30 open-source projects similar to postmanlabs/postman-app-support, ranked by shared indexed features. Tags may describe platforms or build tools rather than the same primary purpose. Check each project’s use case, license, and deployment requirements before treating it as a replacement.
Newman is a headless API client and command line tool for executing Postman collections. It serves as an API test automation tool and execution engine that allows users to run predefined sets of API requests without a graphical interface. The project differentiates itself as a data-driven testing engine, capable of iterating through request sequences using external JSON or CSV files to validate multiple sets of input values. It also functions as an API execution reporter, utilizing a plugin-based interface to output results in formats such as JSON and JUnit. The tool covers broad capability
Thunder Client is a REST API client extension for VS Code that functions as an HTTP request manager, testing tool, and mocking workspace. It allows users to send requests, organize them into collections, and manage API configurations directly within the editor. The project distinguishes itself through a command-line interface for executing automated test suites in CI/CD pipelines and a Git-based synchronization system for sharing request collections and environment configurations across teams. It also incorporates artificial intelligence to automate the conversion of API scripts during migrat
Insomnia is a cross-platform API development environment that integrates a request debugger, schema design tools, a mocking server, and a test automation framework. It provides a unified workspace for sending requests and analyzing responses across REST, GraphQL, gRPC, and WebSocket protocols. The platform enables the design and preview of API specifications through a visual editor and allows for the simulation of backend behavior using mocking tools. It supports organizing and synchronizing API collections via local storage, cloud synchronization, or Git. The suite includes a command-line i
This is a desktop HTTP client application used for constructing, sending, and analyzing HTTP and GraphQL requests. It provides a graphical interface for API development and testing, including a dedicated GraphQL client with schema-driven autocomplete and validation. The project features an integrated AI assistant that generates API requests from natural language prompts. It supports a complex organization system of spaces and collections with hierarchical authentication inheritance and recursive variable resolution for dynamic request values. The tool covers a broad range of capabilities, in
Postcat is an integrated platform for API design and documentation, serving as a REST API client and a mock server. It provides a workspace to define technical requirements and data schemas, allowing development teams to align on interface behavior. The platform features a plugin architecture that enables the integration of third-party tools and custom capabilities. It decouples frontend and backend development cycles by generating simulated server responses based on predefined data structures. The toolset includes an environment management system for switching between development, staging,
Hoppscotch is an open-source API development ecosystem designed for building, testing, and debugging REST, GraphQL, and real-time APIs. It provides a unified platform that functions across web browsers, desktop applications, and command-line interfaces, allowing developers to manage the entire API lifecycle from a single environment. The platform distinguishes itself through a highly interactive, command-driven interface that utilizes a global spotlight palette and keyboard shortcuts to streamline complex workflows. It supports advanced request manipulation and validation by executing JavaScr
AFNetworking is an Objective-C networking library for Apple platforms, including iOS, macOS, watchOS, and tvOS. It functions as an HTTP client that manages remote server communication by wrapping the system loading framework to handle requests and responses. The library provides specialized security and identity tools, featuring SSL certificate pinning for server trust validation and the implementation of standardized OAuth authentication flows. It further distinguishes itself with network reachability monitoring to track interface availability and request mocking capabilities to simulate ser
urllib3 is a Python HTTP client library used for sending network requests and receiving responses. It functions as an HTTP connection pool manager and a TLS certificate validator to ensure secure communication between endpoints. The library provides a system for maintaining reusable network connections to reduce the overhead of repeated handshakes. It also serves as an HTTP proxy client capable of routing requests through proxy servers to manage origin identity or bypass firewalls. The tool covers programmatic file uploads via multipart encoding and automated network resilience through the u
Posting is a terminal-based HTTP request manager designed for developing, testing, and documenting API endpoints. It functions as a keyboard-driven interface that allows users to execute requests, manage collections, and inspect server responses directly within the command line environment. By storing request configurations as plain text files on the local filesystem, the tool ensures that API definitions remain compatible with standard version control systems. The project distinguishes itself by treating API collections as version-controlled assets, enabling users to migrate existing workflo
Hurl is a command line HTTP testing tool and REST API test runner that uses a declarative, plain-text format to specify HTTP requests and responses. It functions as a client for continuous integration pipelines, allowing users to describe request sequences without a full programming language. The tool distinguishes itself by sequencing HTTP calls and verifying responses through matchers and variable capture. It maintains a stateful variable store, enabling data extracted from one response to influence subsequent requests within a workflow. The system covers API integration testing and REST w
