Showing 77 open source projects for "rules engine"

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  • 1
    Rules Engine

    Rules Engine

    A Json based Rules Engine with extensive Dynamic expression support

    A Json-based Rules Engine with extensive Dynamic expression support. RulesEngine is a highly extensible library to build a rule-based system using C# expressions. Rules Engine is a library/NuGet package for abstracting business logic/rules/policies out of a system. It provides a simple way of giving you the ability to put your rules in a store outside the core logic of the system, thus ensuring that any change in rules don't affect the core system. ...
    Downloads: 0 This Week
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  • 2
    Hasura GraphQL Engine

    Hasura GraphQL Engine

    Blazing fast, instant realtime GraphQL APIs on your DB

    ...Developers and architects love Hasura because it takes no time to get started, doesn’t need them to be a GraphQL expert upfront, and saves their teams months of recurring effort in building, shipping, and maintaining their APIs. Hasura’s built-in RLS style authorization engine allows you to conveniently specify authorization rules at a model level, and safely expose the GraphQL API to developers inside or outside your organization. Hasura’s authz engine is enabling agile teams in fast-growing startups as well as powering mission-critical data access in highly regulated environments such as Fortune 500 healthcare, financial services and US federal agencies.
    Downloads: 7 This Week
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  • 3
    ziwei-doushu

    ziwei-doushu

    Chinese astrology chart calculation engine

    Ziwei Doushu is an open-source Chinese astrology chart calculation engine based on the traditional Zi Wei Dou Shu system and Ni Haixia's Tian Ji teachings. It generates birth charts using calendar calculations, star placements, and traditional astrological rules. The software includes the Four Transformations system, chart pattern recognition, and a knowledge base of classical interpretations. Birthplace coordinates and historical daylight saving adjustments support true solar time calculations. ...
    Downloads: 1,770 This Week
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  • 4

    engine

    RDF Rule Engine for SASSY

    A general purpose rule engine for RDF. The rules are stored as RDF. Additional application specific processing can be added and incorporated into the rules. Rules can be edited using a text editor.
    Downloads: 0 This Week
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  • 5
    Database Lab Engine (DLE)

    Database Lab Engine (DLE)

    DLE provides blazing-fast database cloning to build dev environments

    Thin PostgreSQL clones. DLE provides blazing-fast database cloning to build powerful development, test, QA, staging environments. Follow to stay updated. The Database Lab Engine is an open-source experimentation platform for PostgreSQL databases. Instantly create full-size clones of your production database and use them to test your database migrations, optimize SQL, or deploy full-size staging apps. The Database Lab Engine (DLE) runs on an independent server within your own infrastructure....
    Downloads: 0 This Week
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  • 6
    Code Quality and Security for Java

    Code Quality and Security for Java

    SonarSource Static Analyzer for Java Code Quality and Security

    ...Consistently find tricky, hard-to-spot issues in your regular expressions. Allow you to effortlessly repair your Java coding issues with just a click. Dozens of rules to ensure your tests are always as clean as your code! Dedicated rules to detect vulnerabilities including ones stemming from OWASP & CWE Top 25 guidelines. It all comes from a powerful analysis engine that we constantly refine. Sonar employs advanced rules along with smart, exclusive analysis techniques to find the trickiest, most elusive issues.
    Downloads: 0 This Week
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  • 7
    Ultracite

    Ultracite

    A highly opinionated, zero-configuration linter and formatter

    Ultracite is a highly opinionated, zero-configuration linting and formatting preset designed primarily for modern JavaScript/TypeScript codebases. It is built on top of the Biome toolchain (written in Rust) and aims to deliver sub-second performance so that formatting and linting feel seamless, even on large projects. Because it comes pre-configured with sensible defaults for frameworks like React and Next.js, developers can adopt it with minimal setup—simply run npx ultracite init and start...
    Downloads: 9 This Week
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  • 8
    ta4j

    ta4j

    A Java library for technical analysis

    Ta4j is an open-source Java library for technical analysis. It provides the basic components for the creation, evaluation, and execution of trading strategies. Ta4j is available on Maven Central. You can also download example code from the maven central repository. The wiki is the best place to start learning about ta4j. For more detailed questions, please use the issues tracker. We can calculate indicators over this bar series, in order to forecast the direction of prices through the study...
    Downloads: 11 This Week
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  • 9
    Kapacitor

