Documentation: C library added
**C libraries**
+- [apache/celix/etcdlib](https://github.com/apache/celix/tree/develop/etcdlib) - Supports v2
- [jdarcy/etcd-api](https://github.com/jdarcy/etcd-api) - Supports v2
- [shafreeck/cetcd](https://github.com/shafreeck/cetcd) - Supports v2
**Projects using etcd**
+- [apache/celix](https://github.com/apache/celix) - an implementation of the OSGi specification adapted to C and C++
- [binocarlos/yoda](https://github.com/binocarlos/yoda) - etcd + ZeroMQ
- [blox/blox](https://github.com/blox/blox) - a collection of open source projects for container management and orchestration with AWS ECS
- [calavera/active-proxy](https://github.com/calavera/active-proxy) - HTTP Proxy configured with etcd
