# Apache CouchDB 2.1 Documentation

Welcome! This is the documentation for Apache CouchDB 2.1.0.

## Meet CouchDB

What's new in CouchDB 2.1? or browse all "What's new" documents Why CouchDB? why you might want to use CouchDB | Technical Overview a quick overview of technology used Eventual Consistency how CouchDB handles synchronization

## Getting started

Installation guides install CouchDB on Windows, OS X or Linux Tutorial start using CouchDB with Fauxton and cURL HTTP API overview a short walk though the API Clustering setup and manage a cluster of nodes | Guide to Views how to query documents with MapReduce Mango Query Server simple JSON CouchDB queries without MapReduce Replication painless master-master data synchronization Design Documents transform, update or validate your documents

## Reference Documentation & Advanced Topics

Complete HTTP API Reference something to come back to External Processes adding even more functionality | Configuration Reference tweak CouchDB to your liking Maintenance how to take care of your CouchDB

## Links

Download CouchDB HTTP API Reference Configuration Reference