diff --git a/Related-Projects.md b/Related-Projects.md
index 07ce0ae..9870862 100644
--- a/Related-Projects.md
+++ b/Related-Projects.md
@@ -7,6 +7,9 @@
 * [mruby-json](https://github.com/mattn/mruby-json) JSON encoder/decoder using [parson](https://github.com/kgabis/parson) by [mattn](https://github.com/mattn)
 * [mruby-sqlite3](https://github.com/mattn/mruby-sqlite3) [SQLite3](http://www.sqlite.org/) database driver by [mattn](https://github.com/mruby-sqlite3)
 * [mruby-redis](https://github.com/matsumoto-r/mruby-redis) redis client using [hiredis](https://github.com/redis/hiredis) by [matsumoto_r](https://github.com/matsumoto-r)
+* [mruby-simplehttp](https://github.com/matsumoto-r/mruby-simplehttp) simple http client by [matsumoto_r](https://github.com/matsumoto-r)
+* [mruby-httprequest](https://github.com/matsumoto-r/mruby-httprequest) simple http request by [matsumoto_r](https://github.com/matsumoto-r)
+* [mruby-growthforecast](https://github.com/matsumoto-r/mruby-grothforecast) [GrowthForecast](http://kazeburo.github.com/GrowthForecast/) client by [matsumoto_r](https://github.com/matsumoto-r)
 
 ## Web Interfaces