Showing 74 open source projects for "rules engine java"

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  • 1
    Java Client for Google Maps Services

    Java Client for Google Maps Services

    Java client library for Google Maps API Web Services

    This library brings the Google Maps API Web Services to your server-side Java application. Each Google Maps Web Service request requires an API key. API keys are generated in the 'Credentials' page of the 'APIs & Services' tab of Google Cloud console. The Java Client for Google Maps Services is designed for use in both server and Android applications. In either case, it is important to add API key restrictions to improve the security of your API key. Additional security measures, such as...
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  • 2
    OpenGL Canvas

    OpenGL Canvas

    An Android library that provides views using openGL canvas

    android-openGL-canvas is a lightweight OpenGL rendering library for Android that emulates the Android Canvas API using OpenGL ES 2.0. It’s designed for developers who want to achieve hardware-accelerated 2D graphics on Android while maintaining the familiar Canvas drawing commands. Ideal for real-time graphics, games, or custom views, this project provides a fast and flexible alternative to Android’s software rendering without the need for a full game engine. It bridges the gap between...
    Downloads: 4 This Week
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  • 3
    EJDB

    EJDB

    Embeddable JSON Database engine C library

    EJDB 2.0, Embeddable JSON Database engine C library. Simple XPath like query language (JQL). Websockets / Android / iOS / React Native / Flutter / Java / Dart / Node.js bindings. Docker image. Array elements are matched from start to end. In equal arrays all values at the same index should be equal. Lexicographically sort object keys in both maps. Do matching keys and its values starting from the lowest key.
    Downloads: 2 This Week
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  • 4
    WTFJS

    WTFJS

    A list of funny and tricky JavaScript examples

    WTFJS is a curated collection of JavaScript “gotchas” and puzzling examples that reveal surprising corners of the language. Each entry presents a small snippet, explains why the behavior occurs, and ties it back to the specification or engine rules. The repository covers coercion quirks, edge-case comparisons, floating-point oddities, prototype traps, and scoping pitfalls, among others. It’s designed as both a fun read and a serious learning aid, helping developers build an intuition for how JavaScript evaluates expressions. By highlighting common misconceptions, it encourages safer coding patterns and more reliable mental models. ...
    Downloads: 2 This Week
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  • 5
    compileflow

    compileflow

    Core business process engine of Alibaba Halo platform

    Compileflow is a very lightweight, high-performance, integrable and extensible process engine. The Compileflow process engine is an important part of Taobao Business Process Management(TBBPM), which is dedicated to optimizating operations at Alibaba’s Taobao Marketplace. Specifically, Compileflow is designed to focus on pure memory execution and stateless process engines by converting process files to generate, compile and execute java code.
    Downloads: 0 This Week
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  • 6
    7-Zip-JBinding

    7-Zip-JBinding

    Java wrapper for 7z archiver engine

    Native (JNI) cross-platform library to extract (password protected, multi-part) 7z Zip Rar Tar Split Lzma Iso HFS GZip Cpio BZip2 Z Arj Chm Lhz Cab Nsis Deb Rpm Wim Udf archives and create 7z, Zip, Tar, GZip & BZip2 from Java.
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    Downloads: 10 This Week
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  • 7

    Java Enhanced Reflection Interface

    A collection of reflection facades for the Java Programming Language

    This library contains several utilities for working with reflection in Java. Java's reflection framework becomes particularly difficult to work with because of rules related to generics, and this framework aims to make interacting with it easier.
    Downloads: 0 This Week
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  • 8
    Open HTML to PDF

    Open HTML to PDF

    An HTML to PDF library for the JVM

    Open HTML to PDF is a pure-Java library for rendering a reasonable subset of well-formed XML/XHTML (and even some HTML5) using CSS 2.1 (and later standards) for layout and formatting, outputting to PDF or images. Use this library to generated nice looking PDF documents. But be aware that you can not throw modern HTML5+ at this engine and expect a great result. You must special craft the HTML document for this library and use it's extended CSS feature like #31 or #32 to get good results. ...
    Downloads: 2 This Week
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  • 9
    Easy Rules

    Easy Rules

    The simple, stupid rules engine for Java

    The simple, stupid rules engine for Java. As of December 2020, Easy Rules is in maintenance mode. This means only bug fixes will be addressed from now on. Version 4.1.x is the only supported version. Please consider upgrading to this version at your earliest convenience. Lightweight library and easy-to-learn API. POJO-based development with an annotation programming model.
    Downloads: 0 This Week
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  • 10
    CodeQL

    CodeQL

    Libraries and queries that power security researchers

    CodeQL is a semantic code analysis engine that treats programs as queryable databases, enabling users to write expressive queries that identify security vulnerabilities, logic bugs, and code quality issues across large codebases. Instead of just pattern matching text, CodeQL ingests source code, builds rich representations of structure and data flow, and allows queries that reason about control flow, type systems, and interprocedural relationships. This makes it powerful not just for basic...
    Downloads: 0 This Week
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  • 11
    CSSBox

    CSSBox

    Pure Java HTML / CSS rendering engine

    CSSBox is an (X)HTML/CSS rendering engine written in pure Java. Its primary purpose is to provide a complete information about the rendered page suitable for further processing. However, it also allows displaying the rendered document.
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    Downloads: 11 This Week
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  • 12

