Showing 454 open source projects for "rules"

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  • 1
    Forge: Magic: The Gathering Rules Engine

    Forge: Magic: The Gathering Rules Engine

    An unofficial rules engine for the world's greatest card game

    Forge is a comprehensive open-source rules engine and gameplay platform designed to simulate and extend the card game Magic: The Gathering in a fully digital environment. Developed collaboratively by a community of contributors, it implements the vast majority of the game’s rules and card interactions, allowing players to experience both casual and competitive gameplay without official clients.
    Downloads: 10 This Week
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  • 2
    Code Quality and Security for Java

    Code Quality and Security for Java

    SonarSource Static Analyzer for Java Code Quality and Security

    Hundreds of unique rules to find Java bugs, code smells & vulnerabilities. Sonar static analysis helps you build and maintain high-quality Java code. Covering popular build systems, standards and versions, Sonar elevates your coding game while keeping vulnerabilities at bay. With each Java version, we create dedicated rules so you learn shiny, new features and avoid pitfalls.
    Downloads: 5 This Week
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  • 3
    Spotless

    Spotless

    Keep your code spotless

    Spotless is a tool for formatting and enforcing consistent code style in various languages, streamlining code quality across teams.
    Downloads: 0 This Week
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  • 4
    Bazel

    Bazel

    Fast, scalable, multi-language and extensible build system

    ...It handles codebases of any size, in multiple repositories or a huge monorepo. Easily add support for new languages and platforms with Bazel's familiar extension language. Share and re-use language rules written by the growing Bazel community. Bazel is the common build tool throughout Pinterest and has been instrumental in achieving fast, reproducible builds across our programming languages and platforms.
    Downloads: 26 This Week
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  • 5
    Event Ruler

    Event Ruler

    Java library that allows matching many thousands of Events per second

    Event Ruler (called Ruler in the rest of the doc for brevity) is a Java library that allows matching Rules to Events. An event is a list of fields, which may be given as name/value pairs or as a JSON object. A rule associates event field names with lists of possible values. Event Ruler is a Java library that allows matching many thousands of Events per second to any number of expressive and sophisticated rules.
    Downloads: 5 This Week
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  • 6
    ta4j

    ta4j

    A Java library for technical analysis

    ...We can calculate indicators over this bar series, in order to forecast the direction of prices through the study of past market data. Then we have to build our trading strategy. It is made of two trading rules, one for entry, the other for exit. Ta4j comes with a set of basic trading rules/strategies which can be combined using boolean operators. Trading strategies can be easily compared according to a set of analysis criteria. Ta4j can also be used for live trading with more complicated strategies.
    Downloads: 15 This Week
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  • 7
    Elide

    Elide

    Elide is a Java library that lets you stand up a GraphQL/JSON-API

    ...And thats it, you are ready to deploy and query your data with JSON or GraphQL requests. Quickly build and deploy production-quality web services that expose your data as a service. Elide APIs support complex filtering rules, sorting, pagination, subscriptions, and text search. Controlling access to your data is as simple as defining your rules and annotating your models.
    Downloads: 4 This Week
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  • 8
    Nomulus

    Nomulus

    Top-level domain name registry service on Google Cloud Platform

    ...It implements the core registry protocols—EPP for registrar interactions, WHOIS/RDAP for public data access—and manages the lifecycle of domain objects, hosts, and contacts. The system is built to scale and to enforce policy: pricing rules, reserved names, premium tiers, grace periods, and automated renewals are modeled explicitly. It integrates with DNS provisioning, data escrow, and billing so you can run a compliant registry end-to-end rather than stitching together separate services. Operators get admin tools for reporting, manual adjustments, and policy configuration, while registrars interact through standards-compliant channels. ...
    Downloads: 6 This Week
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  • 9
    RefactorFirst

    RefactorFirst

    Identifies and prioritizes God Classes Highly Coupled classes

    A tool designed to automate code refactoring for developers, reducing technical debt and improving code quality.
    Downloads: 4 This Week
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  • 10
    Apache HertzBeat

