Browse free open source HTTP Clients and projects for Mac below. Use the toggles on the left to filter open source HTTP Clients by OS, license, language, programming language, and project status.

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  • 1
    aria2

    aria2

    aria2 is a lightweight multi-protocol & multi-source download utility

    aria2 is a lightweight multi-protocol & multi-source command-line download utility. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink. aria2 can be manipulated via built-in JSON-RPC and XML-RPC interfaces. aria2 can download a file from multiple sources/protocols and tries to utilize your maximum download bandwidth. Really speeds up your download experience. aria2 doesn’t require much memory and CPU time. When disk cache is off, the physical memory usage is typically 4MiB (normal HTTP/FTP downloads) to 9MiB (BitTorrent downloads). CPU usage in BitTorrent with a download speed of 2.8MiB/sec is around 6%. aria2 supports The Metalink Download Description Format (aka Metalink v4), Metalink version 3, and Metalink/HTTP. Metalink offers the file verification, HTTP/FTP/SFTP/BitTorrent integration and various configurations for language, location, OS, etc.
    Downloads: 52 This Week
    Last Update:
    See Project
  • 2
    Gopeed

    Gopeed

    High speed downloader that supports all platforms

    Gopeed (full name Go Speed), a high-speed downloader developed by Golang + Flutter, supports (HTTP, BitTorrent, Magnet) protocol, and supports all platforms. This project is divided into two parts, the front end uses flutter, the back end uses Golang, and the two sides communicate through the http protocol. On the unix system, unix socket is used, and on the windows system, tcp protocol is used.
    Downloads: 44 This Week
    Last Update:
    See Project
  • 3
    Jellyfin Android TV

    Jellyfin Android TV

    Android TV Client for Jellyfin

    Jellyfin Android TV is a Jellyfin client for Android TV, Nvidia Shield, and Amazon Fire TV devices. We welcome all contributions and pull requests! If you have a larger feature in mind please open an issue so we can discuss the implementation before you start. Jellyfin is the volunteer-built media solution that puts you in control of your media. Stream to any device from your own server, with no strings attached. Your media, your server, your way. Jellyfin enables you to collect, manage, and stream your media. Run the Jellyfin server on your system and gain access to the leading free-software entertainment system, bells and whistles included.
    Downloads: 38 This Week
    Last Update:
    See Project
  • 4
    bombardier

    bombardier

    Fast cross-platform HTTP benchmarking tool written in Go

    bombardier is an HTTP(S) benchmarking tool. It is written in Go programming language and uses excellent fast HTTP instead of Go's default HTTP library, because of its lightning-fast performance. With bombardier v1.1 and higher, you can now use the net/HTTP client if you need to test HTTP/2.x services or want to use a more RFC-compliant HTTP client.
    Downloads: 19 This Week
    Last Update:
    See Project
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  • 5
    Restfox

    Restfox

    Offline-first web HTTP client

    Offline-first web HTTP client. Package available through snap can be installed using sudo snap install restfox. There are precompiled binaries in the releases page.
    Downloads: 15 This Week
    Last Update:
    See Project
  • 6
    Axios

    Axios

    Promise based HTTP client for the browser and node.js

    Axios is a promise-based HTTP client for the browser and Node.js. It makes sending asynchronous HTTP requests to REST endpoints and performing CRUD operations much easier. The Axios library can be used in plain JavaScript or with more advanced frameworks like Vue.js or React.js.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 7
    TinyGSM