    Boss Engine

    8-bit Graphical API for Java

    Boss Engine is a graphical API for writing low-resolution 8-bit color applications. It offers easy to use functions for handling graphics, basic i/o and more. Screen access is performed through virtual framebuffers that allow direct read/write access to indexed color screen data. API is coded entirely with native libraries. No third party libraries required.
    Downloads: 2 This Week
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  • 13
    exchange-core java

    exchange-core java

    Ultra-fast matching engine written in Java based on LMAX Disruptor

    Exchange-core is an open source market exchange core based on LMAX Disruptor, Eclipse Collections (ex. Goldman Sachs GS Collections), Real Logic Agrona, OpenHFT Chronicle-Wire, LZ4 Java, and Adaptive Radix Trees. HFT optimized. Priority is a limit-order-move operation mean latency (currently ~0.5µs). Cancel operation takes ~0.7µs, placing new order ~1.0µs. Pipelined multi-core processing (based on LMAX Disruptor): each CPU core is responsible for certain processing stage, user accounts...
    Downloads: 0 This Week
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  • 14
    Java Neural Network Framework Neuroph
    Neuroph is lightweight Java Neural Network Framework which can be used to develop common neural network architectures. Small number of basic classes which correspond to basic NN concepts, and GUI editor makes it easy to learn and use.
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    Downloads: 28 This Week
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  • 15
    Android Layout Engine

    Android Layout Engine

    A JSON based LayoutInflater for Android

    Proteus is meant to be a drop-in replacement for Android’s LayoutInflater; but unlike the compiled XML layouts bundled in the APK, Proteus inflates layouts at runtime. With Proteus, you can control your Apps layout from the backend (no WebViews). Forget the boilerplate code to findViewById, cast it to a TextView, and then setText(). Proteus has runtime data bindings and formatters. Plugin in your own custom views and attributes and functions to flavour proteus to your requirements.
    Downloads: 15 This Week
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  • 16
    VJTools

    VJTools

    The vip.com's java coding standard, libraries and tools

    Vipshop, which focuses on Java, has some knowledge about Java. "Alibaba Java Development Manual" is the first enterprise-level Java development manual published to the outside world, which is of great significance to the entire industry. Based on the internal experience of Vipshop, we refer to heavy materials such as "Clean Code" and "Effective Java" to add some items and make some simplifications.
    Downloads: 0 This Week
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  • 17
    iText®, a JAVA PDF library

    iText®, a JAVA PDF library

    PDF Library for Developers

    iText is an open-source PDF library available for Java and .NET (C#). iText allows you to effortlessly generate and manipulate standards-compliant PDF documents with a powerful and feature-rich SDK. With iText, you can create archivable and accessible PDFs, split and merge documents, fill and flatten forms, digitally sign documents, and more. iText add-ons enable additional functionality, such as PDF creation from HTML templates, secure redaction, OCR, and much more.
    Downloads: 67 This Week
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  • 18
    StrongKey CryptoEngine

    StrongKey CryptoEngine

    FIDO strong authentication, encryption, digital signature engine

    StrongKey CryptoEngine (SKCE) 2.0 is a "crypto Swiss Army knife" server to perform cryptographic functions through web services, while freeing application developers to focus on business functionality. Its modules include: - A FIDO Engine to support FIDO U2F key registrations/authentications - An encryption engine to encrypt/decrypt files using AES/TDES keys - Escrowing keys to on-premises key management system (StrongAuth KeyAppliance/SAKA) - Integration to cloud storage services...
    Downloads: 0 This Week
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  • 19
    RRDiagram

    RRDiagram

    Generate railroad diagrams from code or BNF. Generate BNF from code

    RR Diagram allows to generate railroad diagrams (also called syntax diagrams) from code or from BNF notation. The output format is SVG which can be integrated to web pages and where rules can contain links. RR Diagram can also be used to generate BNF notation from a model.
    Downloads: 1 This Week
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  • 20
    Hoa\Ruler

    Hoa\Ruler

    The Hoa\Ruler library.

    Hoa is a modular, extensible, and structured set of PHP libraries. Moreover, Hoa aims to be a bridge between the industrial and research worlds. This library allows to manipulate a rule engine. Rules can be written by using a dedicated language, very close to SQL. Therefore, they can be written by a user and saved in a database.
    Downloads: 3 This Week
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  • 21
    Args

    Args

    A java configuration file and command line parser

    Powerful rule-based command line parser and cofiguration reader. Options can be created using annotations or manually using a powerful API. Options are grouped into hierarchical namespace, allowing sophisticated inclusion, exclusion and grouping based on rules. Supports multiple dialects and automatic document creator such as typical usage and UNIX manpages. POSSIX, GNU, MSDOS command line parser dialects. XML, INI, PROPERTIES configuration file types. Database and general persistance or...
    Downloads: 0 This Week
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  • 22
    Android Saripaar

    Android Saripaar

    UI form validation library for Android

    Android Saripaar is a simple, feature-rich and powerful rule-based UI form validation library for Android. It is the SIMPLEST UI validation library available for Android. Built on top of Apache Commons Validator, a validation framework with proven track record on the web, desktop and mobile platforms. Declarative style validation using Annotations. Extensible, now allows Custom Annotations. Synchronous and Asynchronous validations, you don't have to worry about threading. Supports both BURST...
    Downloads: 0 This Week
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  • 23
    Jollyday
    This API calculates the holidays for a given year, country and region or lets you provide your own holiday rules. Uses XML files for storing the holiday data. Uses JODA date/time API. Supports Europe, North/South America, Australia, Russia, India ...
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  • 24

    TinyTemplate

    A single-file extensible template engine

    TinyTemplate is a small single-file templating engine in Java. A PHP version is also available. Templates can access the available variables and nested fields/values, format the values dependent on the locale. Conditional statements and loops are also supported.
    Downloads: 0 This Week
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  • 25

    xmltes

    xml Template Engine System

    Xml Template Engine, Modular, Event-based System with bean scoped contexts. Javascript and Java Client-Server Model. Write dynamic websites with xml templates. Modular structure maps xml namespaces to javascript modules. JS modules, templates, css and files are stored server-side and rendered client-side with the program. Non-commercial license.
    Downloads: 0 This Week
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