    Apache HertzBeat

    Apache HertzBeat(incubating) is a real-time monitoring system

    Apache HertzBeat (incubating) is an easy-to-use, open source, real-time monitoring system with an agentless, high-performance cluster, Prometheus-compatible, and offers powerful custom monitoring and status page building capabilities. Hertzbeat is an open-source monitoring and alerting platform for IT infrastructure, including servers, networks, and applications.
    Downloads: 11 This Week
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  • 11
    Copybara

    Copybara

    Copybara: A tool for transforming and moving code between repositories

    Copybara is an open source code transformation and migration tool developed by Google for synchronizing and managing source code across multiple repositories. It allows developers to transform, filter, and move code between repositories while maintaining a consistent source of truth. Copybara is particularly useful in workflows where projects maintain both confidential (internal) and public (open source) repositories, enabling controlled synchronization and contribution management between...
    Downloads: 21 This Week
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  • 12
    SonarQube

    SonarQube

    Continuous inspection

    SonarQube empowers all developers to write cleaner and safer code. Thousands of automated Static Code Analysis rules, protecting your app on multiple fronts, and guiding your team. Catch tricky bugs to prevent undefined behavior from impacting end-users. Fix vulnerabilities that compromise your app, and learn AppSec along the way with Security Hotspots. Make sure your codebase is clean and maintainable, to increase developer velocity! We embrace progress - whether it's multi-language applications, teams composed of different backgrounds or a workflow that's a mix of modern and legacy, SonarQube has you covered. ...
    Downloads: 28 This Week
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  • 13
    International Components for Unicode

    International Components for Unicode

    The home of the ICU project source code

    ...Compare strings according to the conventions and standards of a particular language, region or country. ICU's collation is based on the Unicode Collation Algorithm plus locale-specific comparison rules from the Common Locale Data Repository, a comprehensive source for this type of data.
    Downloads: 17 This Week
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  • 14
    XMage

    XMage

    Magic Another Game Engine

    XMage allows you to play Magic against one or more online players or computer opponents. It includes full rules enforcement for over 20 000 unique cards and more than 50.000 reprints from different editions. You can also find custom sets like Star Wars. All regular sets have nearly all implemented cards. It supports single matches and tournaments with dozens game modes like duel, multiplayer, standard, modern, commander, pauper, oathbreaker, historic, freeform and much more.
    Downloads: 9 This Week
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  • 15
    openHAB Distribution

    openHAB Distribution

    The binary distribution of openHAB

    The open Home Automation Bus (openHAB) project aims to provide a universal integration platform for all things around home automation. It is a pure Java solution, fully based on OSGi. It is designed to be vendor-neutral as well as hardware/protocol-agnostic. openHAB brings together different bus systems, hardware devices, and interface protocols by dedicated bindings. These bindings send and receive commands and status updates on the openHAB event bus. This concept allows designing user...
    Downloads: 7 This Week
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  • 16
    Purpur

    Purpur

    Purpur is a drop-in replacement for Paper servers

    ...It functions as a drop-in replacement for Paper, meaning existing servers can switch to Purpur without major changes while gaining access to additional features and configuration options. The project focuses on allowing administrators to modify gameplay mechanics, behaviors, and rules that are normally fixed in standard server implementations. Through a wide set of configuration settings, server operators can adjust how mobs behave, alter game mechanics, or enable experimental gameplay features that are not present in vanilla Minecraft. Purpur inherits performance improvements and plugin compatibility from the Paper ecosystem while adding its own enhancements and customization capabilities.
    Downloads: 4 This Week
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  • 17
    Synthea Patient Generator

