diff --git a/readium/lcp/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
similarity index 87%
rename from readium/lcp/.github/ISSUE_TEMPLATE/bug_report.md
rename to .github/ISSUE_TEMPLATE/bug_report.md
index 36894ebd50..9b461e4a09 100644
--- a/readium/lcp/.github/ISSUE_TEMPLATE/bug_report.md
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -30,7 +30,7 @@ If you can, drag and drop screenshots or a screencast to show the problem, they
 <!--
 If you can, drag and drop the publication used to reproduce the problem, after zipping it.
 
-Then, explain the steps to reproduce the problem from the Test App (https://github.com/readium/r2-testapp-kotlin). For example:
+Then, explain the steps to reproduce the problem from the Test App. For example:
 
 1. Open book X
 2. Go to chapter Y
@@ -42,15 +42,7 @@ Then, explain the steps to reproduce the problem from the Test App (https://gith
 
 <!-- Fill in the following information -->
 
-#### Readium versions
-
-<!-- Remove unused modules -->
-
-* `r2-shared-kotlin`:
-* `r2-streamer-kotlin`:
-* `r2-navigator-kotlin`:
-* `r2-opds-kotlin`:
-* `r2-lcp-kotlin`:
+* Readium version:
 
 #### Development environment
 
diff --git a/readium/shared/.github/workflows/build.yml b/.github/workflows/lcp.yml
similarity index 64%
rename from readium/shared/.github/workflows/build.yml
rename to .github/workflows/lcp.yml
index fc8f5431c1..ea417b8604 100644
--- a/readium/shared/.github/workflows/build.yml
+++ b/.github/workflows/lcp.yml
@@ -1,10 +1,9 @@
-name: r2-shared-kotlin
+name: LCP
 
 on:
   push:
-    branches: [ develop ]
+    branches: [ main, develop ]
   pull_request:
-    branches: [ develop ]
 
 jobs:
   build:
@@ -14,12 +13,14 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+        with:
+          lfs: 'true'
       - name: Set up JDK 11
         uses: actions/setup-java@v2
         with:
           java-version: '11'
           distribution: 'adopt'
       - name: Build
-        run: ./gradlew build -x test
+        run: ./gradlew clean :readium:lcp:build -x test
       - name: Test
-        run: ./gradlew test
+        run: ./gradlew :readium:lcp:test --continue
diff --git a/.github/workflows/navigator.yml b/.github/workflows/navigator.yml
new file mode 100644
index 0000000000..b217d56694
--- /dev/null
+++ b/.github/workflows/navigator.yml
@@ -0,0 +1,52 @@
+name: Navigator
+
+on:
+  push:
+    branches: [ main, develop ]
+  pull_request:
+
+jobs:
+  build:
+    name: Build and test
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          lfs: 'true'
+      - name: Set up JDK 11
+        uses: actions/setup-java@v2
+        with:
+          java-version: '11'
+          distribution: 'adopt'
+      - name: Build
+        run: ./gradlew clean :readium:navigator:build -x test
+      - name: Test
+        run: ./gradlew :readium:navigator:test --continue
+
+  lint:
+    name: Lint
+    runs-on: macos-latest
+    defaults:
+      run:
+        working-directory: readium/navigator
+    env:
+      scripts: ${{ 'src/main/assets/_scripts' }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          lfs: 'true'
+      - name: Install dependencies
+        run: npm install --prefix "$scripts"
+      - name: Lint JavaScript
+        run: yarn --cwd "$scripts" run lint
+      - name: Check JavaScript formatting
+        run: yarn --cwd "$scripts" run checkformat
+      - name: Check if bundled scripts are up-to-date
+        run: |
+            make scripts
+            git diff --exit-code --name-only src/main/assets/readium/scripts
+
diff --git a/readium/lcp/.github/workflows/build.yml b/.github/workflows/opds.yml
similarity index 64%
rename from readium/lcp/.github/workflows/build.yml
rename to .github/workflows/opds.yml
index fbf42cc092..b4cd85f0f0 100644
--- a/readium/lcp/.github/workflows/build.yml
+++ b/.github/workflows/opds.yml
@@ -1,10 +1,9 @@
-name: r2-lcp-kotlin
+name: OPDS
 
 on:
   push:
-    branches: [ develop ]
+    branches: [ main, develop ]
   pull_request:
-    branches: [ develop ]
 
