Compare Rocket Source to these popular alternatives based on real-world usage and developer feedback.

Canopy API is a powerful developer platform that provides real-time Amazon product data, including titles, attributes, ratings, and variations. It also exposes accurate Amazon price data and historical pricing trends so you can track competition and identify profitable opportunities. With built-in access to Amazon deals data, the API makes it easy to surface Lightning Deals, coupons, and fast-moving discounts. Developers can integrate the Amazon REST API or the optimized Amazon GraphQL API layer depending on their workflow, enabling ultra-fast querying across multiple endpoints. Canopy also delivers comprehensive Amazon seller data, from seller profiles and ratings to buy box information. Its advanced search endpoints give you structured Amazon search data for keywords, categories, and marketplace relevance, making it ideal for price comparison tools, affiliate sites, analytics dashboards, and e-commerce automation. If you need a flexible, high-speed way to pull reliable data from Amazon marketplaces, Canopy API is one of the most complete solutions available.

It is the only complete API development environment, used by nearly five million developers and more than 100,000 companies worldwide.

Shopify powers tens of thousands of online retailers including General Electric, Amnesty International, CrossFit, Tesla Motors, Encyclopaedia Britannica, Foo Fighters, GitHub, and more. Our platform allows users to easily and quickly create their own online store without all the technical work involved in developing their own website, or the huge expense of having someone else build it. Shopify lets merchants manage all aspects of their shops: uploading products, changing the design, accepting credit card orders, and viewing their incoming orders and completed transactions.

WooCommerce is the most popular WordPress eCommerce plugin. And it's available for free. Packed full of features, perfectly integrated into your self-hosted WordPress website.

Magento Community Edition is perfect if you’re a developer who wants to build your own solution with flexible eCommerce technology. You can modify the core code and add a wide variety of features and functionality.

Insomnia is a powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux.

It is probably the most popular HTTP client library for .NET. Featuring automatic serialization and deserialization, request and response type detection, variety of authentications and other useful features

It is a publicly available application programming interface that provides developers with programmatic access to a proprietary software application or web service.

It is a true all-in-one ecommerce platform with the power to grow your business & help you sell more. It empowers you to rise above complexity – and ultimately focus on optimizing your business for growth.

PrestaShop is written in PHP, is highly customizable, supports all the major payment services, is translated in many languages and localized for many countries, and is fully responsive (both front- and back-office).

It is a highly scalable, cloud-based software-as-a-service (SaaS) ecommerce solution. It offers best-in-class features and functionality developed and refined over many years to provide a highly optimised ecommerce experience. Deliver AI-powered commerce experiences.

It is a suite of widget-like apps free to install on any HTML or popular CMS-based website. Designed to grow traffic and maximize content engagement, users can install tools including List Builder, Heat Maps and Share from a single plugin.

It is an online store management system. It is PHP-based, using a MySQL database and HTML components. Support is provided for different languages and currencies. It is freely available under the GNU General Public License.

Retrofit turns your HTTP API into a Java interface

It is a business management software including CRM, e-commerce, billing, accounting, manufacturing, warehouse, project management, and inventory management.

It defines a standard, language-agnostic interface to RESTful APIs which allows both humans and computers to discover and understand the capabilities of the service without access to source code, documentation, or through network traffic inspection.

It is an open source functional Testing tool for API Testing. It supports multiple protocols such as SOAP, REST, HTTP, JMS, AMF and JDBC. It supports functional tests, security tests, and virtualization.

API management, design, analytics, and security are at the heart of modern digital architecture. The Apigee intelligent API platform is a complete solution for moving business to the digital world.

Paw is a full-featured and beautifully designed Mac app that makes interaction with REST services delightful. Either you are an API maker or consumer, Paw helps you build HTTP requests, inspect the server's response and even generate client code.

It is a Swift-based HTTP networking library for iOS and macOS. It provides an elegant interface on top of Apple's Foundation networking stack that simplifies a number of common networking tasks.

It is an open source project which allows generation of API client libraries (SDK generation), server stubs, and documentation automatically from an OpenAPI Specification.

Combines API test-automation, mocks and performance-testing into a single, unified framework. The BDD syntax popularized by Cucumber is language-neutral, and easy for even non-programmers. Besides powerful JSON & XML assertions, you can run tests in parallel for speed - which is critical for HTTP API testing.

RESTful API Modeling Language (RAML) makes it easy to manage the whole API lifecycle from design to sharing. It's concise - you only write what you need to define - and reusable. It is machine readable API design that is actually human friendly.

