Open Source C Software Development Software for Mobile Operating Systems

WCDB is an efficient, complete, easy-to-use mobile database framework used in the WeChat application. It's currently available on iOS, macOS and Android. Easy-to-use. Through WCDB, you can get objects from database in one line code. WINQ (WCDB language integrated query), WINQ is a native data querying capability which frees developers from writing glue code to concatenate SQL query strings. ORM (Object Relational Mapping), WCDB provides a flexible, easy-to-use ORM for creating tables, indices and constraints, as well as CRUD through ObjC objects. Efficient. Through the framework layer and sqlcipher source optimization, WCDB have more efficient performance. Multi-threaded concurrency, WCDB supports concurrent read-read and read-write access via connection pooling. ORM/persistence solution via Room from Android Architecture Components. Concurrent access via connection pooling from modern Android framework. Repair toolkit for database corruption recovery.

Smart-M3 is a functional platform that provides a cross domain search extent for triple based information. Smart-M3 enables smart cross domain applications that rely on information level interoperability.

Library for parsing Excel (XLS) files, with a sample program for converting Excel files into CSV. This site is no longer being updated. A new release is available on the new site whose link is shown above.

Midea is a robust c string api set with regex support, handling fixed width 8 to 64 bit character sets at runtime (no recompilation is required). Initialization routines convert multibyte encodings such as utf8.