin support.
Accumulo backed time series database
An open source, a high-performance hybrid integration platform that allows developers quick integration with any application, data, or system.
LittleHorse Server: Business-as-Code Platform for Microservices, Workflows, and Agents
Published on Maven Central Java Library that compares 2 images with the same sizes and shows the differences visually by drawing rectangles. Some parts of the image can be excluded from the comparison. Can be used for automation QA tests.
The Java pathfinder that ended the era of “good enough”
Detect uses of legacy Java APIs
A fast object pool for the JVM
A simple NoSQL client for Android. Meant as a document store using key/value pairs and some rudimentary querying. Useful for avoiding the hassle of SQL code.