Sites like curl

01 · Entity

About curl

curl curl.se

curl

Wikidata: command line tool and library for transferring data with URL syntax

Top 10K · #2,999 English 2 technologies Crawled Nov 6, 2026

Visit curl

Summary by Claude

Official site of curl, a free and open-source command-line tool and C library (libcurl) for transferring data with URLs over protocols such as HTTP, HTTPS, FTP, SFTP, SMTP and MQTT, with documentation, downloads and source code.

Who it’s for

Software developers, system administrators

Business model

Open source, sponsorships and donations

• open-source networking software
• command-line HTTP client
• libcurl library
• file transfer over FTP/SFTP
• HTTP/2 and HTTP/3 support
• TLS and proxy support
• scripted data transfer
• curl documentation and downloads

02 · Embedding space

Competitor map

Each alternative by how close its vector is to curl’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

1. 01
   ifconfig.me Top 10K English

   What Is My IP Address? - ifconfig.me

   Get my IP Address

   • Google Cloud
   • Google Cloud DNS
   • Google Fonts
   • Google Search Console

   0 say ifconfig.me is a good alternative to curl 0 say ifconfig.me isn’t a real alternative to curl

   Comment
   Very close cos 0.897
2. 02
   squid-cache.org Top 10K

   squid : Optimising Web Delivery

   proxy server and web cache daemon

   • Apache HTTP Server
   • Google Search Console

   0 say squid-cache.org is a good alternative to curl 0 say squid-cache.org isn’t a real alternative to curl

   Comment
   Close cos 0.892
3. 03
   Drupal drupal.org Top 10K English

   Client Challenge

   free and open-source web content management system

   • Fastly
   • Amazon SES
   • Atlassian
   • GlobalSign
   • Google Search Console
   • Mailchimp

   0 say Drupal is a good alternative to curl 0 say Drupal isn’t a real alternative to curl

   Comment
   Close cos 0.894
4. 04
   Linux kernel kernel.org Top 10K English

   The Linux Kernel Archives

   Unix-like operating system kernel, basis for all Linux operating systems

   • nginx
   • Google Search Console

   0 say Linux kernel is a good alternative to curl 0 say Linux kernel isn’t a real alternative to curl

   Comment
   Close cos 0.891
5. 05
   doxygen.org Top 10K English

   Doxygen homepage

   Source code documentation and analysis tool

   • Bootstrap
   • Cloudflare
   • Cloudflare DNS
   • Cloudflare Web Analytics
   • Google AdSense

   0 say doxygen.org is a good alternative to curl 0 say doxygen.org isn’t a real alternative to curl

   Comment
   Close cos 0.888
6. 06
   filezilla-project.org Top 10K English

   FileZilla - The free FTP solution

   FileZilla - The free FTP solution for both client and server. Filezilla is open source software distributed free of charge.

   • Apache HTTP Server
   • Google Search Console

   0 say filezilla-project.org is a good alternative to curl 0 say filezilla-project.org isn’t a real alternative to curl

   Comment
   Close cos 0.885
7. 07
   Python python.org Top 1K English

   Welcome to Python.org

   The official home of the Python Programming Language

   • Fastly
   • nginx
   • Font Awesome
   • GlobalSign
   • Google Search Console
   • Google Workspace

   0 say Python is a good alternative to curl 0 say Python isn’t a real alternative to curl

   Comment
   Close cos 0.885
8. 08
   zlib zlib.net Top 10K

   zlib Home Site

   lossless compression library

   • Apache HTTP Server

   0 say zlib is a good alternative to curl 0 say zlib isn’t a real alternative to curl

   Comment
   Close cos 0.883
9. 09
   Softpedia softpedia.com Top 10K English

   software and tech-news website based in Romania

   • Cloudflare
   • Google Search Console
   • Meta Business Suite

   0 say Softpedia is a good alternative to curl 0 say Softpedia isn’t a real alternative to curl

   Comment
   Close cos 0.884
10. 10
    PHP php.net Top 1K English

    PHP

    PHP is a popular general-purpose scripting language that powers everything from your blog to the most popular websites in the world.

