CoreObject

Key Features

* Branches (pointers to the document revision graph, like Git) * Efficient revision storage inspired by Mercurial * Orthogonal undo system, can undo all possible modifications to a CoreObject store * Muliple undo or history views over one or several documents * Efficient selective undo (unlike OT) * Based on an object graph diff model (inspired by Difference and Union of Models) * Versatile object model (single, keyed, ordered, or unordered attributes/relationships) * Value types include string, number, reference within a document, and reference to another document * Structured data merge works well for most use cases; pluggable merge strategies (with an example styled text merge algorithm) * Stable serialization format with integrity checking * Optional organizational model with tags and libraries * Metamodel-driven copying * Flexible enough to support complex structured graphics documents * Supports large file attachments * Cheap copy documents (a copy consumes no space) * Real-time collaborative editing with full undo support per user (inspired by Differential Synchronization) * Built-in indexing and search including over the history * Concurrent editing accross multiple applications, with updates propagated transparently to every working copy in memory