    Kapacitor

    Open source framework for processing, monitoring, and alerting

    Open source framework for processing, monitoring, and alerting on time series data. Kapacitor is a real-time data processing engine for monitoring and alerting, specifically designed to work with time-series data from InfluxDB.
    Downloads: 4 This Week
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  • 10
    StackStorm

    StackStorm

    Connect all your apps, services, and workflows

    StackStorm is a platform for integration and automation for numerous services and tools. It takes actions in response to events, and is composed of a rules engine, workflow, and 160 integration packs with more than 6000 actions. This makes StackStorm very versatile, useful in a wide array of business applications. StackStorm can be used to automate and streamline nearly any part of a business. It can be used for automated remediation to immediately troubleshoot and fix problems when failures occur; it can be used for continuous deployment; it can create a fast and automated security response and so much more. ...
    Downloads: 0 This Week
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  • 11
    axe-core

    axe-core

    Accessibility engine for automated Web UI testing

    Axe is an accessibility testing engine for websites and other HTML-based user interfaces. It's fast, secure, lightweight, and was built to seamlessly integrate with any existing test environment so you can automate accessibility testing alongside your regular functional testing. Axe-core has different types of rules, for WCAG 2.0 and 2.1 on level A and AA, as well as a number of best practices that help you identify common accessibility practices like ensuring every page has an h1 heading, and to help you avoid "gotchas" in ARIA like where an ARIA attribute you used will get ignored. ...
    Downloads: 3 This Week
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  • 12
    Dompdf

    Dompdf

    HTML to PDF converter for PHP

    dompdf is an HTML to PDF converter. At its heart, dompdf is (mostly) a CSS 2.1 compliant HTML layout and rendering engine written in PHP. It is a style-driven renderer, it will download and read external stylesheets, inline style tags, and the style attributes of individual HTML elements. It also supports most presentational HTML attributes. PDF rendering is currently provided either by PDFLib or by a bundled version the R&OS CPDF class written by Wayne Munro. (Some important changes have...
    Downloads: 41 This Week
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  • 13
    The Tengo Language

    The Tengo Language

    A fast script language for Go

    ...Tengo is fast and secure because it's compiled/executed as bytecode on stack-based VM that's written in native Go. Securely Embeddable and Extensible. Compiler/runtime written in native Go (no external deps or cgo). Executable as a standalone language / REPL. Use cases, rules engine, state machine, data pipeline, transpiler. If you need to evaluate a simple expression, you can use Eval function instead.
    Downloads: 0 This Week
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  • 14
    Elsa Workflows

    Elsa Workflows

    A .NET Standard 2.0 Workflows Library

    ...In addition to an increasing number of activities that you can choose from, Elsa is designed to be extensible with your own custom activities. Short-running Workflows can be useful to implement a business rules engine, while long-running workflows greatly simplify the implementation of complex processes that involve coordinating between multiple agents (users & machines).
    Downloads: 6 This Week
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  • 15
    cmp-nvim-lsp

    cmp-nvim-lsp

    nvim-cmp source for neovim builtin LSP client

    ...It integrates with existing LSP server configurations through a simple Lua helper function. The plugin supports customization of keyword matching rules for individual languages and servers. It works alongside other nvim-cmp completion sources without replacing the underlying language server. Its lightweight design helps developers configure advanced code completion in Neovim.
    Downloads: 0 This Week
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  • 16
    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: 0 This Week
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  • 17
    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. ...
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    Downloads: 213 This Week
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  • 18
    NanoH5 (tsl2nano)