    • bunny.net
    • Font Awesome
    • Google Search Console
    • jQuery
    • Matomo

    0 say PHP is a good alternative to curl 0 say PHP isn’t a real alternative to curl

    Comment
    Close cos 0.884
11. 11
    WeTransfer wetransfer.com Top 10K English

    WeTransfer | Skicka stora filer snabbt

    Det enkla, snabba och säkra sättet att skicka filer till hela världen utan ett konto. Dela filer, foton och videor idag helt gratis.

    • Adobe
    • Amazon Publisher Services
    • Apple Business
    • Atlassian
    • Amazon CloudFront
    • DocuSign

    0 say WeTransfer is a good alternative to curl 0 say WeTransfer isn’t a real alternative to curl

    Comment
    Close cos 0.884
12. 12
    Syncthing syncthing.net Top 10K English

    Syncthing

    open source continuous file synchronization software

    • Fastly
    • Bootstrap
    • cdnjs
    • Font Awesome
    • GitHub Pages
    • Hetzner DNS

    0 say Syncthing is a good alternative to curl 0 say Syncthing isn’t a real alternative to curl

    Comment
    Close cos 0.881
13. 13
    R Project r-project.org Top 10K English

    R: The R Project for Statistical Computing

    programming language for statistical analysis

    • Apache HTTP Server
    • Bootstrap
    • jQuery
    • Microsoft 365

    0 say R Project is a good alternative to curl 0 say R Project isn’t a real alternative to curl

    Comment
    Close cos 0.881
14. 14
    jQuery jquery.com Top 1K English

    jQuery

    jQuery: The Write Less, Do More, JavaScript Library

    • Cloudflare
    • Cloudflare DNS
    • jQuery
    • PHP
    • WordPress

    0 say jQuery is a good alternative to curl 0 say jQuery isn’t a real alternative to curl

    Comment
    Close cos 0.881
15. 15
    nginx nginx.org Top 100

    nginx

    open source web server and a reverse proxy server

    • nginx
    • Google Search Console

    0 say nginx is a good alternative to curl 0 say nginx isn’t a real alternative to curl

    Comment
    Close cos 0.880
16. 16
    azbyka.ru Top 10K Russian

    Православный портал «Азбука веры» | Православный сайт

    «Азбука веры» – ведущий религиозный интернет-портал: 40 сайтов, включающих библиотеку, молитвослов, календарь, аудио, видео, викторины...

    • Font Awesome
    • Google Fonts
    • Google Search Console
    • PHP
    • WordPress
    • Yandex Mail

    0 say azbyka.ru is a good alternative to curl 0 say azbyka.ru isn’t a real alternative to curl

    Comment
    Close cos 0.881
17. 17
    WebDAV webdav.org Top 10K

    WebDAV Resources

    Central resource site for the WebDAV community.

    • Apache HTTP Server
    • Namecheap DNS

    0 say WebDAV is a good alternative to curl 0 say WebDAV isn’t a real alternative to curl

    Comment
    Close cos 0.877
18. 18
    libpng.org Top 10K

    libpng.org: top level

    • nginx

    0 say libpng.org is a good alternative to curl 0 say libpng.org isn’t a real alternative to curl

    Comment
    Close cos 0.877
19. 19
    Lua lua.org Top 10K

    The Programming Language Lua

    Official website of the Lua language

    • nginx

    0 say Lua is a good alternative to curl 0 say Lua isn’t a real alternative to curl

    Comment
    Close cos 0.877
20. 20
    Go go.dev Top 10K English

    The Go Programming Language

    Go is an open source programming language that makes it simple to build secure, scalable systems.

    • Google Cloud
    • Google Cloud DNS
    • Google Fonts
    • Google Search Console
    • Google Tag Manager
    • Google Workspace

    0 say Go is a good alternative to curl 0 say Go isn’t a real alternative to curl

    Comment
    Close cos 0.877

Ranked by score: the cosine similarity of each site’s vector to curl.se’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones curl uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What curl is built with, and what its closest competitors use, from its homepage’s code and its DNS records.