diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8be6de2..0dd618f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,7 +26,7 @@ jobs:
             ${{ runner.os }}-ivy-scala-2_10-
 
       - name: Build for Scala 2.10
-        run: .github/workflows/sbt-build-simple.sh 2.10.7
+        run: .github/workflows/sbt-build-simple.sh core 2.10.7
 
   build_scala2_11:
     runs-on: ubuntu-latest
@@ -50,7 +50,7 @@ jobs:
             ${{ runner.os }}-ivy-scala-2_11-
 
       - name: Build for Scala 2.11
-        run: .github/workflows/sbt-build-simple.sh 2.11.12
+        run: .github/workflows/sbt-build-simple.sh core 2.11.12
 
   build_scala2_12:
     runs-on: ubuntu-latest
@@ -74,7 +74,7 @@ jobs:
             ${{ runner.os }}-ivy-scala-2_12-
 
       - name: Build for Scala 2.12
-        run: .github/workflows/sbt-build-simple.sh 2.12.10
+        run: .github/workflows/sbt-build-simple.sh core 2.12.10
 
   build_scala2_13:
     runs-on: ubuntu-latest
@@ -100,4 +100,4 @@ jobs:
       - name: Build for Scala 2.13
         env:
           COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
-        run: .github/workflows/sbt-build.sh 2.13.0
+        run: .github/workflows/sbt-build.sh core 2.13.0
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 381f703..aa3418a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,16 +17,16 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_AUTH_TOKEN }}
       run: |
         echo "Run] sbt GitHub release"
-        echo 'sbt -J-Xmx2048m "; clean; +test; +packagedArtifacts; gitHubRelease"'
-        sbt -J-Xmx2048m "; clean; +test; +packagedArtifacts; gitHubRelease"
+        echo 'sbt -J-Xmx2048m "; project core; clean; +test; +packagedArtifacts; gitHubRelease"'
+        sbt -J-Xmx2048m "; project core; clean; +test; +packagedArtifacts; gitHubRelease"
     - name: sbt Publish
       env:
         BINTRAY_USER: ${{ secrets.BINTRAY_USER }}
         BINTRAY_PASS: ${{ secrets.BINTRAY_PASS }}
       run: |
         echo "Run] sbt GitHub release"
-        echo 'sbt -J-Xmx2048m "; clean; +publish"'
-        sbt -J-Xmx2048m "; clean; +publish"
+        echo 'sbt -J-Xmx2048m "; project core; clean; +publish"'
+        sbt -J-Xmx2048m "; project core; clean; +publish"
     - name: Sync to Maven Central
       env:
         BINTRAY_USER: ${{ secrets.BINTRAY_USER }}
@@ -35,10 +35,11 @@ jobs:
         PROJECT_VERSION="${GITHUB_REF#refs/tags/v}"
         BINTRAY_SUBJECT=kevinlee
         BINTRAY_REPO=maven
-        BINTRAY_PACKAGE=just-fp
+        BINTRAY_PACKAGE=just-fp-core
         echo "BINTRAY_SUBJECT: $BINTRAY_SUBJECT"
         echo "   BINTRAY_REPO: $BINTRAY_REPO"
         echo "BINTRAY_PACKAGE: $BINTRAY_PACKAGE"
         echo "PROJECT_VERSION: $PROJECT_VERSION"
-        echo "Sync to Maven Central..."
-        curl --user $BINTRAY_USER:$BINTRAY_PASS -X POST "https://api.bintray.com/maven_central_sync/$BINTRAY_SUBJECT/$BINTRAY_REPO/$BINTRAY_PACKAGE/versions/$PROJECT_VERSION"
+# Uncomment once Bintray is connected to JCenter
+#        echo "Sync to Maven Central..."
+#        curl --user $BINTRAY_USER:$BINTRAY_PASS -X POST "https://api.bintray.com/maven_central_sync/$BINTRAY_SUBJECT/$BINTRAY_REPO/$BINTRAY_PACKAGE/versions/$PROJECT_VERSION"
diff --git a/.github/workflows/sbt-build-simple.sh b/.github/workflows/sbt-build-simple.sh
index ce6c701..1440bbb 100755
--- a/.github/workflows/sbt-build-simple.sh
+++ b/.github/workflows/sbt-build-simple.sh
@@ -2,13 +2,14 @@
 
