diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 0000000..155eed9
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 QEDA Authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/README.md b/README.md
index 1d58ea2..9b6a0aa 100644
--- a/README.md
+++ b/README.md
@@ -11,9 +11,15 @@ Abbreviation is used in QEDA.js as component preamble. It corresponds to subdire
 Abbreviation            | Name
 ------------------------|---------------------------
 [ALTERA](./altera/)     | Altera
+[ST](./st/)             | STMicroelectronics
 [TI](./ti/)             | Texas Instruments
 
 Legal Notice
 ============
 
 All trademarks and registered trademarks are the property of their respective owners.
+
+License
+=======
+
+Source code is licensed under [MIT license](./LICENSE.md).
diff --git a/st/README.md b/st/README.md
new file mode 100644
index 0000000..4835546
--- /dev/null
+++ b/st/README.md
@@ -0,0 +1,5 @@
+ST
+==
+
+* **STMicroelectronics**
+* http://www.st.com