    TinyGSM

    A small Arduino library for GSM modules, that just works

    A small Arduino library for GSM modules that just works. This library is easy to integrate with lots of sketches that use Ethernet or WiFi. PubSubClient (MQTT), Blynk, HTTP Client, and File Download examples are provided. Arduino GSM library uses 15868 bytes (49%) of Flash and 1113 bytes (54%) of RAM in a similar scenario. TinyGSM also pulls data gently from the modem (whenever possible), so it can operate on very little RAM. Now, you have more space for your experiments. TCP (HTTP, MQTT, Blynk, ...) All modules support TCP connections. Most modules support multiple simultaneous connections. TCP and SSL connections can usually be mixed up to the total number of possible connections. Many GSM modems, WiFi, and radio modules can be controlled by sending AT commands over Serial. TinyGSM knows which commands to send, and how to handle AT responses, and wraps that into the standard Arduino Client interface.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 8
    urllib3

    urllib3

    Python HTTP library with thread-safe connection pooling

    urllib3 is a powerful, user-friendly HTTP client for Python. Much of the Python ecosystem already uses urllib3 and you should too. Thread safety, connection pooling. Client-side TLS/SSL verification. File uploads with multipart encoding. Helpers for retrying requests and dealing with HTTP redirects. Support for gzip, deflate, brotli, and zstd encoding. Proxy support for HTTP and SOCKS. 100% test coverage. Professional support for urllib3 is available as part of the Tidelift Subscription. Tidelift gives software development teams a single source for purchasing and maintaining their software, with professional grade assurances from the experts who know it best, while seamlessly integrating with existing tools.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 9
    distribyted

    distribyted

    Torrent client with HTTP, fuse, and WebDAV interfaces

    Distribyted is an alternative torrent client. It can expose torrent files as a standard FUSE mount or webDAV endpoint and download them on demand, allowing random reads using a fixed amount of disk space. Distribyted supports several ways to expose the files to the user or external applications. Applications that supports WebDAV can access torrent files using this protocol. It is recommended when distribyted is running in a remote machine or using docker. Distribyted can show some kind of files directly as folders, making it possible for applications to read only the parts that they need. Here is a list of supported, to-be-supported, and not supported formats. Play multimedia files on your favorite video or audio player. These files will be downloaded on demand and only the needed parts.
    Downloads: 5 This Week
    Last Update:
    See Project
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  • 10
    Milkman

    Milkman

    An extensible request/response workbench

    Milkman is heavily inspired by Postman. But I got sick of all those electron-based applications that need ages and loads of memory to start up. Therefore, this is a JavaFx-based workbench for crafting requests/responses. It is not limited to e.g. HTTP (or more specifically rest) requests. Due to nearly everything being a plugin, other things are possible, like database requests or GRPC, GraphQl, etc. Request-types (e.g. Http Request), request-aspects (e.g. Headers, Body, etc), editors for request aspects (e.g. table-based editors for headers), importers, whatever it is, you can extend it. The core application only handles Workspaces with Environments, Collections, Requests, and their aspects. Several plugins are provided already that extend the core application to be a replacement for postman. Crafting and Executing Http/Rest requests with json highlighting. Support Proxy-server configuration and SSE.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 11
    Sub-Store

    Sub-Store

    Advanced Subscription Manager for QX, Loon, Surge, Stash, etc.

    Advanced subscription manager for QX, Loon, Surge, Stash and ShadowRocket. Conversion among various formats. Subscription formatting. Collect multiple subscriptions in one URL.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 12
    UBoat HTTP

    UBoat HTTP

    HTTP Botnet

    A proof-of-concept HTTP Botnet designed to replicate a full weaponized commercial botnet. This project should be used for authorized testing or educational purposes only. The main objective behind creating this offensive project was to aid security researchers and to enhance the understanding of commercial HTTP loader-style botnets. We hope this project helps to contribute to the malware research community and that people can develop efficient countermeasures. Written in C++ with no dependencies. Encrypted C&C communications. Persistence to prevent your control from being lost. Connection redundancy (Uses a fallback server address or domain). DDoS methods (TCP & UDP Flood). Task Creation System (Altering system HWID, Country, IP, OS.System). Remote command execution. Update and uninstall other malware. Download and execute other malware. Active as well as a passive key-logger. Enable Windows RDP. Plugin system for easy feature updates.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 13
    HTTPie

