Regexkitlite -- Regular Expression
To extract specific content from a string or check the validity of the input, a regular expression is often used. Regexkitlite extends nsstring and supports regular expression search and replacement.
Asihttprequest -- HTTP network library
The asihttprequest Library greatly simplifies network communication and provides more advanced tools, such as file upload tools, redirection processing tools, verification tools, and so on.
Kissxml -- XML Parsing Library
A very convenient XML parser that supports XPath query.
Fmdatabase -- objective-C encapsulation of SQLite
The c api of SQLite is too cumbersome, trivial, and difficult for beginners. Fmdb simply wraps the c api into an easy-to-use objective-C class. For beginners of SQLite, it greatly reduces the difficulty of getting started. With fmdb, when writing a program, you only need to concentrate on the SQLite syntax, instead of having to handle the bunch of C APIs that you don't understand. This is really a pleasure.
Jsonframework -- JSON support
It is an open-source framework released based on the BSD Protocol. JSON-framework is openSource codeWhen you need to use it, you only needCodeAdd to your project.
Sdwebimage-simplified network image processing
Using sdwebimage to call images on a website is as simple as calling images built in the app package locally. The operation is also very simple.
Google toolbox for MAC (GTM)-code collected from different Google Projects
Contains a variety of tool classes. For example, base64 and binary encoding and decoding of strings, comparison of system version numbers, and path searching. Each tool class is independent and can be extracted and used separately.
Sfhfkeychainutils (scifihifi-iPhone) -- save the user password to the keychain
For user security, you can use the key string keychain to save the user password. Sfhfkeychainutils encapsulates key string access, read/write, and is easy to use.
Mkstorekit --ProgramInternal purchase
Encapsulation of the Process purchased in the program.