 jobs:
   build:
@@ -14,12 +13,14 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+        with:
+          lfs: 'true'
       - name: Set up JDK 11
         uses: actions/setup-java@v2
         with:
           java-version: '11'
           distribution: 'adopt'
       - name: Build
-        run: ./gradlew clean build -x test
+        run: ./gradlew clean :readium:opds:build -x test
       - name: Test
-        run: ./gradlew test --continue
+        run: ./gradlew :readium:opds:test --continue
diff --git a/readium/opds/.github/workflows/build.yml b/.github/workflows/shared.yml
similarity index 63%
rename from readium/opds/.github/workflows/build.yml
rename to .github/workflows/shared.yml
index 1971b7e988..5a72315886 100644
--- a/readium/opds/.github/workflows/build.yml
+++ b/.github/workflows/shared.yml
@@ -1,10 +1,9 @@
-name: r2-opds-kotlin
+name: Shared
 
 on:
   push:
-    branches: [ develop ]
+    branches: [ main, develop ]
   pull_request:
-    branches: [ develop ]
 
 jobs:
   build:
@@ -14,12 +13,14 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+        with:
+          lfs: 'true'
       - name: Set up JDK 11
         uses: actions/setup-java@v2
         with:
           java-version: '11'
           distribution: 'adopt'
       - name: Build
-        run: ./gradlew clean build -x test
+        run: ./gradlew clean :readium:shared:build -x test
       - name: Test
-        run: ./gradlew test --continue
+        run: ./gradlew :readium:shared:test --continue
diff --git a/readium/navigator/.github/workflows/build.yml b/.github/workflows/streamer.yml
similarity index 63%
rename from readium/navigator/.github/workflows/build.yml
rename to .github/workflows/streamer.yml
index bf9c3f15c2..9ada33caf4 100644
--- a/readium/navigator/.github/workflows/build.yml
+++ b/.github/workflows/streamer.yml
@@ -1,10 +1,9 @@
-name: Build
+name: Streamer
 
 on:
   push:
-    branches: [ develop ]
+    branches: [ main, develop ]
   pull_request:
-    branches: [ develop ]
 
