Open-source alternatives to SwiftyStoreKit

A modern In-App Purchases management framework for iOS.

Agentic is a tool marketplace and management platform designed for the Model Context Protocol. It provides a gateway and proxy that enables the discovery, publishing, and distribution of vetted tools for agentic AI frameworks. The platform specializes in Model Context Protocol monetization, allowing developers to transform services into paid products through integrated authentication, usage-based billing, and subscription management. It also includes a converter that transforms OpenAPI specifications into compatible protocol servers for use in AI workflows. The system covers a broad range of

This project is a PHP-based digital product automation platform designed for the sale and instant delivery of digital goods and software licenses. It functions as an automated storefront engine that manages inventory, flash sales, and the delivery of account keys. The platform is delivered as a dockerized e-commerce environment, packaging the application, database, and cache layers into containers for consistent deployment. It features a plugin-based architecture for integrating multiple payment gateways and a multi-level affiliate system for tracking referrals and distributing recruitment co

xianyu-auto-reply is a Python and FastAPI automation framework designed for the Xianyu marketplace. It serves as a comprehensive system for automating customer service, product listings, and order fulfillment. The project integrates large language models to generate context-aware responses to buyer inquiries and utilizes a cookie-based session management system to handle multiple concurrent user accounts. It also functions as a digital goods delivery system that automatically sends coupons and virtual items to customers after a purchase is completed. The framework covers a wide range of e-co

Novel-Plus is a content management system and online reading platform designed for hosting, managing, and distributing web novels across PC and mobile web interfaces. It provides a comprehensive environment for web novel publishing, featuring a multi-platform reader with bookshelves, customizable themes, and community commenting systems. The platform integrates an automated content crawler to gather and update literary data from external remote sources and employs a scalable text storage system using database sharding and flat files to handle large volumes of content. It also includes an inte

Kill Bill is a subscription billing platform and usage-based billing engine designed to manage recurring invoicing and automated payment collection. It functions as a multi-tenant billing infrastructure, providing isolated environments for different organizational entities through a dedicated API. The system is distinguished by a plugin-based extension framework that allows for the integration of third-party payment gateways and custom business logic. It includes a payment gateway orchestrator to handle transactions and refunds, as well as a revenue recognition system to allocate contract rev

River is a transactional job queue and distributed job scheduler for Go that uses PostgreSQL for persistence and state management. It functions as a resumable task framework, allowing long-running background work to be broken into persisted steps that can resume from the last saved checkpoint after a failure. The system ensures strict data consistency by allowing background tasks to be enqueued and completed within the same database transaction as the primary application data. It distinguishes itself through a coordinator model that employs leader election to manage periodic and delayed tasks

nit is a blockchain asset provenance platform and decentralized asset registry. It establishes a verifiable chain of custody for digital media by assigning cryptographically unique identifiers to files and recording their origin, ownership, and modification history on a ledger. The project distinguishes itself by integrating IPFS for decentralized storage and a content versioning system that tracks asset evolution through immutable commits. It includes specialized tooling for generative AI provenance tracking, allowing the recording of creators and tools used in synthetic media to maintain a

RocketMQ is a cloud-native distributed messaging platform and streaming engine. It functions as a distributed transactional queue that ensures atomicity between local transactions and message delivery, and serves as an MQTT IoT message broker to bridge lightweight device traffic into high-performance data streams. The system is distinguished by a Kubernetes-native architecture that decouples compute from storage to allow independent scaling of traffic and data retention. It utilizes a tiered storage model to offload older data to remote storage and employs quorum-based replication and automat

Helios is a mobile backend as a service providing a server-side platform to manage user accounts, push notifications, and data synchronization for mobile applications. It functions as a REST API framework that automatically generates database tables and standard web service endpoints from defined data models. The project implements specialized services for the Apple ecosystem, including a Passbook service for managing digital passes and device registration. It also provides an in-app purchase verification service to decode purchase receipts and validate product identifiers through external ve

Capacitor is a cross-platform mobile framework that enables developers to build native applications using web technologies. It functions as a hybrid app container, wrapping web assets within a native runtime that provides a standardized bridge to device hardware and system-level services. By exposing native functionality through a plugin-based architecture, it allows web applications to access platform-specific features while maintaining a consistent interface across mobile and desktop environments. The project distinguishes itself by maintaining native project files as source assets, allowin

