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
    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: 56 This Week
    Last Update:
    See Project
  • 2
    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: 34 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: 25 This Week
    Last Update:
    See Project
  • 4
    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: 16 This Week
    Last Update:
    See Project
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  • 5
    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: 16 This Week
    Last Update:
    See Project
  • 6
    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: 16 This Week
    Last Update:
    See Project
  • 7
    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: 9 This Week
    Last Update:
    See Project
  • 8
    Guzzle

    Guzzle

    An extensible PHP HTTP client

    Guzzle is a PHP HTTP client that makes it easy to send HTTP requests and trivial to integrate with web services. Simple interface for building query strings, POST requests, streaming large uploads, streaming large downloads, using HTTP cookies, uploading JSON data, etc... Can send both synchronous and asynchronous requests using the same interface. Uses PSR-7 interfaces for requests, responses, and streams. This allows you to utilize other PSR-7 compatible libraries with Guzzle. Abstracts away the underlying HTTP transport, allowing you to write environment and transport agnostic code; i.e., no hard dependency on cURL, PHP streams, sockets, or non-blocking event loops. Middleware system allows you to augment and compose client behavior.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 9
    Amazon Neptune Sparql Java Sigv4

    Amazon Neptune Sparql Java Sigv4

    A SPARQL client for Amazon Neptune that includes AWS Signature

    A SPARQL client for Amazon Neptune that includes AWS Signature Version 4 signing. Implemented as an RDF4J repository. SPARQL client for Amazon Neptune that includes AWS Signature Version 4 signing. Implemented as an RDF4J repository and Jena HTTP Client.
    Downloads: 5 This Week
    Last Update:
    See Project
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  • 10
    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: 5 This Week
    Last Update:
    See Project
  • 11
    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: 4 This Week
    Last Update:
    See Project
  • 12
    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: 3 This Week
    Last Update:
    See Project
  • 13

    Feign

    Make writing Java http clients easier

    Feign is a Java to HTTP client binder that was built primarily to make writing Java http clients easier. Inspired by previous projects Retrofit, JAXRS-2.0 and WebSocket, Feign was designed to reduce the complexity that is often involved in binding the Denominator uniformly to HTTP APIs, no matter the ReSTfulness. Feign works by processing annotations into a templatized request, to which arguments are applied in a straightforward manner before output. While it may only support text-based APIs, it simplifies system aspects dramatically and makes it much easier to unit test your conversions. Feign makes use of great tools like Jersey and CXF for writing Java clients for ReST or SOAP services. It also lets you write your own code on top of http libraries, and connects your code to http APIs with little overhead.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 14
    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: 3 This Week
    Last Update:
    See Project
  • 15
    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: 3 This Week
    Last Update:
    See Project
  • 16
    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: 3 This Week
    Last Update:
    See Project
  • 17
    OAuth2 (Client)

    OAuth2 (Client)

    An Elixir OAuth 2.0 Client Library

    This library can be configured to handle encoding and decoding requests and responses automatically based on the accept and/or content-type headers. An Elixir OAuth 2.0 Client Library. This library can be configured to handle encoding and decoding requests and responses automatically based on the accept and/or content-type headers. The http client library used is tesla, the default adapter is Httpc, since it comes out of the box with every Erlang instance but you can easily change it to something better.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 18
    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: 3 This Week
    Last Update:
    See Project
  • 19
    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: 2 This Week
    Last Update:
    See Project
  • 20
    Promxy

    Promxy

    An aggregating proxy to enable HA prometheus

    Promxy is a prometheus proxy that makes many shards of prometheus appear as a single API endpoint to the user. This significantly simplifies operations and use of prometheus at scale (when you have more than one prometheus host). Promxy delivers this unified access endpoint without requiring any sidecars, custom-builds, or other changes to your prometheus infrastructure. Prometheus itself provides no real HA/clustering support. As such the best-practice is to run multiple (e.g N) hosts with the same config. Similarly prometheus has no real built-in query federation, which means that you end up with N sources in grafana which is (1) confusing to grafana users and (2) has no support for aggregation across the sources. Promxy enables an HA prometheus setup by "merging" the data from the duplicate hosts (so if there is a gap in one, promxy will fill with the other). In addition Promxy provides a single datasource for all promql queries.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 21
    Trafexia

    Trafexia

    Mobile Traffic Interceptor

    Trafexia is a lightweight web application designed to visualize real-time and historical transportation data, such as traffic flows, transit schedules, or route usage, with clean dashboards and map overlays that help users and analysts interpret mobility patterns quickly. It integrates data streams from APIs, CSV feeds, or sensor inputs and processes them into intuitive visualizations including flow diagrams, heatmaps, time series charts, and route performance boards. The UI balances rich visuals with clarity, enabling quick switches between granular road-level insights and broader corridor analytics without overwhelming the viewer. It also supports filtering by time ranges, vehicle types, or geographic zones so analysts can drill into peak congestion periods or specific transit routes.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 22
    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: 2 This Week
    Last Update:
    See Project
  • 23
    rathole

    rathole

    A lightweight and high-performance reverse proxy for NAT traversal

    A secure, stable and high-performance reverse proxy for NAT traversal, written in Rust. rathole, like frp and ngrok, can help to expose the service on the device behind the NAT to the Internet, via a server with a public IP. High Performance Much higher throughput can be achieved than frp, and more stable when handling a large volume of connections. Low Resource Consumption Consumes much fewer memory than similar tools. See Benchmark. The binary can be as small as ~500KiB to fit the constraints of devices, like embedded devices as routers. Security Tokens of services are mandatory and service-wise. The server and clients are responsible for their own configs. With the optional Noise Protocol, encryption can be configured at ease. No need to create a self-signed certificate! TLS is also supported.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 24
    HTTP Client

    HTTP Client

    Async HTTP/1.1+2 client for PHP based on Amp

    This package provides an asynchronous HTTP client for PHP based on Amp. Its API simplifies standards-compliant HTTP resource traversal and RESTful web service consumption without obscuring the underlying protocol. The library manually implements HTTP over TCP sockets; as such it has no dependency on ext/curl. Streams entity bodies for memory management with large transfers. Supports all standard and custom HTTP method verbs. Simplifies HTTP form submissions. Implements secure-by-default TLS. Supports cookies and sessions. Functions seamlessly behind HTTP proxies. Additionally, you might want to install the nghttp2 library to take advantage of FFI to speed up and reduce the memory usage on PHP 7.4. More extensive code examples reside in the examples directory.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    Jimp

    Jimp

    An image processing library written entirely in JavaScript for Node

    An image processing library for Node written entirely in JavaScript, with zero native dependencies. If you're using this library with TypeScript the method of importing slightly differs from JavaScript. Instead of using require, you must import it with ES6 default import scheme. If you're using a web bundles (webpack, rollup, parcel) you can benefit from using the module build of jimp. Using the module build will allow your bundler to understand your code better and exclude things you aren't using. If you're using webpack you can set process.browser to true and your build of jimp will exclude certain parts, making it load faster. The static Jimp.read method takes the path to a file, URL, dimensions, a Jimp instance or a buffer and returns a Promise. In some cases, you need to pass additional parameters with an image's URL.
    Downloads: 1 This Week
    Last Update:
    See Project
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