 set -x
 
-if [ -z "$1" ]
+if [ -z "$2" ]
   then
-    echo "Scala version is missing. Please enter the Scala version."
-    echo "sbt-build-simple.sh 2.11.12"
+    echo "Missing parameters. Please enter the [project] and [Scala version]."
+    echo "sbt-build-simple.sh core 2.12.10"
     exit 1
 else
-  scala_version=$1
+  project_name=$1
+  scala_version=$2
   echo "============================================"
   echo "Build projects (Simple)"
   echo "--------------------------------------------"
@@ -16,9 +17,9 @@ else
   CURRENT_BRANCH_NAME="${GITHUB_REF#refs/heads/}"
   if [[ "$CURRENT_BRANCH_NAME" == "master" || "$CURRENT_BRANCH_NAME" == "release" ]]
   then
-    sbt -J-Xmx2048m "; ++ ${scala_version}!; clean; test; packagedArtifacts"
+    sbt -J-Xmx2048m "; project ${project_name}; ++ ${scala_version}! -v; clean; test; packagedArtifacts"
   else
-    sbt -J-Xmx2048m "; ++ ${scala_version}!; clean; test; package"
+    sbt -J-Xmx2048m "; project ${project_name}; ++ ${scala_version}! -v; clean; test; package"
   fi
 
   echo "============================================"
diff --git a/.github/workflows/sbt-build.sh b/.github/workflows/sbt-build.sh
index e9f7bc1..3607293 100755
--- a/.github/workflows/sbt-build.sh
+++ b/.github/workflows/sbt-build.sh
@@ -2,13 +2,14 @@
 
 set -x
 
-if [ -z "$1" ]
+if [ -z "$2" ]
   then
-    echo "Scala version is missing. Please enter the Scala version."
-    echo "sbt-build.sh 2.11.12"
+    echo "Missing parameters. Please enter the [project] and [Scala version]."
+    echo "sbt-build.sh core 2.12.10"
     exit 1
 else
-  scala_version=$1
+  project_name=$1
+  scala_version=$2
   echo "============================================"
   echo "Build projects"
   echo "--------------------------------------------"
@@ -16,12 +17,12 @@ else
   export CI_BRANCH="${GITHUB_REF#refs/heads/}"
   if [[ "$CI_BRANCH" == "master" || "$CI_BRANCH" == "release" ]]
   then
-    sbt -J-Xmx2048m "; ++ ${scala_version}!; clean; coverage; test; coverageReport; coverageAggregate"
-    sbt -J-Xmx2048m "; ++ ${scala_version}!; coveralls"
-    sbt -J-Xmx2048m "; ++ ${scala_version}!; clean; packagedArtifacts"
+    sbt -J-Xmx2048m "; project ${project_name}; ++ ${scala_version}!; clean; coverage; test; coverageReport; coverageAggregate"
+    sbt -J-Xmx2048m "; project ${project_name}; ++ ${scala_version}!; coveralls"
+    sbt -J-Xmx2048m "; project ${project_name}; ++ ${scala_version}!; clean; packagedArtifacts"
   else
-    sbt -J-Xmx2048m "; ++ ${scala_version}!; clean; coverage; test; coverageReport; coverageAggregate; package"
-    sbt -J-Xmx2048m "; ++ ${scala_version}!; coveralls"
+    sbt -J-Xmx2048m "; project ${project_name}; ++ ${scala_version}!; clean; coverage; test; coverageReport; coverageAggregate; package"
+    sbt -J-Xmx2048m "; project ${project_name}; ++ ${scala_version}!; coveralls"
   fi
 
 
diff --git a/build.sbt b/build.sbt
index 4113b99..34bc274 100644
--- a/build.sbt
+++ b/build.sbt
@@ -30,13 +30,22 @@ ThisBuild / scmInfo :=
     , "git@github.com:Kevin-Lee/just-fp.git"
     ))
 
