diff --git a/Articles.md b/Articles.md
index 2e1eb85d..dad2bea0 100644
--- a/Articles.md
+++ b/Articles.md
@@ -142,6 +142,7 @@ Start by reading the [overview of mobile development](Mobile) documentation firs
 
 ## Testing
 
+  * [Debugging Go Programs with Delve](https://blog.gopheracademy.com/advent-2015/debugging-with-delve/) _2015-12-03_
   * [Upgrade Your Appengine Tests with Testify](http://csfortheslothful.blogspot.com/2015/11/upgrade-your-appengine-tests-with.html) _2015_11_21_
 
 ## Web & API Development
diff --git a/Projects.md b/Projects.md
index 2c15372e..51f93ff4 100644
--- a/Projects.md
+++ b/Projects.md
@@ -649,6 +649,7 @@ See also [[SQLDrivers page|SQLDrivers]].
 
 ## File Systems
 
+  * [afero](https://github.com/spf13/afero) - A File Sytem abstraction system for Go
   * [go.fs](https://github.com/daaku/go.fs) - A virutal file system abstraction layer.
   * [poller](https://github.com/npat-efault/poller) - Package poller is a file-descriptor multiplexer. It allows concurent Read and Write operations from and to multiple file-descriptors.
   * [vfsgen](https://github.com/shurcooL/vfsgen) - Generates a vfsdata.go file that statically implements the given virtual filesystem.