This framework implements a strict JSON parser and generator
Chunk-based JSON parsing and generation in Objective-C. SBJson's number one feature is stream/chunk-based operation. Feed the parser one or more chunks of UTF8-encoded data and it will call a block you provide with each root-level document or array. Or, optionally, for each top-level entry in each root-level array. With this you can reduce the apparent latency for each download/parse cycle of documents over a slow connection. You can start parsing and return chunks of the parsed document before the full document has downloaded. ...
Library for easily creating table-based forms on iOS
...Navigation behaviors such as next-field focus and section grouping are built in, improving usability out of the box. By reducing form glue code, FXForms helps teams ship consistent, maintainable data-entry flows faster, especially in apps with many settings or profile screens.