+def prefixedProjectName(name: String) = s"just-fp${if (name.isEmpty) "" else s"-$name"}"
+
 lazy val justFp = (project in file("."))
-  .enablePlugins(DevOopsGitReleasePlugin)
   .settings(
-    name := "just-fp"
+    name := prefixedProjectName("")
   , description  := "Just FP Lib"
+  )
+  .dependsOn(core)
+
+lazy val core = (project in file("core"))
+  .enablePlugins(DevOopsGitReleasePlugin)
+  .settings(
+    name := prefixedProjectName("core")
+  , description  := "Just FP Lib - Core"
   , unmanagedSourceDirectories in Compile ++= {
-      val sharedSourceDir = (baseDirectory in ThisBuild).value / "src/main"
+      val sharedSourceDir = baseDirectory.value / "src/main"
       if (scalaVersion.value.startsWith("2.13") || scalaVersion.value.startsWith("2.12"))
         Seq(sharedSourceDir / "scala-2.12_2.13")
       else
diff --git a/src/main/scala-2.10_2.11/just/fp/compat/EitherCompat.scala b/core/src/main/scala-2.10_2.11/just/fp/compat/EitherCompat.scala
similarity index 100%
rename from src/main/scala-2.10_2.11/just/fp/compat/EitherCompat.scala
rename to core/src/main/scala-2.10_2.11/just/fp/compat/EitherCompat.scala
diff --git a/src/main/scala-2.12_2.13/just/fp/compat/EitherCompat.scala b/core/src/main/scala-2.12_2.13/just/fp/compat/EitherCompat.scala
similarity index 100%
rename from src/main/scala-2.12_2.13/just/fp/compat/EitherCompat.scala
rename to core/src/main/scala-2.12_2.13/just/fp/compat/EitherCompat.scala
diff --git a/src/main/scala/just/fp/Applicative.scala b/core/src/main/scala/just/fp/Applicative.scala
similarity index 100%
rename from src/main/scala/just/fp/Applicative.scala
rename to core/src/main/scala/just/fp/Applicative.scala
diff --git a/src/main/scala/just/fp/EitherT.scala b/core/src/main/scala/just/fp/EitherT.scala
similarity index 100%
rename from src/main/scala/just/fp/EitherT.scala
rename to core/src/main/scala/just/fp/EitherT.scala
diff --git a/src/main/scala/just/fp/Equal.scala b/core/src/main/scala/just/fp/Equal.scala
similarity index 100%
rename from src/main/scala/just/fp/Equal.scala
rename to core/src/main/scala/just/fp/Equal.scala
diff --git a/src/main/scala/just/fp/Functor.scala b/core/src/main/scala/just/fp/Functor.scala
similarity index 100%
rename from src/main/scala/just/fp/Functor.scala
rename to core/src/main/scala/just/fp/Functor.scala
diff --git a/src/main/scala/just/fp/Monad.scala b/core/src/main/scala/just/fp/Monad.scala
similarity index 100%
rename from src/main/scala/just/fp/Monad.scala
rename to core/src/main/scala/just/fp/Monad.scala
diff --git a/src/main/scala/just/fp/Monoid.scala b/core/src/main/scala/just/fp/Monoid.scala
similarity index 100%
rename from src/main/scala/just/fp/Monoid.scala
rename to core/src/main/scala/just/fp/Monoid.scala
diff --git a/src/main/scala/just/fp/OptionT.scala b/core/src/main/scala/just/fp/OptionT.scala
similarity index 100%
rename from src/main/scala/just/fp/OptionT.scala
rename to core/src/main/scala/just/fp/OptionT.scala
diff --git a/src/main/scala/just/fp/SemiGroup.scala b/core/src/main/scala/just/fp/SemiGroup.scala
similarity index 100%
rename from src/main/scala/just/fp/SemiGroup.scala
