diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..1aa0f49
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018-2019 O.S. Systems Software LTDA
+
+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 ced943f..b6f6b2e 100644
--- a/README.md
+++ b/README.md
@@ -20,3 +20,14 @@ Flags:
       --port int          Port (default 8080)
       --username string   Admin username (default "admin")
 ```
+
+## License
+
+Licensed under MIT, ([LICENSE](LICENSE) or https://opensource.org/licenses/MIT).
+
+### Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally
+submitted for inclusion in the work by you, as defined in the MIT
+license, shall be licensed as above, without any additional terms or
+conditions.
diff --git a/api/agentapi/agentapi.go b/api/agentapi/agentapi.go
index 6b53a00..a78593b 100644
--- a/api/agentapi/agentapi.go
+++ b/api/agentapi/agentapi.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2018 O.S. Systems Sofware LTDA
+//
+// SPDX-License-Identifier: MIT
+
 package agentapi
 
 import (
diff --git a/api/webapi/devices.go b/api/webapi/devices.go
index d4ef9a7..e8c58eb 100644
--- a/api/webapi/devices.go
+++ b/api/webapi/devices.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2018 O.S. Systems Sofware LTDA
+//
+// SPDX-License-Identifier: MIT
+
 package webapi
 
 import (
diff --git a/api/webapi/packages.go b/api/webapi/packages.go
index deefe21..3dc3b63 100644
--- a/api/webapi/packages.go
+++ b/api/webapi/packages.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2018 O.S. Systems Sofware LTDA
+//
+// SPDX-License-Identifier: MIT
+
 package webapi
 
 import (
diff --git a/api/webapi/rollouts.go b/api/webapi/rollouts.go
index a6b1c60..fd64011 100644
--- a/api/webapi/rollouts.go
+++ b/api/webapi/rollouts.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2018 O.S. Systems Sofware LTDA
+//
+// SPDX-License-Identifier: MIT
+
 package webapi
 
 import (
diff --git a/coap.go b/coap.go
index 5b1a1d0..e66be96 100644
--- a/coap.go
+++ b/coap.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2018 O.S. Systems Sofware LTDA
+//
+// SPDX-License-Identifier: MIT
+
 package main
 
 import (
diff --git a/main.go b/main.go
index 5cd992c..3e7dfe2 100644
--- a/main.go
+++ b/main.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2018 O.S. Systems Sofware LTDA
+//
+// SPDX-License-Identifier: MIT
+
 package main
 
 import (
diff --git a/models/device.go b/models/device.go
index 4e0518d..affc95d 100644
--- a/models/device.go
+++ b/models/device.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2018 O.S. Systems Sofware LTDA
+//
+// SPDX-License-Identifier: MIT
+
 package models
 
 import (
diff --git a/models/package.go b/models/package.go
index 9887c62..8e25f37 100644
--- a/models/package.go
+++ b/models/package.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2018 O.S. Systems Sofware LTDA
+//
+// SPDX-License-Identifier: MIT
+
 package models
 
 type Package struct {
diff --git a/models/report.go b/models/report.go
index bc0e30d..2bbda98 100644
--- a/models/report.go
+++ b/models/report.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2018 O.S. Systems Sofware LTDA
+//
+// SPDX-License-Identifier: MIT
+
 package models
 
 import (
diff --git a/models/rollout.go b/models/rollout.go
index dbcdd3e..8023e17 100644
--- a/models/rollout.go
+++ b/models/rollout.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2018 O.S. Systems Sofware LTDA
+//
+// SPDX-License-Identifier: MIT
+
 package models
 
 import (