    Synthea Patient Generator

    Synthetic Patient Population Simulator

    SyntheaTM is an open-source, synthetic patient generator that models the medical history of synthetic patients. Our mission is to provide high-quality, synthetic, realistic but not real, patient data and associated health records covering every aspect of healthcare. The resulting data is free from cost, privacy, and security restrictions, enabling research with Health IT data that is otherwise legally or practically unavailable. The models used to generate synthetic patients are informed by...
    Downloads: 4 This Week
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  • 18
    ShardingSphere

    ShardingSphere

    Distributed database ecosphere

    Apache ShardingSphere is an open-source ecosystem consisted of a set of distributed database solutions, including 3 independent products, JDBC, Proxy & Sidecar (Planning). They all provide functions of data scale out, distributed transaction and distributed governance, applicable in a variety of situations such as Java isomorphism, heterogeneous language and cloud native. Apache ShardingSphere aiming at reasonably making full use of the computation and storage capacity of existed database in...
    Downloads: 5 This Week
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  • 19
    TypeDB

    TypeDB

    TypeDB: a strongly-typed database

    ...TypeDB allows you to model your domain based on logical and object-oriented principles. Composed of entity, relationship, and attribute types, as well as type hierarchies, roles, and rules, TypeDB allows you to think higher-level, as opposed to join-tables, columns, documents, vertices, edges, and properties.Types provide a way to describe the logical structures of your data, allowing TypeDB to validate that your code inserts and queries data correctly.
    Downloads: 1 This Week
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  • 20
    Weka

    Weka

    Machine learning software to solve data mining problems

    Weka is a collection of machine learning algorithms for solving real-world data mining problems. It is written in Java and runs on almost any platform. The algorithms can either be applied directly to a dataset or called from your own Java code.
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    Downloads: 10,303 This Week
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  • 21

    CODERU

    A code quality tool to enforce structural quality

    CODERU is a java code quality tool to enforce good structure in respect to packages and therefore modules dependencies. CODERU is an achronym and stands for Common Dependency Rules. The CODERU-rules rely on reserved package names and the allowed dependency rules between them expressed in a general way. Unlike other tools forcing you to define allowed or disallowed individual package dependencies CODERU is based on a fixed set of general rules. The dependencies between packages need not be defined explicitly. ...
    Downloads: 0 This Week
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  • 22
    Arianne RPG

    Arianne RPG

    Arianne is an engine to develop multiplayer online games like Stendhal

    Arianne is a multiplayer online engine to develop turn based and real time games, providing a simple way of creating the game server rules and clients like our MORPG Stendhal. Our engine Marauroa uses Java and SQL for hosting hundreds of players on a solo host. Stendhal is a fun friendly and free multiplayer online adventure game with a huge and rich world. With hundreds of NPCs and different quests, features like the Travel log and achievement system keep track of progress. ...
    Downloads: 45 This Week
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  • 23
    C3PO is a software synthesis tool that provides a solution for building maintainable, reliable and robust software infrastructures and/or compiler frontends from a set of attributed grammar rules in EBNF notation.
    Downloads: 4 This Week
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  • 24
    AL-IV

    AL-IV

    ALFOUR Programming language. Simple, safe, power, multi-platform.

    A programming language AL-IV (ALFOUR) is a high-level imperative object oriented programming language with minimal introduction level, easy porting to any platform claiming a very high level of safety and stability, with a controllable level of code protection, high efficiency of an executable code, full independence from a target platform, minimal enter level.
    Downloads: 8 This Week
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  • 25
    MoneyCSV

    MoneyCSV

    Personal finance program based on CSV text files (no closed database)

    This personal finance program allows you track all personal accounts including investment accounts. Money CSV provides reoccurring bills, budget tracking, report generation, net worth tracking and custom transaction import rules. The program supports importing of downloaded transaction files (OFX, QFX and QIF). Money CSV supports stock price updates if you get a key for the Yahoo Finance (YH Finance) API from RapidAPI.com. The intro level API key is free, and you get 500 downloads per month of all your stocks, which is plenty of downloads as one typically just updates once a day. ...
    Downloads: 6 This Week
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