InsForge is a backend-as-a-service platform that provides an integrated suite of tools for managing relational databases, identity provision, object storage, and serverless compute. It functions as an open-source identity provider and a PostgreSQL database manager featuring integrated vector storage and row-level security. The platform serves as an LLM orchestration gateway, offering a unified endpoint to route requests across various AI providers through an OpenAI-compatible interface. It enables AI-driven application generation and connects AI agents to backend resources using a standardize

This project is a web-based manga and novel downloader and multi-site web scraper designed to extract images and text from diverse media platforms. It functions as a digital media archiver and EPUB e-book generator, using a plugin-based crawler architecture with site-specific scripts to define how content is extracted from various international websites. The system distinguishes itself through authenticated web crawling, using browser cookie simulation to access restricted or member-only content. It includes specialized capabilities for digital comic archiving, which organizes image sequences

Seata is a distributed transaction coordinator designed to ensure data consistency and atomicity across microservices. It provides a centralized framework for managing global transactions, preventing partial data updates across different databases and services. The project implements multiple transaction modes to balance consistency and performance. This includes an automatic mode that uses rollback logs to coordinate compensation without modifying business logic, a try-confirm-cancel pattern for resources lacking native ACID support, and a saga orchestration engine for managing long-lived bu

JUCE is a comprehensive C++ audio framework and digital signal processing library used to build cross-platform audio applications, audio plug-ins, and high-performance user interfaces. It serves as a development kit for creating audio processors compatible with industry-standard plugin formats for digital audio workstations, as well as a tool for MIDI and Open Sound Control communication between musical hardware and software. The framework is distinguished by its ability to maintain a single codebase for native desktop and mobile applications across multiple operating systems. It provides a f

This repository is a comprehensive collection of reference implementations and sample libraries for the Universal Windows Platform. It provides practical examples of how to use Windows Runtime APIs to build cross-device applications, including detailed guidance on XAML-based declarative user interfaces and DirectX-integrated rendering. The project distinguishes itself by providing a wide array of hardware integration suites, covering low-level communication with USB, Serial, I2C, SPI, and GPIO peripherals. It includes specialized implementations for mixed reality holographic rendering, advanc

This project is a software engineering style guide and a curated collection of architectural patterns and coding standards. It provides a multi-language coding standard to ensure maintainable software across Ruby, Python, JavaScript, and Swift. The project establishes a development workflow specification for version control, continuous integration, and peer review to maintain a linear project history. It also includes a web accessibility framework based on ARIA and WCAG standards, using design tokens and semantic HTML patterns to build inclusive interfaces. The guides cover a broad range of

WeiXinMPSDK is a .NET software development kit designed to integrate WeChat services, official accounts, and mini programs into applications. It provides a multi-platform bot framework and a programmatic interface to interact with official, mini, and corporate accounts across the WeChat ecosystem. The project features interface-based platform abstraction and logic unification, allowing a single codebase to target multiple target platforms. It includes a messaging middleware for routing incoming requests and a distributed caching layer using providers like Redis or Memcached to synchronize ses

LibGDX is a Java-based framework designed for cross-platform game development, enabling the creation and deployment of 2D and 3D games across desktop, mobile, and web environments from a single codebase. It functions as a comprehensive library that abstracts hardware-accelerated graphics, audio, input, and file system access, providing a unified interface for developers to manage game logic and application lifecycles. The framework distinguishes itself through a high-performance architecture that prioritizes efficiency and native interoperability. It utilizes a batch-oriented graphics pipelin

⭐️ A tiny library for iOS and macOS to request reviews on the App Store. This is a wrapper around the native SKStoreReviewController.

A Payment Card UI & Validator for iOS

Bank Card Generator with Swift using SnapKit DSL 💳

Build, Measure and Grow iOS subscription business

Easily integrate Credit Card payments module in iOS App. Swift 4.0

A Simple and Lightweight framework for In App Purchase (Store Kit 1)

Frames iOS: making native card payments simple

A framework to add patronage to your apps.