Showing 609 open source projects for "rules"

View related business solutions
  • Earn up to 16% annual interest with Nexo. Icon
    Earn up to 16% annual interest with Nexo.

    Access competitive interest rates on your digital assets.

    Generate interest, borrow against your crypto, and trade a range of cryptocurrencies — all in one platform. Geographic restrictions, eligibility, and terms apply.
    Get started with Nexo.
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 1
    gock

    gock

    HTTP traffic mocking and testing made easy in Go

    ...Full regular expressions capable HTTP request mock matching. Designed for both testing and runtime scenarios. Match request by method, URL params, headers and bodies. Extensible and pluggable HTTP matching rules. Ability to switch between mock and real networking modes. Ability to filter/map HTTP requests for accurate mock matching. Supports map and filters to handle mocks easily. Wide compatible HTTP interceptor using http.RoundTripper interface. Works with any net/http compatible client, such as gentleman. Network timeout/cancelation delay simulation. ...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    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: 8 This Week
    Last Update:
    See Project
  • 3
    Google IPs

    Google IPs

    Public IP address ranges associated with Google infrastructure

    ...It’s useful in both enterprise networks and homelab setups where precise rules are preferred over broad allowances. Because IP allocations evolve, the project aims to make refreshing and automating the data straightforward.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    rrule.js

    rrule.js

    JS library for working with recurrence rules for calendar dates

    JavaScript library for working with recurrence rules for calendar dates as defined in the iCalendar RFC and more. rrule.js supports recurrence rules as defined in the iCalendar RFC, with a few important differences. It is a partial port of the rrule module from the excellent python-dateutil library. On top of that, it supports parsing and serialization of recurrence rules from and to natural language.
    Downloads: 9 This Week
    Last Update:
    See Project
  • Try Google Cloud Risk-Free With $300 in Credit Icon
    Try Google Cloud Risk-Free With $300 in Credit

    No hidden charges. No surprise bills. Cancel anytime.

    Use your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
    Start Free
  • 5
    v8n

    v8n

    JavaScript fluent validation library

    ...The API is beautifully readable and allows for easy creation of complex validations in any part of your app. Even though there are many useful default validation methods, it's a breeze to add your own fluent rules to v8n and use them anywhere in your app. The name v8n is actually derived from the structure of the word "validation". If you look closely you will find that between the v and the n, there are precisely 8 letters (a l i d a t i o). So we get from the sort of boring word validation to the very nice-looking acronym v8n.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 6
    CSSO

    CSSO

    CSS minifier with structural optimizations

    ...It performs three sorts of transformations: cleaning (removing redundant), compression (replacement for the shorter forms), and restructuring (merge of declarations, rules, and so on). As a result, an output CSS becomes much smaller in size. One of CDN services like unpkg or jsDelivr can be used. By default (for short path) the ESM version is exposed. For IIFE version a full path to a bundle should be specified. CSSO is based on CSSTree to parse CSS into AST, AST traversal and to generate AST back to CSS. ...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    codecat

    codecat

    static code analysis, to find/track sinks and bugs

    CodeCat is a open source tool to help you in static code analysis, to find/track sinks and bugs, this points follow regex rules...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    MarkovJunior

    MarkovJunior

    Probabilistic language based on pattern matching

    ...The project provides tools for defining rules, visualizing outputs, and experimenting with different configurations. Its design emphasizes simplicity while still enabling complex emergent behavior. Overall, MarkovJunior is a powerful framework for procedural generation using rule-based approaches.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    AdaControl

    AdaControl

    Ada source code controller

    A tool that detects the use of many constructs in Ada programs. Use it to control style or programming rules, but also as a powerful tool to search for use (or non-use) of various forms of programming styles or design patterns.
    Downloads: 9 This Week
    Last Update:
    See Project
  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build, govern, and optimize agents and models with Gemini Enterprise Agent Platform.
    Start Free
  • 10
    CAT

    CAT

    CAT is the basic component of the server project

    ...In addition to metrics, it enables tracing—propagating context across RPC boundaries so problems like latency spikes or failed calls can be traced end-to-end. Alert rules and anomaly detection can be defined to notify teams proactively. The system supports multiple data backends and ingestion pipelines to collect data from JVM, C/C++, Python, and other ecosystems. With the collected data, Cat supports analysis of hotspots, trending anomalies, and capacity planning to drive continuous reliability improvements.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Instaparse

    Instaparse

    Instaparse aims to be the simplest way to build parsers in Clojure

    ...For example, a popular alternative to * is to surround the term with curly braces {}, and a popular alternative to ? is to surround the term with square brackets []. Rules can be specified with =, :, :=, or ::=. Rules can optionally end with ;. Instaparse is very flexible in terms of how you use whitespace (as in Clojure, , is treated as whitespace) and you can liberally use parentheses for grouping.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Riverpod

    Riverpod

    A reactive caching and data-binding framework

    Riverpod is a modern, framework-agnostic state management and dependency injection library for Dart and Flutter that emphasizes compile-time safety and explicit data flow. Instead of tying state to widget trees, it models state as providers that can be read anywhere, making logic more testable and decoupled from UI. It supports synchronous state, async data (futures/streams) with built-in loading/error handling, and advanced patterns like derived state and provider scopes. Riverpod’s design...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    µPipenv