It is the open-source eCommerce solution. It has everything you need to get started in selling physical and digital goods over the internet.
Charles is a web proxy (HTTP Proxy / HTTP Monitor) that runs on your own computer. Your web browser (or any other Internet application) is then configured to access the Internet through Charles, and Charles is then able to record and display for you all of the data that is sent and received.

Shopware 6 is an open headless commerce platform powered by Symfony 5.4 and Vue.js 2.6. Check out our GitHub Repository https://github.com/shopware/platform

Created with <3 for front-end developers who need a quick back-end for prototyping and mocking.

Keep tabs on all aspects of your API's performance with uptime monitoring, integration testing, logging and real-time monitoring.

Newman is a command-line collection runner for Postman. It allows you to effortlessly run and test a Postman collection directly from the command-line. It is built with extensibility in mind so that you can easily integrate it with your continuous integration servers and build systems.

The automatic type-safe REST library for .NET Core, Xamarin and .NET. Heavily inspired by Square's Retrofit library, It turns your REST API into a live interface.

It is a free web debugging proxy for any browser, system or platform. It helps you debug web applications by capturing network traffic between the Internet and test computers. The tool enables you to inspect incoming and outgoing data to monitor and modify requests and responses before the browser receives them.

Stop writing thousands of lines of specification code. Our intuitive visual editors significantly cut down on design time, and are spec agnostic. Generate OAI (Swagger) and RAML specification code on demand.

API Blueprint is simple and accessible to everybody involved in the API lifecycle. Its syntax is concise yet expressive. With API Blueprint you can quickly design and prototype APIs to be created or document and test already deployed mission-critical APIs.

It is a complete, modern, intuitive and scalable API platform that lets you create, securely expose, manage and monetize APIs across clouds so that you and your customers can power digital applications and spur innovation.

Appwrite's open-source platform lets you add Auth, DBs, Functions and Storage to your product and build any application at any scale, own your data, and use your preferred coding languages and tools.

Saleor is a rapidly-growing open source e-commerce platform that has served high-volume companies from branches like publishing and apparel since 2012. Based on Python and Django, the latest major update introduces a modular front end powered by a GraphQL API and written with React and TypeScript.

It delivers the only complete open source middleware platform. With its revolutionary componentized design, it is also the only open source platform-as-a-service for private and public clouds available today. With it, seamless migration and integration between servers, private clouds, and public clouds is now a reality.

The Spree storefront offers a full feature set and is built on common standards, so you don't have to compromise speed to market, efficiency or innovation. The modular platform allows you to easily configure, supplement or replace any functionality you need, so that you can build the exact storefront that you want.

It is a software vendor for free and open-source customer experience management, digital asset management, product information management, multi-channel publishing and e-commerce software.

Generate real Swagger/OpenAPI 2.0 specifications from a Django Rest Framework API.

HTTP is the way modern applications network. It’s how we exchange data & media. Doing HTTP efficiently makes your stuff load faster and saves bandwidth.

It is an integrated API Development platform, built for teams, that brings the core capabilities of the Swagger framework to design, build, document and deploy APIs.

Legible & concise status badges for third-party codebase services.

Vue Storefront is a standalone PWA storefront for your eCommerce, possible to connect with any eCommerce backend (eg. Magento, Pimcore, Prestashop or Shopware) through the API.

It allows you to easily build & consume fully typesafe APIs without schemas or code generation. It is well-tested and production ready. Experience the full power of TypeScript inference to boost productivity for your full-stack application.

Its core functionality is to create an API that acts as an aggregator of many microservices into single endpoints, doing the heavy-lifting automatically for you: aggregate, transform, filter, decode, throttle, auth and more.

It is a code-first tool for testing HTTP and message integrations using contract tests. Contract tests assert that inter-application messages conform to a shared understanding that is documented in a contract. Without contract testing, the only way to ensure that applications will work correctly together is by using expensive and brittle integration tests.

It is a free, fast, and beautiful alternative to Postman. It helps you create your requests faster, saving you precious time on your development.

It is a free, fast and beautiful API request builder. It helps you create requests faster, saving precious time on development

It is an e-commerce platform that enables its consumers to sell effectively in the B2B and B2C markets. It is designed to handle high traffic and order volumes. It’s flexible and scalable, so you can quickly add new components to the platform when your needs change and your business grows. And as the technology is based on standards, it’s simple and cost-effective to manage.