Zepto is a minimalist JavaScript toolkit providing an API for DOM manipulation, event handling, and asynchronous HTTP requests. It functions as a jQuery-compatible library, allowing developers to select, modify, and animate HTML elements using a concise and chainable syntax. The library includes an asynchronous HTTP client for exchanging data with remote servers without triggering page reloads and a browser-based event handler that supports standard mouse events and mobile touch gestures. Its capability surface covers CSS selector-based querying, element transition animations, and the serial
Eloquent-JavaScript is a comprehensive JavaScript programming textbook and interactive coding tutorial designed for web development education. It serves as both a language reference and a practical guide, combining theoretical lessons with an environment where learners can execute and modify code examples. The project focuses on the fundamental principles of the JavaScript language, including lexical scoping, prototype-based inheritance, and asynchronous patterns. It provides detailed instruction on object-oriented programming, functional programming, and the use of the browser DOM to create
Axios is a promise-based HTTP client used to make asynchronous network requests in both browser and Node.js environments. It functions as a multi-environment network adapter that abstracts the transport layer to ensure consistent behavior across different runtimes. The project distinguishes itself through a request lifecycle management system that allows for the cancellation of active requests, the setting of timeouts, and the monitoring of upload and download transfer progress. It includes a mechanism for intercepting network traffic, enabling the transformation of outgoing requests and inco
Swagger Editor is a web-based authoring tool and development environment used to design, document, and validate API specifications. It specifically supports the OpenAPI Specification, providing a browser interface for writing API schemas and verifying their structure. The tool features real-time rendering that produces a visual preview of the API documentation as the specification is edited. It includes syntax highlighting based on standardized schemas to improve the readability of the API definitions. The editor supports importing specifications from files, external URLs, or example fixture
Ombi is a media request management system that coordinates content discovery between users, media servers, and download managers. It acts as a middleware layer to automate the process of requesting, approving, and acquiring movies, music, and TV shows. The project differentiates itself by acting as an integration layer that synchronizes libraries and user accounts across multiple media server instances. It features a content request orchestrator that supports voting-based automatic approval and the ability to import active requests directly from external watchlists. The platform covers a bro
🌳 Tiny & elegant JavaScript HTTP client based on the Fetch API
Reqable is a cross-platform network debugging tool that functions as an HTTP/HTTPS debugging proxy, a REST API client, and a traffic replay tool. It captures, inspects, and modifies live traffic using a local MITM proxy engine, supports VPN tunnel capture for mobile devices, and provides a Python scripting sandbox for custom traffic processing. The application is available on Windows, macOS, Linux, iOS, and Android. The tool distinguishes itself by combining traffic interception with breakpoint-based request modification, allowing users to pause live HTTP traffic for manual inspection and alt
This is a Visual Studio Code extension that lets developers compose, send, and inspect HTTP requests directly from within the editor. It uses .http and .rest files as executable request definitions, parsing each block of text into a complete HTTP request that is dispatched via Node.js built-in HTTP modules without requiring a separate server process. The extension renders full HTTP responses with syntax-highlighted body, status line, and headers in a dedicated editor tab or side panel. The extension supports multiple authentication schemes including Basic, Digest, SSL certificates, Azure
Insomnia is a desktop application designed for the design, testing, and debugging of network requests. It serves as a comprehensive environment for managing the API lifecycle, allowing users to draft interface specifications, simulate endpoints, and execute automated testing workflows within continuous integration pipelines. The platform distinguishes itself through a modular, plugin-based architecture that enables the integration of custom scripts and external tools. It supports complex development needs by providing a local-first data persistence model, environment-variable substitution for
yapi is an API management platform designed to coordinate the development of RESTful APIs between frontend, backend, and quality assurance teams. It functions as a centralized system for documenting interface specifications, simulating server responses, and validating requests through a built-in testing client. The platform features an API code generator that transforms interface specifications into typed request functions and data models across multiple programming languages. It also includes a mock server capable of generating synthetic responses using schema-based generators and rule-based
This project is a library of automation scripts designed for the BoxJs environment. It functions as an external API client and integration interface for interacting with remote servers. The system provides a persistent local data store to maintain state between script executions by saving and retrieving strings and JSON objects. It enables data exchange through structured JSON objects and supports both synchronous and asynchronous network requests using custom headers.