rename to core/src/main/scala/just/fp/SemiGroup.scala
diff --git a/src/main/scala/just/fp/WriterT.scala b/core/src/main/scala/just/fp/WriterT.scala
similarity index 100%
rename from src/main/scala/just/fp/WriterT.scala
rename to core/src/main/scala/just/fp/WriterT.scala
diff --git a/src/main/scala/just/fp/instances/BigDecimalInstances.scala b/core/src/main/scala/just/fp/instances/BigDecimalInstances.scala
similarity index 100%
rename from src/main/scala/just/fp/instances/BigDecimalInstances.scala
rename to core/src/main/scala/just/fp/instances/BigDecimalInstances.scala
diff --git a/src/main/scala/just/fp/instances/BigIntInstances.scala b/core/src/main/scala/just/fp/instances/BigIntInstances.scala
similarity index 100%
rename from src/main/scala/just/fp/instances/BigIntInstances.scala
rename to core/src/main/scala/just/fp/instances/BigIntInstances.scala
diff --git a/src/main/scala/just/fp/instances/BooleanInstances.scala b/core/src/main/scala/just/fp/instances/BooleanInstances.scala
similarity index 100%
rename from src/main/scala/just/fp/instances/BooleanInstances.scala
rename to core/src/main/scala/just/fp/instances/BooleanInstances.scala
diff --git a/src/main/scala/just/fp/instances/ByteInstances.scala b/core/src/main/scala/just/fp/instances/ByteInstances.scala
similarity index 100%
rename from src/main/scala/just/fp/instances/ByteInstances.scala
rename to core/src/main/scala/just/fp/instances/ByteInstances.scala
diff --git a/src/main/scala/just/fp/instances/CharInstances.scala b/core/src/main/scala/just/fp/instances/CharInstances.scala
similarity index 100%
rename from src/main/scala/just/fp/instances/CharInstances.scala
rename to core/src/main/scala/just/fp/instances/CharInstances.scala
diff --git a/src/main/scala/just/fp/instances/DoubleInstances.scala b/core/src/main/scala/just/fp/instances/DoubleInstances.scala
similarity index 100%
rename from src/main/scala/just/fp/instances/DoubleInstances.scala
rename to core/src/main/scala/just/fp/instances/DoubleInstances.scala
diff --git a/src/main/scala/just/fp/instances/FloatInstances.scala b/core/src/main/scala/just/fp/instances/FloatInstances.scala
similarity index 100%
rename from src/main/scala/just/fp/instances/FloatInstances.scala
rename to core/src/main/scala/just/fp/instances/FloatInstances.scala
diff --git a/src/main/scala/just/fp/instances/IntInstances.scala b/core/src/main/scala/just/fp/instances/IntInstances.scala
similarity index 100%
rename from src/main/scala/just/fp/instances/IntInstances.scala
rename to core/src/main/scala/just/fp/instances/IntInstances.scala
diff --git a/src/main/scala/just/fp/instances/LongInstances.scala b/core/src/main/scala/just/fp/instances/LongInstances.scala
similarity index 100%
rename from src/main/scala/just/fp/instances/LongInstances.scala
rename to core/src/main/scala/just/fp/instances/LongInstances.scala
diff --git a/src/main/scala/just/fp/instances/ShortInstances.scala b/core/src/main/scala/just/fp/instances/ShortInstances.scala
similarity index 100%
rename from src/main/scala/just/fp/instances/ShortInstances.scala
rename to core/src/main/scala/just/fp/instances/ShortInstances.scala
