diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..532a03b
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,6 @@
+build:
+        image: teaci/msys32
+        shell: mingw32
+        pull: true
+        commands:
+                - ./tools/ci-build.sh
diff --git a/.travis.yml b/.travis.yml
index d1fe244..341aaa8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,4 +9,4 @@ compiler:
   - gcc
   - clang
 
-script: ./tools/travis.sh
+script: ./tools/ci-build.sh
diff --git a/README b/README.md
similarity index 71%
rename from README
rename to README.md
index 81fb5ac..7bfb465 100644
--- a/README
+++ b/README.md
@@ -1,9 +1,16 @@
+| Platform | Status |
+| -------- | ------ |
+| Linux and Mac OS X | [![Build Status](https://travis-ci.org/concurrencykit/ck.svg)](https://travis-ci.org/concurrencykit/ck)
+| Windows | [![Build Status](https://tea-ci.org/api/badges/concurrencykit/ck/status.svg)](https://tea-ci.org/concurrencykit/ck) |
+
+```
   ____                                                        _  ___ _
  / ___|___  _ __   ___ _   _ _ __ _ __ ___ _ __   ___ _   _  | |/ (_) |_
 | |   / _ \| '_ \ / __| | | | '__| '__/ _ \ '_ \ / __| | | | | ' /| | __|
 | |__| (_) | | | | (__| |_| | |  | | |  __/ | | | (__| |_| | | . \| | |_
  \____\___/|_| |_|\___|\__,_|_|  |_|  \___|_| |_|\___|\__, | |_|\_\_|\__|
                                                       |___/
+```
 
 Step 1.
 	./configure
diff --git a/tools/travis.sh b/tools/ci-build.sh
similarity index 71%
rename from tools/travis.sh
rename to tools/ci-build.sh
index 1952c58..6d57655 100755
--- a/tools/travis.sh
+++ b/tools/ci-build.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Skeleton for Travis integration testing.
+# Skeleton for continuous integration testing.
 ##############################################################################
 
 set -x