    NanoH5 (tsl2nano)

    java bean / database driven zero code application framework

    NanoH5 (or FullRelation) is a fullstack UI implementation framework providing a model driven design (MDA). Build a complete html5 application through a given class- or database-model without coding (coding APIs are available).
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    Downloads: 4,012 This Week
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  • 19
    RunaWFE Free

    RunaWFE Free

    is low code bpm platform, which is easy to install and easy to use

    ...Administrators can: create /remove actors and groups, include /exclude actors to/from groups, grant permissions on system objects to actors and groups, forcibly stop business process instances, add/change actors substitutions rules. Tutorial: https://runawfe.org/doc/Tutorial InstallationGuide: https://runawfe.org/doc/InstallationGuide Documentation: https://runawfe.org/doc/Documentation
    Downloads: 6 This Week
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  • 20
    RE/flex lexical analyzer generator

    RE/flex lexical analyzer generator

    The regex-centric, fast lexical analyzer generator for C++

    A C++ high-performance regex library and Flex-compatible lexical analyzer generator with full Unicode support, new indentation anchors, lazy quantifiers, and many other modern features. Accepts Flex lexer specification syntax and is compatible with Bison/Yacc parsers. Generates reusable source code that is easy to understand. Supports fast scanning of UTF-8/16/32 files, strings, and streams. The reflex scanner generator generates clean C++ lexer class code that is thread-safe. Generates...
    Downloads: 1 This Week
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  • 21

    UniSIMD-assembler

    SIMD macro assembler unified for ARM, MIPS, PPC and x86

    UniSIMD assembler is a high-level C/C++ macro assembler framework unified across ARM, MIPS, POWER and x86 architectures. It establishes a subset of both BASE and SIMD instruction sets with clearly defined common API, so that application logic can be written and maintained in one place without code replication. The assembler itself isn't a separate tool, but rather a collection of C/C++ header files, which applications need to include directly in order to use. At present, Intel...
    Downloads: 0 This Week
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  • 22
    Naughty Keyboard

    Naughty Keyboard

    Type awkward test values into any field with one shortcut. 200+ values

    Naughty Keyboard is a tool for testers and developers. One shortcut types the next awkward value into the field in front of you: null, a trailing space, a zero-width space, 30.02.2026, =1+1, a name of 65 535 characters. They are the values real users and real data produce, and a form you only ever tried with "John Smith" has never met them. Every value comes with what it usually breaks and what a correct application does instead. When one of them breaks something, one more shortcut copies...
    Downloads: 0 This Week
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  • 23
    DevProjex

    DevProjex

    Turn any codebase into clean AI-ready context: GUI, TUI, CLI, MCP

    DevProjex turns any folder or Git repository into clean, token-efficient context for AI assistants and coding agents, and shows exactly what leaves your machine before you send it. Use it as a desktop app (GUI), a keyboard-first terminal workspace (TUI), a scriptable CLI for CI, or a read-only MCP server for Claude Code, Cursor, and other agents. An open-source alternative to Repomix, gitingest, and code2prompt, with a visual file tree and live preview. Smart Ignore drops build output,...
    Downloads: 0 This Week
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  • 24
    Monokle

    Monokle

    Better create, understand, and deploy YAML manifests

    Monokle's integrated open-source tools and cloud platform make it easy to define, manage, and enforce Kubernetes YAML configuration policies in minutes. Deploy, manage and audit policies for your teams across the entire configuration lifecycle from a centralized Dashboard. Define polices using 100+ pre-existing rules for Security, Resource Usage, and Compliance. Create your own Validation Extensions 
for your organization's compliance
 and conventions. Assess policy enforcement impact by...
    Downloads: 1 This Week
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  • 25
    ClashN

    ClashN

    A clash client for Windows, support Mihomo

    clashN is a Windows desktop client for the Clash networking engine, providing a graphical interface to manage proxies, rules, and profiles. It wraps the Clash core in a familiar, configurable UI so users can import subscriptions, switch nodes, and observe connections without editing YAML by hand. The app emphasizes rule-based routing, letting you combine rule providers and policy groups to steer traffic by domain, process, or destination category.
    Downloads: 0 This Week
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