Codeception is a full-stack testing framework for PHP applications that provides a unified interface for unit, functional, and acceptance testing. It serves as a tool for automating real desktop and mobile browsers via the WebDriver protocol and acts as a client for testing REST and SOAP APIs. The framework is distinguished by its support for Behavior-Driven Development, allowing users to write human-readable test specifications in Gherkin language to align technical tests with business requirements. It implements actor-based action mapping to connect these natural language steps to executabl
Android Tech Frontier is a project that periodically translates high-quality English Android development articles into Chinese for the developer community. Its core identity is as a translation pipeline that covers topics including Android internals, open-source libraries, software architecture, and testing methodologies. The project distinguishes itself by providing Chinese translations of technical content that spans Android view hierarchy analysis, HTTP request execution patterns, proxy creation techniques, and image loading configuration. It also covers UI layout solutions such as nesting
Cronicle is a distributed job scheduler that replaces traditional cron with a browser-based management interface. It runs scheduled tasks across a cluster of servers with automatic failover, using a custom cron parser that intersects day-of-month and day-of-week constraints when both are specified. The system executes jobs through a plugin framework that runs command-line scripts in any language, communicating via JSON over standard input and output. The scheduler provides a web-based real-time dashboard for monitoring running jobs with live logs, resource usage charts, and progress updates.
This project provides a web-based integrated development environment for defining, documenting, and simulating software interface specifications. It serves as a browser-based modeling tool that enables teams to create structured API contracts using the RAML modeling language. The environment distinguishes itself through its modular design, which allows the modeling interface to be embedded directly into existing web applications and developer portals. It supports a plugin architecture that enables the integration of custom persistence layers and metadata handlers, allowing teams to attach pro
Jodd is a suite of lightweight Java extensions and standard library utilities designed for application configuration, database mapping, dependency injection, and HTML parsing. It provides a consolidated set of core tools to facilitate Java development with a zero-dependency core to ensure compatibility and a small footprint across environments. The project features a pragmatic dependency injection container for managing object lifecycles and a database mapper that uses SQL templates to map result sets directly to Java objects. It includes a specialized configuration manager supporting profile
Scala is a statically typed programming language and compiler that combines object-oriented and functional programming paradigms. It serves as a cross-platform runtime language capable of targeting the Java Virtual Machine and JavaScript to share logic between backend servers and web frontends. The project provides a functional programming framework with immutable data structures and higher-order functions to build reliable concurrent and distributed applications. It distinguishes itself through deep interoperability with Java and JavaScript ecosystems and the ability to transform code into n
Seed is a frontend framework for building single-page applications using Rust and WebAssembly. It provides a virtual DOM rendering engine and a component-based UI library to construct modular, reusable interface elements. The framework implements a unidirectional data flow model based on the Elm architecture to ensure type-safe state management and predictable state transitions. It utilizes compile-time macros to transform declarative UI definitions into efficient instructions for the browser. The project covers a broad range of web capabilities, including application routing, content intern
Steampipe is a cloud infrastructure query engine and API-to-SQL mapper that translates REST and GraphQL API responses into relational rows and columns. It allows for the retrieval and joining of real-time data from multiple cloud service providers using a relational database interface. The project functions as a PostgreSQL foreign data wrapper and an SQLite API extension, mapping external API endpoints to virtual tables. This enables the use of standard SQL to query live cloud services and aggregate data from different providers and service accounts into a single unified dataset. The system
This project is a technical study and analysis guide focused on the internal architecture of Node.js. It provides an in-depth examination of the runtime, focusing on how the engine manages memory handles, executes asynchronous operations, and implements core module logic. The guide specifically analyzes the integration of native C++ classes and functions into JavaScript and documents the behavior of the libuv event loop. It includes detailed references for optimizing performance by identifying V8 compiler bailouts and profiling execution to improve resource efficiency. The material covers a