diff --git a/src/main/scala/just/fp/instances/StringInstances.scala b/core/src/main/scala/just/fp/instances/StringInstances.scala
similarity index 100%
rename from src/main/scala/just/fp/instances/StringInstances.scala
rename to core/src/main/scala/just/fp/instances/StringInstances.scala
diff --git a/src/main/scala/just/fp/package.scala b/core/src/main/scala/just/fp/package.scala
similarity index 100%
rename from src/main/scala/just/fp/package.scala
rename to core/src/main/scala/just/fp/package.scala
diff --git a/src/main/scala/just/fp/syntax/EitherSyntax.scala b/core/src/main/scala/just/fp/syntax/EitherSyntax.scala
similarity index 100%
rename from src/main/scala/just/fp/syntax/EitherSyntax.scala
rename to core/src/main/scala/just/fp/syntax/EitherSyntax.scala
diff --git a/src/main/scala/just/fp/syntax/EqualSyntax.scala b/core/src/main/scala/just/fp/syntax/EqualSyntax.scala
similarity index 100%
rename from src/main/scala/just/fp/syntax/EqualSyntax.scala
rename to core/src/main/scala/just/fp/syntax/EqualSyntax.scala
diff --git a/src/main/scala/just/fp/syntax/OptionSyntax.scala b/core/src/main/scala/just/fp/syntax/OptionSyntax.scala
similarity index 100%
rename from src/main/scala/just/fp/syntax/OptionSyntax.scala
rename to core/src/main/scala/just/fp/syntax/OptionSyntax.scala
diff --git a/src/main/scala/just/fp/syntax/SemiGroupSyntax.scala b/core/src/main/scala/just/fp/syntax/SemiGroupSyntax.scala
similarity index 100%
rename from src/main/scala/just/fp/syntax/SemiGroupSyntax.scala
rename to core/src/main/scala/just/fp/syntax/SemiGroupSyntax.scala
diff --git a/src/main/scala/just/fp/syntax/WriterSyntax.scala b/core/src/main/scala/just/fp/syntax/WriterSyntax.scala
similarity index 100%
rename from src/main/scala/just/fp/syntax/WriterSyntax.scala
rename to core/src/main/scala/just/fp/syntax/WriterSyntax.scala
diff --git a/src/main/scala/just/fp/syntax/package.scala b/core/src/main/scala/just/fp/syntax/package.scala
similarity index 100%
rename from src/main/scala/just/fp/syntax/package.scala
rename to core/src/main/scala/just/fp/syntax/package.scala
diff --git a/src/test/scala/just/fp/ApplicativeSpec.scala b/core/src/test/scala/just/fp/ApplicativeSpec.scala
similarity index 100%
rename from src/test/scala/just/fp/ApplicativeSpec.scala
rename to core/src/test/scala/just/fp/ApplicativeSpec.scala
diff --git a/src/test/scala/just/fp/EitherTSpec.scala b/core/src/test/scala/just/fp/EitherTSpec.scala
similarity index 100%
rename from src/test/scala/just/fp/EitherTSpec.scala
rename to core/src/test/scala/just/fp/EitherTSpec.scala
diff --git a/src/test/scala/just/fp/FunctorSpec.scala b/core/src/test/scala/just/fp/FunctorSpec.scala
similarity index 100%
rename from src/test/scala/just/fp/FunctorSpec.scala
rename to core/src/test/scala/just/fp/FunctorSpec.scala
diff --git a/src/test/scala/just/fp/Gens.scala b/core/src/test/scala/just/fp/Gens.scala
similarity index 100%
rename from src/test/scala/just/fp/Gens.scala
rename to core/src/test/scala/just/fp/Gens.scala
diff --git a/src/test/scala/just/fp/MonadSpec.scala b/core/src/test/scala/just/fp/MonadSpec.scala
similarity index 100%
rename from src/test/scala/just/fp/MonadSpec.scala