    µPipenv

    A lightweight wrapper for pip to support requirements.txt

    ...Designed for containerized Python applications but not limited to them. if requirements.txt state all the packages in a pinned version with hashes (e.g. pip-tools), micropipenv installs packages with a possible fallback if the installation order is relevant. micropipenv does not substitute Poetry it rather complements it for containerized deployments where the size of the container image and software shipped with it matters. I would like to have a tool that "rules them all" - one lightweight tool to support all Python dependency lock file managers (pip-tools, Poetry, Pipenv) and lets users decide what they want to use when deploying Python applications in containerized environments (e.g. Kubernetes, OpenShift, ...).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Behat Transliterator

    Behat Transliterator

    Behat Transliterator library inherited from Doctrine1

    Behat Transliterator is a PHP library that converts UTF-8 strings into ASCII representations, often used to generate slugs or readable identifiers. It supports multiple languages and transliteration rules, making it a useful utility for URL slugging, filenames, or internationalized text normalization. The library is fast, flexible, and widely used in Symfony and Behat projects.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Release

    Release

    Generate changelogs with a single command

    Release is an automated versioning and changelog management tool for GitHub repositories. It simplifies the process of managing software releases by generating version tags, changelogs, and GitHub releases based on commit messages.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 16
    fat-aar-android

    fat-aar-android

    A gradle plugin that merge dependencies into the final aar file

    fat-aar-android is a Gradle plugin that allows Android developers to package their AAR (Android Archive) libraries with all of their dependencies included. Normally, AARs do not bundle transitive dependencies, leading to missing classes or resource issues when consumed. This plugin solves that by merging the compile-time dependencies into a single "fat" AAR, streamlining distribution and reuse of libraries in projects where managing dependencies separately isn't ideal.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 17

    Cweed4

    Cweed is a C source file weeder for Windows, written in Win32Forth.

    Cweed is a C source file weeder for Windows, written in Win32Forth. Also available here : https://www.inventio.co.uk/Cweedexe.htm It only changes whitespace (formatting) and does not otherwise change the content of the file. This is analogous to weeding a garden, where the plants are left untouched but the bits between (weeds) may be seriously modified. Cweed is an experiment in specifying a coding standard in the form of an executable program.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    GroIMP

    GroIMP

    Growth-grammar related Interactive Modelling Platform

    ...It exhibits several features which makes itself suitable for the field of biological or ALife modelling: The “modelling backbone” consists in the language XL. It is fully integrated, e.g., the user can interactively select the rules to be applied. GroIMP provides classes that can be used in modelling: Turtle commands, further geometrical classes like bicubic surfaces, the class Cell which has been used in the Game Of Life implementation, and so on. The outcome of a model is visualised within GroIMP. In the visual representation of the model output, users can i
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19

    The Fuck

    Magnificent app which corrects your previous console command

    ...It works by matching these previous commands with a rule. When it finds a match, it creates a new command based on the matched rule and executes this command. It has numerous rules enabled by default, including ones for fixing misspelled commands, fixing wrong commands, spell checking and correcting failed commands, and many, many others. You can also create your own rules and set certain parameters.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 20
    Critters

    Critters

    A Webpack plugin to inline your critical CSS and lazy-load the rest

    It's a little different from other options because it doesn't use a headless browser to render content. This tradeoff allows Critters to be very fast and lightweight. It also means Critters inlines all CSS rules used by your document, rather than only those needed for above-the-fold content. Critters' design makes it a good fit when inlining critical CSS for prerendered/SSR'd Single Page Applications. It was developed to be an excellent compliment to the prerender-loader, combining to dramatically improve first paint time for most Single Page Applications. ...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21

    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
    Last Update:
    See Project
  • 22
    Airbnb JavaScript Style Guide

    Airbnb JavaScript Style Guide

    JavaScript Style Guide

    The Airbnb JavaScript Style Guide is a widely adopted, opinionated, open-source set of coding conventions and best practices for writing readable, maintainable JavaScript (and React/JSX) code, published under the MIT license and assuming usage of modern tooling such as Babel and ESLint. Whichever testing framework you use, you should be writing tests. Strive to write many small pure functions, and minimize where mutations occur. Be cautious about stubs and mocks - they can make your tests...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    eslint-plugin-flowtype

    eslint-plugin-flowtype

    Flow type linting rules for ESLint

    Flow type linting rules for ESLint. This plugin exports a recommended configuration that enforces Flow type good practices. To enable this configuration use the extends property in your .eslintrc config file. ESLint is designed to be flexible and configurable for your use case. You can turn off every rule and run only with basic syntax validation or mix and match the bundled rules and your custom rules to fit the needs of your project.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 24
    .NET Source-Build

    .NET Source-Build

    A repository to track efforts to produce a source tarball of the .NET

    A repository to track efforts to produce a source tarball of the .NET Core SDK and all its components.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    kubernetes-event-exporter

    kubernetes-event-exporter

    Export Kubernetes events to multiple destinations with routing

    This tool allows exporting the often missed Kubernetes events to various outputs so that they can be used for observability or alerting purposes. You won't believe what you are missing. Configuration is done via a YAML file, when run in Kubernetes, ConfigMap. The tool watches all the events and the user has to option to filter out some events, according to their properties. Critical events can be routed to alerting tools such as Opsgenie, or all events can be dumped to an Elasticsearch...
    Downloads: 5 This Week
    Last Update:
    See Project
MongoDB Logo MongoDB