Open-source alternatives to Http Prompt

HTTPie is a command-line HTTP client designed for sending requests to web services and APIs. It functions as a terminal-based web client and JSON API interface, allowing users to interact with RESTful services and download remote files directly from the console. The tool simplifies the interaction with APIs through a custom syntax for argument parsing and automatic JSON payload serialization. It includes a request debugger to verify the structure of a request before transmission and uses ANSI-based formatting to display server responses with color and indentation for improved readability. Th

Curlie is a terminal-based HTTP client and debugging tool used for executing network requests and interacting with REST APIs. It provides a command line interface for sending requests using simplified syntax, with a specific focus on interacting with JSON services. The tool distinguishes itself by converting simplified interactive requests into standard curl commands for external reproduction and sharing. It also features unbuffered data streaming to monitor server responses in real time as they arrive. The project covers a broad range of API testing capabilities, including request prototypi

This is a Ruby HTTP client designed for REST API integration, resource modeling, and automated network communication. It provides a set of tools for managing headers, cookies, and SSL configurations, along with a dedicated command-line interface for executing one-off HTTP commands and managing interactive API testing sessions. The project differentiates itself through its resource modeling capabilities, which allow for the definition of persistent base URLs and credentials to construct nested subresource endpoints. It also features a multipart request handler that detects MIME types to upload

json-server is a development toolset used to simulate a full REST API from a JSON file. It functions as a customizable mock API server that allows for the simulation of CRUD operations and resource relationships without the need to write backend code. The project enables rapid prototyping by generating a fake backend that persists data changes back to a local JSON file. It distinguishes itself by providing a static asset file server to deliver local documents, images, and stylesheets alongside the mock API endpoints. The server includes capabilities for data querying, such as parameter-based

HTTP Prompt is an interactive command-line HTTP client built on top of HTTPie, providing a read-eval-print loop (REPL) shell for exploring and testing APIs. It wraps HTTPie's request-building and response-parsing capabilities into a persistent session that tracks current URL, headers, and other context, enabling rapid iteration on API calls without leaving the terminal. The tool distinguishes itself through its interactive shell environment, which includes context-aware tab completion for HTTP methods, URLs, headers, and body parameters, along with terminal-based syntax highlighting for both

This project is a terminal-based HTTP client designed for interacting with web services, debugging APIs, and automating network requests. It provides a specialized command-line interface that simplifies the construction of complex HTTP exchanges, allowing users to test and inspect web services directly from the shell. The tool distinguishes itself through a declarative syntax engine that translates shorthand command-line tokens into fully formed HTTP requests, including headers, parameters, and body payloads. It features a modular, plugin-based architecture that enables users to extend core f

xh is a command-line HTTP client used for sending network requests, testing REST APIs, and debugging connections. It functions as a terminal-based tool for executing requests with custom headers and bodies, while providing built-in formatting for network responses. The project includes a generator that converts configured network requests into equivalent shell commands for use in a standard terminal. It also features a response formatter that applies syntax highlighting and custom formatting to response headers and bodies to improve readability. The tool covers a broad range of network capab

Oils is a Unix shell interpreter and scripting language runtime that combines a modern shell language with POSIX and Bash compatibility. It functions as a structured data shell, integrating JSON and J8 formats to manage complex data without relying on string parsing. The system is distinguished by a C++ transpiled interpreter that converts a subset of Python source code into strongly typed C++ for high-performance execution. It features a garbage-collected typed runtime that supports prototype-based polymorphism, lexical closures, and reference-based variable mutation. To decouple shell logic

Promptui is a Go library for building interactive command-line prompts, providing components for collecting text input with validation, presenting scrollable selection lists, and enabling dynamic addition of list items. It serves as a toolkit for creating terminal user interfaces where users can navigate menus, search options, and enter text with live validation and masking. The library implements interactive prompts through a synchronous blocking I/O model combined with ANSI cursor control and terminal-event-driven rendering, allowing for real-time UI updates. Its template-driven output form

Inquirer.js is a command line input framework and prompt library for Node.js applications. It provides a structured set of tools for building interactive terminal interfaces, including menus, checklists, and text inputs, to gather user data and manage complex interactions. The framework allows for the creation of dynamic user experiences through branching prompt logic and the resolution of asynchronous configurations. Users can define custom prompts using a provided API and localize interface text into different languages. The library covers a wide range of input capabilities, including sing

Yaak is a cross-platform desktop client and command-line utility designed for developing, testing, and debugging API endpoints. It supports multi-protocol request execution for REST, GraphQL, and gRPC services, providing a unified environment for managing network interactions, authentication credentials, and automated testing workflows. The tool distinguishes itself through a local-first architecture that stores all workspace configurations and request definitions directly on the filesystem. This design enables native integration with version control systems like Git, allowing teams to track

This project is a PHP framework designed for building interactive command-line applications and automation tools. It provides a structured environment for developers to construct console interfaces that handle user input and terminal output, facilitating the management of system-level operations and repetitive development tasks. The framework utilizes a command-pattern dispatching system that maps terminal arguments to executable classes, supported by a dependency-injection container to manage service lifecycles. It incorporates reflective metadata discovery to automatically extract command d

httpx is a suite of tools and libraries for HTTP reconnaissance, infrastructure discovery, and DNS resolution. It functions as a command line toolkit for extracting metadata and status codes from HTTP targets and CIDR ranges, as well as a Go library for integrating these probing capabilities into custom programs. The project distinguishes itself through specialized infrastructure profiling, using TLS fingerprinting to extract JARM hashes and certificate details. It identifies underlying components such as CDN usage, Autonomous System Numbers, and CNAMEs to map web server software and infrastr

