klibcppkedixa's Cplusplus Library(timer, multiarray, unsigned_bigint, bigint, rational)
libzahlSuckless big integer library
Base62PHP Base62 encoder and decoder for integers and big integers with Laravel 5 support.
BigNumberA really long long long long long long number in C++
BigIntegerBe limited not by the size of your register but by the bulk of your RAM.
as-bignumFixed length big numbers for AssemblyScript 🚀
bigintbigint is a C++ library which can handle Very very Big Integers. It can calculate factorial of 1000000... it can go any big. It may be useful in Competitive Coding and Scientific Calculations which deals with very very large Integers. It can also be used in Decryption process. It has many inbuilt functions which can be very useful.
swift-numberkitAdvanced numeric data types for Swift 5, including BigInt, Rational, and Complex numbers.
UInt256An UInt256 library written in Swift 4