Stars
OBS Studio - Free and open source software for live streaming and screen recording
Android/iOS video player based on FFmpeg n3.4, with MediaCodec, VideoToolbox support.
WCDB is a cross-platform database framework developed by WeChat.
ZipArchive is a simple utility class for zipping and unzipping files on iOS, macOS and tvOS.
A library that enables dynamically rebinding symbols in Mach-O binaries running on iOS.
Tesseract OCR iOS is a Framework for iOS7+, compiled also for armv7s and arm64.
Open Broadcaster Software (Deprecated: See OBS Studio repository instead)
[Skype Silk Codec SDK]Decode silk v3 audio files (like wechat amr, aud files, qq slk files) and convert to other format (like mp3). Batch conversion support.
A trading engine with high-speed performance and real-time notification
The libdispatch Project, (a.k.a. Grand Central Dispatch), for concurrency on multicore hardware
Clone of the mercurial repository http://zbar.hg.sourceforge.net:8000/hgroot/zbar/zbar
C library for cross-platform real-time audio input and output
Twitter Image Pipeline is a robust and performant image loading and caching framework for iOS clients
PLCameraStreamingKit 是 Pili 直播 SDK 的 iOS 推流端，是带有采集模块老版本 SDK。如果是新用户接入，建议使用 PLMediaStreamingKit。该版本支持 RTMP 推流，h.264 和 AAC 编码，硬编软编支持。具有丰富的数据和状态回调，方便用户根据自己的业务定制化开发。具有直播场景下的重要功能，如：美颜、背景音乐、水印等功能。
zip archive processing for Cocoa - iPhone and OS X
A non-backtracking NFA/DFA-based Perl-compatible regex engine matching on large data streams
Makes dealing with images buttery smooth.
MessagePack serializer implementation for Objective-C / msgpack.org[Objective-C]
Kitsune runtime, driver, ktcc, xfgen, documentation, and test suite.
MShare会定期组织iOS、Android的技术分享活动，了解最新活动请关注微博 @孟祥月_iOS
The screader is a soure code reading tool based the libclang. It is implemented by the C.