    HTTPie

    A CLI, cURL-like tool for humans

    HTTPie is a modern command-line HTTP client that makes CLI interaction with web services as human-friendly as possible. It offers a plethora of friendly features that make it an excellent curl alternative. It is equipped with an intuitive UI, JSON support, syntax highlighting and so much more. HTTPie gives a single http command for sending arbitrary HTTP requests with a simple, natural syntax, and displayed in a formatted, colorized terminal output. HTTPie can be installed on macOS, Windows and Linux. It can be used for painless debugging, testing, and general interactions with HTTP servers.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 14
    Hoverfly

    Hoverfly

    Lightweight service virtualization/ API simulation / API mocking tool

    Hoverfly is a lightweight, open source API simulation tool. Using Hoverfly, you can create realistic simulations of the APIs your application depends on. Replace unreliable test systems and restrictive API sandboxes with high-performance simulations in seconds. Run on MacOS, Windows or Linux, or use native Java or Python language bindings to get started quickly. Simulate API latency or failure when required by writing custom scripts in the language of your choice.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 15
    Open Directory Downloader

    Open Directory Downloader

    Indexes open directories

    Indexes open directories listings in 130+ supported formats, including FTP(S), Google Drive, Bhadoo, GoIndex, Go2Index (alternatives), Dropbox, Mediafire, GoFile, GitHub. Written in C# with .NET (Core), which means it is cross-platform! Downloading is not (yet) implemented, but is already possible when you use the resulting file into another tool (for most of the formats). When you are NOT using the self-contained releases, you need to install the latest/current Runtime version of .NET 7.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 16
    http4k

    http4k

    The Functional toolkit for Kotlin HTTP applications

    http4k is a lightweight but fully-featured HTTP toolkit written in pure Kotlin that enables the serving and consuming of HTTP services in a functional and consistent way. http4k applications are just Kotlin functions. http4k consists of a lightweight core library, http4k-core, providing a base HTTP implementation and Server/Client implementations based on the JDK classes. Further servers, clients, serverless, templating, websockets capabilities are then implemented in add-on modules. http4k apps can be simply mounted into a running Server, Serverless platform, or compiled to GraalVM and run as a super-lightweight binary. Apart the from Kotlin StdLib, http4k-core module has ZERO dependencies and weighs in at ~1mb. Add-on modules only have dependencies required for specific implementation.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 17
    oha

    oha

    HTTP load generator, inspired by rakyll/hey with tui animation

    oha is a tiny program that sends some load to a web application and shows real-time tui inspired by rakyll/hey. This program is written in Rust and powered by tokio and beautiful tui by tui-rs. -q option works differently from rakyll/hey. It's set the overall query per second instead of for each worker.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 18
    req

    req

    Simple Go HTTP client with Black Magic

    Simple and easy to use, providing rich client-level and request-level settings, all of which are intuitive and chainable methods. Provides powerful and convenient debug utilities, including debug logs, performance traces, and even dump the complete request and response content. API testing can be done with minimal code, no need to explicitly create any Request or Client, or even to handle errors. Detect and decode to utf-8 automatically if possible to avoid garbled characters (See Auto Decode), marshal request body and unmarshal response body automatically according to the Content-Type. Req support HTTP/1.1, HTTP/2, and HTTP/3, and can automatically detect the server side and select the optimal HTTP version for requests, you can also force the protocol if you want. Support automatic request retry and is fully customizable.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 19
    EGO

    EGO

    A simple and component-based microservice kit for go

    EGO is a microservice-oriented governance framework implemented by golang, which integrates various engineering practices. Through the component-based design pattern, it is guaranteed that the business development can use various components in a unified way. For us engineers to improve component proficiency, we must first read a lot of open-source component documentation and code, and then insist on using it for a long time in order to form muscle memory and improve our speed of doing business. And the time and energy invested in all of this is enormous. To reduce this input cost and allow more developers to better use excellent open source components, EGO's approach is to standardize all open source components, encapsulate them, and unify various behaviors.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 20
    Faraday

