ATLocationManagerLicense: MITGMEllipticCurveCryptoAn Objective-C library for Elliptic Curve Digital Signing Algorithm (ECDSA) and for Elliptic Curve Diffie-Hellman (ECDH).License: BSD 2.0Objective CSHSwiftKitPure Swift Kit with wrappers on Foundation and other iOS Core frameworks.License: MITSwiftSwiftPingSwiftPing:ICMP Ping in swiftLicense: MITSwift