Chilkat is a cross-language, cross-platform API providing 90+ classes for many Internet protocols, formats, and algorithms.

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Some classes need a license:
SSH, SFTP, FTP2, HTTP, REST, Socket/TLS, IMAP, ...

Some are free:
JSON, XML, Cert, PrivateKey, ...

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Programmers use Chilkat with:
ASP, C, C++, C++ Builder, C#, DataFlex, dBase, Delphi, Electron, Excel, FoxPro, Go, Java, Mono, Node.js, Objective-C, Perl, PHP, PowerBuilder, PowerShell, PureBasic, Python, Ruby, SQL, Swift, Tcl, VB.NET, VB6, VBScript, Xbase++, xHarbour, Xojo

Chilkat runs on:
Windows, Linux, Mac OS X, iOS, Android, Alpine Linux, MinGW

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Start by browsing the:
Documentation or Examples