    Faraday

    Simple, but flexible HTTP client library, with support for backends

    Faraday is an HTTP client library abstraction layer that provides a common interface over many adapters (such as Net::HTTP) and embraces the concept of Rack middleware when processing the request/response cycle. You probably don't want to use Faraday directly in your project, as it will lack an actual client library to perform requests. Instead, you probably want to have a look at Awesome Faraday for a list of available adapters. The best starting point is the Faraday Website, with its introduction and explanation. This library aims to support and is tested against the currently officially supported Ruby implementations. This means that, even without a major release, we could add or drop support for Ruby versions, following their EOL. Currently that means we support Ruby 2.6+. You can also install the faraday_middleware extension gem to access a collection of useful Faraday middleware.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 21
    HTTPX

    HTTPX

    A next generation HTTP client for Python

    HTTPX is a fully featured HTTP client for Python 3, which provides sync and async APIs, and support for both HTTP/1.1 and HTTP/2. HTTPX should currently be considered in beta. A 1.0 release is expected to be issued sometime in 2021. International domains and URLs, keep-alive and connection pooling, sessions with cookie persistence, browser-style SSL verification. Basic/digest authentication, elegant key/value cookies, automatic decompression. Automatic content decoding, unicode response bodies, multipart file uploads, HTTP(S) proxy support. Connection timeouts, streaming downloads, .netrc support, and chunked requests. For more advanced topics, see the Advanced Usage section, the async support section, or the HTTP/2 section. The Developer Interface provides a comprehensive API reference.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 22
    Interactsh

    Interactsh

    An OOB interaction gathering server and client library

    Interactsh is an open-source tool for detecting out-of-band interactions. It is a tool designed to detect vulnerabilities that cause external interactions. Interactsh Cli client requires go1.17+ to install successfully. interactsh-client with -sf, -session-file flag can be used store/read the current session information from user defined file which is useful to resume the same session to poll the interactions even after the client gets stopped or closed. Running the interactsh-client in verbose mode (v) to see the whole request and response, along with an output file to analyze afterwards. Using the server flag, interactsh-client can be configured to connect with a self-hosted Interactsh server, this flag accepts single or multiple server separated by comma. Default servers are subject to change/rotate/down at any time, thus we recommend using a self-hosted interactsh server if you are experiencing issues with the default server.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 23
    Netgraph

    Netgraph

    A cross platform http sniffer with a web UI

    Netgraph is a packet sniffer tool that captures all HTTP requests/responses, and displays them in a web page. You can run Netgraph in your Linux server without a desktop environment installed, and monitor HTTP requests/responses in your laptop's browser.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 24
    OpenAPI.NET

    OpenAPI.NET

    Object model for OpenAPI documents in .NET

    The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model. The OpenAPI.NET project holds the base object model for representing OpenAPI documents as .NET objects. Some developers have found the need to write processors that convert other data formats into this OpenAPI.NET object model. We'd like to curate that list of processors in this section of the readme. Converts standard .NET annotations ( /// comments ) emitted from your build (MSBuild.exe) into OpenAPI.NET document object. Converts the XML representation of the Entity Data Model (EDM) describing an OData Service into OpenAPI.NET document object.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 25
    cpprestsdk

    cpprestsdk

    Microsoft project for cloud-based client-server communication

    The C++ REST SDK is a Microsoft project for cloud-based client-server communication in native code using a modern asynchronous C++ API design. This project aims to help C++ developers connect to and interact with services. cpprestsdk is in maintenance mode and we do not recommend its use in new projects. We will continue to fix critical bugs and address security issues. Once you have the library, look at our tutorial to use the http_client. It walks through how to setup a project to use the C++ Rest SDK and make a basic Http request. HTTP client/server, JSON, URI, asynchronous streams, WebSockets client, oAuth. A powerful model for composing asynchronous operations based on C++ 11 features. Windows desktop, Windows Store (UWP), Linux, OS X, Unix, iOS, and Android. Support for Visual Studio 2015 and 2017 with debugger visualizers.
    Downloads: 2 This Week
    Last Update:
    See Project
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