diff --git a/Chess/nimfish/nimfish.nim b/Chess/nimfish/nimfish.nim
index 3f2e173..6ff3445 100644
--- a/Chess/nimfish/nimfish.nim
+++ b/Chess/nimfish/nimfish.nim
@@ -1,3 +1,17 @@
+# Copyright 2024 Mattia Giambirtone & All Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 import nimfishpkg/tui
 import nimfishpkg/misc
 import nimfishpkg/movegen
diff --git a/Chess/nimfish/nimfishpkg/bitboards.nim b/Chess/nimfish/nimfishpkg/bitboards.nim
index 21e45cf..d8369ad 100644
--- a/Chess/nimfish/nimfishpkg/bitboards.nim
+++ b/Chess/nimfish/nimfishpkg/bitboards.nim
@@ -1,3 +1,17 @@
+# Copyright 2024 Mattia Giambirtone & All Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 ## Implements low-level bit operations
 
 
diff --git a/Chess/nimfish/nimfishpkg/magics.nim b/Chess/nimfish/nimfishpkg/magics.nim
index 99221d4..5c30a53 100644
--- a/Chess/nimfish/nimfishpkg/magics.nim
+++ b/Chess/nimfish/nimfishpkg/magics.nim
@@ -1,3 +1,17 @@
+# Copyright 2024 Mattia Giambirtone & All Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 ## Low-level magic bitboard stuff
 
 # Blatantly stolen from this amazing article: https://analog-hors.github.io/site/magic-bitboards/
diff --git a/Chess/nimfish/nimfishpkg/misc.nim b/Chess/nimfish/nimfishpkg/misc.nim
index c3dc033..f902669 100644
--- a/Chess/nimfish/nimfishpkg/misc.nim
+++ b/Chess/nimfish/nimfishpkg/misc.nim
@@ -1,3 +1,19 @@
+# Copyright 2024 Mattia Giambirtone & All Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+## Miscellaneous stuff
+
 import board
 
 
diff --git a/Chess/nimfish/nimfishpkg/movegen.nim b/Chess/nimfish/nimfishpkg/movegen.nim
index a7ee512..9a53fae 100644
--- a/Chess/nimfish/nimfishpkg/movegen.nim
+++ b/Chess/nimfish/nimfishpkg/movegen.nim
@@ -1,4 +1,4 @@
-# Copyright 2023 Mattia Giambirtone & All Contributors
+# Copyright 2024 Mattia Giambirtone & All Contributors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/Chess/nimfish/nimfishpkg/moves.nim b/Chess/nimfish/nimfishpkg/moves.nim
index 71fb2ad..4ee0d36 100644
--- a/Chess/nimfish/nimfishpkg/moves.nim
+++ b/Chess/nimfish/nimfishpkg/moves.nim
@@ -1,3 +1,17 @@
+# Copyright 2024 Mattia Giambirtone & All Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 ## Handling of moves
 import pieces
 
diff --git a/Chess/nimfish/nimfishpkg/pieces.nim b/Chess/nimfish/nimfishpkg/pieces.nim
index 2807275..fecd281 100644
--- a/Chess/nimfish/nimfishpkg/pieces.nim
+++ b/Chess/nimfish/nimfishpkg/pieces.nim
@@ -1,3 +1,17 @@
+# Copyright 2024 Mattia Giambirtone & All Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 ## Low-level handling of squares, board indeces and pieces
 import std/strutils
 import std/strformat
diff --git a/Chess/nimfish/nimfishpkg/position.nim b/Chess/nimfish/nimfishpkg/position.nim
index 00aa008..c5db813 100644
--- a/Chess/nimfish/nimfishpkg/position.nim
+++ b/Chess/nimfish/nimfishpkg/position.nim
@@ -1,3 +1,16 @@
+# Copyright 2024 Mattia Giambirtone & All Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 import bitboards
 import magics
 import pieces
diff --git a/Chess/nimfish/nimfishpkg/rays.nim b/Chess/nimfish/nimfishpkg/rays.nim
index 86e6306..4e39a5e 100644
--- a/Chess/nimfish/nimfishpkg/rays.nim
+++ b/Chess/nimfish/nimfishpkg/rays.nim
@@ -1,3 +1,17 @@
+# Copyright 2024 Mattia Giambirtone & All Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 import bitboards
 import magics
 
diff --git a/Chess/nimfish/nimfishpkg/tui.nim b/Chess/nimfish/nimfishpkg/tui.nim
index 4fb7dc8..7ea386d 100644
--- a/Chess/nimfish/nimfishpkg/tui.nim
+++ b/Chess/nimfish/nimfishpkg/tui.nim
@@ -1,3 +1,17 @@
+# Copyright 2024 Mattia Giambirtone & All Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 import movegen