## [Version 0.6.x](/0.6.x/index)

* [API Overview](/0.6.x/api)
* [The Modules](/0.6.x/modules)

### [Core API](/0.6.x/facil)

* [Event scheduling](/0.6.x/defer)
* [Low Level Polling](/0.6.x/evio)
* [Low Level Sockets](/0.6.x/sock)
* [Memory Allocation](/0.6.x/fio_mem)

### Extensions

* [HTTP](/0.6.x/http)
* [WebSockets](/0.6.x/websockets)
* [Pub/Sub](/0.6.x/pubsub)
* [CLI (command line)](/0.6.x/fio_cli)

### [The FIOBJ types](/0.6.x/fiobj)

* [Primitives](/0.6.x/fiobj_primitives)
* [Numbers](/0.6.x/fiobj_numbers)
* [Strings](/0.6.x/fiobj_str)
* [Array](/0.6.x/fiobj_ary)
* [HashMap](/0.6.x/fiobj_hash)
* [JSON](/0.6.x/fiobj_json)

### [Core Types](/0.6.x/types)

* [C Arrays](/0.6.x/fio_ary)
* [C HashMap](/0.6.x/fio_hashmap)
* [Linked Lists](/0.6.x/fio_llist)