rename to core/src/test/scala/just/fp/MonadSpec.scala
diff --git a/src/test/scala/just/fp/MonoidSpec.scala b/core/src/test/scala/just/fp/MonoidSpec.scala
similarity index 100%
rename from src/test/scala/just/fp/MonoidSpec.scala
rename to core/src/test/scala/just/fp/MonoidSpec.scala
diff --git a/src/test/scala/just/fp/OptionTSpec.scala b/core/src/test/scala/just/fp/OptionTSpec.scala
similarity index 100%
rename from src/test/scala/just/fp/OptionTSpec.scala
rename to core/src/test/scala/just/fp/OptionTSpec.scala
diff --git a/src/test/scala/just/fp/Specs.scala b/core/src/test/scala/just/fp/Specs.scala
similarity index 100%
rename from src/test/scala/just/fp/Specs.scala
rename to core/src/test/scala/just/fp/Specs.scala
diff --git a/src/test/scala/just/fp/WriterTSpec.scala b/core/src/test/scala/just/fp/WriterTSpec.scala
similarity index 100%
rename from src/test/scala/just/fp/WriterTSpec.scala
rename to core/src/test/scala/just/fp/WriterTSpec.scala
diff --git a/src/test/scala/just/fp/syntax/EitherOpsSpec.scala b/core/src/test/scala/just/fp/syntax/EitherOpsSpec.scala
similarity index 100%
rename from src/test/scala/just/fp/syntax/EitherOpsSpec.scala
rename to core/src/test/scala/just/fp/syntax/EitherOpsSpec.scala
diff --git a/src/test/scala/just/fp/syntax/EqualSyntaxSpec.scala b/core/src/test/scala/just/fp/syntax/EqualSyntaxSpec.scala
similarity index 100%
rename from src/test/scala/just/fp/syntax/EqualSyntaxSpec.scala
rename to core/src/test/scala/just/fp/syntax/EqualSyntaxSpec.scala
diff --git a/src/test/scala/just/fp/syntax/OptionSyntaxSpec.scala b/core/src/test/scala/just/fp/syntax/OptionSyntaxSpec.scala
similarity index 100%
rename from src/test/scala/just/fp/syntax/OptionSyntaxSpec.scala
rename to core/src/test/scala/just/fp/syntax/OptionSyntaxSpec.scala
diff --git a/src/test/scala/just/fp/syntax/SemiGroupSyntaxSpec.scala b/core/src/test/scala/just/fp/syntax/SemiGroupSyntaxSpec.scala
similarity index 100%
rename from src/test/scala/just/fp/syntax/SemiGroupSyntaxSpec.scala
rename to core/src/test/scala/just/fp/syntax/SemiGroupSyntaxSpec.scala
diff --git a/src/test/scala/just/fp/syntax/WriterSyntaxSpec.scala b/core/src/test/scala/just/fp/syntax/WriterSyntaxSpec.scala
similarity index 100%
rename from src/test/scala/just/fp/syntax/WriterSyntaxSpec.scala
rename to core/src/test/scala/just/fp/syntax/WriterSyntaxSpec.scala
diff --git a/src/test/scala/just/fp/testing/EqualUtil.scala b/core/src/test/scala/just/fp/testing/EqualUtil.scala
similarity index 100%
rename from src/test/scala/just/fp/testing/EqualUtil.scala
rename to core/src/test/scala/just/fp/testing/EqualUtil.scala
diff --git a/src/test/scala/just/fp/testing/TestPredef.scala b/core/src/test/scala/just/fp/testing/TestPredef.scala
similarity index 100%
rename from src/test/scala/just/fp/testing/TestPredef.scala
rename to core/src/test/scala/just/fp/testing/TestPredef.scala
diff --git a/src/test/scala/just/fp/testing/TypeUtil.scala b/core/src/test/scala/just/fp/testing/TypeUtil.scala
similarity index 100%
rename from src/test/scala/just/fp/testing/TypeUtil.scala
rename to core/src/test/scala/just/fp/testing/TypeUtil.scala