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,

This project is a command line AI client and API wrapper designed to facilitate interaction with a large language model. It functions as a terminal interface for sending multi-line prompts and receiving generated text, providing a means of conversational AI integration through a programmable interface. The system utilizes a reverse-engineered API interface and HTTP-based request simulation to communicate with the model. It includes an AI plugin manager that allows for the installation and management of external extensions to increase the functional capabilities of the language model. The imp

Swagger UI is an OpenAPI specification renderer and documentation interface that transforms JSON or YAML API definitions into a navigable, searchable website. It functions as an OpenAPI documentation UI and request client, providing a visual catalog for exploring endpoints and sending live HTTP requests to a server using a schema-defined interface. The project distinguishes itself through a plugin-based extension system and a schema-driven UI generation model. This architecture allows for the injection of custom components, state selectors, and helper functions to modify core behavior and lay

gin-swagger is a Swagger UI middleware for the Gin web framework that serves as an OpenAPI 2.0 documentation generator. It provides an interactive REST API sandbox and a browser-based interface for visualizing API contracts and testing endpoints. The project allows for the hosting of multiple API definitions on a single router by assigning each a unique name. It enables the customization of the interface's visual presentation and behavior, including the control of expansion depth and authorization persistence. The middleware intercepts routes to deliver API definitions as JSON payloads and e

httpstat is a command-line utility for executing HTTP requests and analyzing network timing, response metadata, and connection performance. It serves as a diagnostic tool and debugger for inspecting HTTP headers and response bodies through a terminal interface. The tool focuses on performance analysis by measuring the latency of secure web requests, including the overhead of the TLS handshake and general connection timing. It provides color-coded output to visually separate request and response metadata for human analysis. The utility covers API integration testing and network troubleshootin

Feign is a declarative Java HTTP client that automates the generation of web service clients. It allows developers to define REST API endpoints using interfaces and annotations, removing the need to write manual request and response boilerplate code. The project uses dynamic proxies to map method calls to HTTP request templates. It features a pluggable pipeline of encoders and decoders to transform Java objects into request bodies and convert response bodies back into type-safe objects. The library covers a broad range of integration capabilities, including request interception for header ma

MiniOB is an open-source educational relational database kernel designed for learning the internals of database systems. It implements a dual-engine storage architecture combining B+ Tree and LSM-Tree, supports SQL parsing and query execution, and provides transactional processing with multi-version concurrency control. The system communicates with clients using the MySQL wire protocol and includes a vector database extension for storing and querying high-dimensional vectors. The project distinguishes itself through its comprehensive coverage of core database concepts in a single, learnable c

Terratest is a Go library and testing framework designed for automating the deployment, validation, and destruction of infrastructure stacks. It serves as a cloud resource verification tool that interacts with provider APIs and executes remote shell commands to ensure infrastructure definitions are correctly configured. The framework provides specialized support for validating Terraform modules and Kubernetes deployments, including the verification of container orchestration manifests and Helm charts. It distinguishes itself through the use of Docker container utilities for script execution a

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

Linenoise is a lightweight C library for terminal line editing, command history management, and asynchronous input processing. It functions as a self-contained alternative for capturing user input from the command line without requiring external dependencies. The utility provides a non-blocking input processor that handles keyboard data via a feed mechanism, allowing applications to process user typing and external events simultaneously. It supports the implementation of custom shells and REPLs through features such as callback-based autocompletion, input hinting, and a circular history buffe

This project is a web-based documentation viewer and interactive console designed to render API specifications into browser-based interfaces. It provides a framework for exploring endpoints, managing authorization flows, and executing live test requests directly against defined services. By parsing specification files into structured data models, the tool generates dynamic interfaces that allow developers to interact with API definitions in real time. The console is built as a library of reusable web components, enabling developers to embed documentation viewers into existing web applications

ConEmu is a console multiplexer and terminal emulator for Windows that organizes multiple command-line sessions into a single interface using tabs and split panes. It functions as a customizable environment for executing shells and legacy applications. The project includes a drop-down console interface that toggles between a hidden state and a full-width top-screen overlay. It supports the execution of legacy DOS applications on modern operating systems through integrated emulation layers. The application covers terminal customization for fonts and visual styling, window display mode managem

🕷 Super-agent driven library for testing node.js HTTP servers using a fluent API. Maintained for @forwardemail, @ladjs, @spamscanner, @breejs, @cabinjs, and @lassjs.

Evans is a gRPC client and API explorer designed for testing, debugging, and automating remote procedure calls. It functions as an interactive client and a stateless command line utility for executing gRPC methods and inspecting remote server API surfaces. The tool provides specialized support for the gRPC-Web protocol to facilitate communication with web-based implementations. It enables the discovery of services and message structures through server reflection or definition files, and supports the management of unary, client-side, server-side, and bidirectional streaming communication. The