 jobs:
   build:
@@ -14,12 +13,14 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+        with:
+          lfs: 'true'
       - name: Set up JDK 11
         uses: actions/setup-java@v2
         with:
           java-version: '11'
           distribution: 'adopt'
       - name: Build
-        run: ./gradlew clean build -x test
+        run: ./gradlew clean :readium:streamer:build -x test
       - name: Test
-        run: ./gradlew test --continue
+        run: ./gradlew :readium:streamer:test --continue
diff --git a/.github/workflows/test-app.yml b/.github/workflows/test-app.yml
new file mode 100644
index 0000000000..388850d9fb
--- /dev/null
+++ b/.github/workflows/test-app.yml
@@ -0,0 +1,24 @@
+name: Test App
+
+on:
+  push:
+    branches: [ main, develop ]
+  pull_request:
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          lfs: 'true'
+      - name: Set up JDK 11
+        uses: actions/setup-java@v2
+        with:
+          java-version: '11'
+          distribution: 'adopt'
+      - name: Build
+        run: ./gradlew clean :test-app:build
diff --git a/readium/navigator/.github/ISSUE_TEMPLATE/bug_report.md b/readium/navigator/.github/ISSUE_TEMPLATE/bug_report.md
deleted file mode 100644
index 36894ebd50..0000000000
--- a/readium/navigator/.github/ISSUE_TEMPLATE/bug_report.md
+++ /dev/null
@@ -1,76 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
-title: ''
-labels: ''
-assignees: ''
-
----
-
-## Bug Report
-
-<!--
-IMPORTANT: Your issue might be closed if we are not able to reproduce the problem. Please take the time to describe how to reproduce it and give as much details as possible. The more effort you put in, the more chance of finding a solution.
--->
-
-### What happened?
-
-<!--
-A clear and concise description of what the bug is.
-
-If you can, drag and drop screenshots or a screencast to show the problem, they are super helpful to avoid misunderstandings.
--->
-
-### Expected behavior
-
-<!-- Tell us what you think should happen. -->
-
-### How to reproduce?
-
-<!--
-If you can, drag and drop the publication used to reproduce the problem, after zipping it.
-
-Then, explain the steps to reproduce the problem from the Test App (https://github.com/readium/r2-testapp-kotlin). For example:
-
-1. Open book X
-2. Go to chapter Y
-3. Click on link Z
-4. See error
--->
-
-### Environment
-
-<!-- Fill in the following information -->
-
-#### Readium versions
-
-<!-- Remove unused modules -->
-
-* `r2-shared-kotlin`:
-* `r2-streamer-kotlin`:
-* `r2-navigator-kotlin`:
-* `r2-opds-kotlin`:
-* `r2-lcp-kotlin`:
-
-#### Development environment
-
-* OS: <!-- e.g. macOS 10.3 -->
-* IDE: <!-- e.g. Android Studio 4.1.3 -->
-
-#### Testing device
-
-* Android version:
-* Model: <!-- e.g. Pixel 3a -->
-* Is it an emulator? Yes or No
-
-### Additional context
-
-* Are you willing to fix the problem and contribute a pull request? Yes or No <!-- Help can be provided to guide you through the project -->
-
-<!--
-Share additional code showing how you use Readium, if relevant.
-
-Output logs are useful as well.
-
-If you already went through the codebase to find the bug, you can explain your findings here.
--->
diff --git a/readium/navigator/.github/workflows/lint.yml b/readium/navigator/.github/workflows/lint.yml
deleted file mode 100644
index 251dce18a5..0000000000
--- a/readium/navigator/.github/workflows/lint.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: Lint
-
-on:
-  push:
-    branches: [ develop ]
-  pull_request:
-    branches: [ develop ]
-
-jobs:
-  lint:
-    name: Lint
-    runs-on: macos-latest
-    env:
-      scripts: ${{ 'r2-navigator/src/main/assets/_scripts' }}
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-      - name: Install dependencies
-        run: npm install --prefix "$scripts"
-      - name: Lint JavaScript
-        run: yarn --cwd "$scripts" run lint
-      - name: Check JavaScript formatting
-        run: yarn --cwd "$scripts" run checkformat
-      - name: Check if bundled scripts are up-to-date
-        run: |
-            make scripts
-            git diff --exit-code --name-only r2-navigator/src/main/assets/readium/scripts
diff --git a/readium/opds/.github/ISSUE_TEMPLATE/bug_report.md b/readium/opds/.github/ISSUE_TEMPLATE/bug_report.md
deleted file mode 100644
index 36894ebd50..0000000000
--- a/readium/opds/.github/ISSUE_TEMPLATE/bug_report.md
+++ /dev/null
@@ -1,76 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
-title: ''
-labels: ''
-assignees: ''
-
----
-
-## Bug Report
-
-<!--
-IMPORTANT: Your issue might be closed if we are not able to reproduce the problem. Please take the time to describe how to reproduce it and give as much details as possible. The more effort you put in, the more chance of finding a solution.
--->
-
-### What happened?
-
-<!--
-A clear and concise description of what the bug is.
-
-If you can, drag and drop screenshots or a screencast to show the problem, they are super helpful to avoid misunderstandings.
--->
-
-### Expected behavior
-
-<!-- Tell us what you think should happen. -->
-
-### How to reproduce?
-
-<!--
-If you can, drag and drop the publication used to reproduce the problem, after zipping it.
-
-Then, explain the steps to reproduce the problem from the Test App (https://github.com/readium/r2-testapp-kotlin). For example:
-
-1. Open book X
-2. Go to chapter Y
-3. Click on link Z
-4. See error
--->
-
-### Environment
-
-<!-- Fill in the following information -->
-
-#### Readium versions
-
-<!-- Remove unused modules -->
-
-* `r2-shared-kotlin`:
-* `r2-streamer-kotlin`:
-* `r2-navigator-kotlin`:
-* `r2-opds-kotlin`:
-* `r2-lcp-kotlin`:
-
-#### Development environment
-
-* OS: <!-- e.g. macOS 10.3 -->
-* IDE: <!-- e.g. Android Studio 4.1.3 -->
-
-#### Testing device
-
-* Android version:
-* Model: <!-- e.g. Pixel 3a -->
-* Is it an emulator? Yes or No
-
-### Additional context
-
-* Are you willing to fix the problem and contribute a pull request? Yes or No <!-- Help can be provided to guide you through the project -->
-
-<!--
-Share additional code showing how you use Readium, if relevant.
-
-Output logs are useful as well.
-
-If you already went through the codebase to find the bug, you can explain your findings here.
--->
diff --git a/readium/shared/.github/ISSUE_TEMPLATE/bug_report.md b/readium/shared/.github/ISSUE_TEMPLATE/bug_report.md
deleted file mode 100644
index 36894ebd50..0000000000
--- a/readium/shared/.github/ISSUE_TEMPLATE/bug_report.md
+++ /dev/null
@@ -1,76 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
-title: ''
-labels: ''
-assignees: ''
-
----
-
-## Bug Report
-
-<!--
-IMPORTANT: Your issue might be closed if we are not able to reproduce the problem. Please take the time to describe how to reproduce it and give as much details as possible. The more effort you put in, the more chance of finding a solution.
--->
-
-### What happened?
-
-<!--
-A clear and concise description of what the bug is.
-
-If you can, drag and drop screenshots or a screencast to show the problem, they are super helpful to avoid misunderstandings.
--->
-
-### Expected behavior
-
-<!-- Tell us what you think should happen. -->
-
-### How to reproduce?
-
-<!--
-If you can, drag and drop the publication used to reproduce the problem, after zipping it.
-
-Then, explain the steps to reproduce the problem from the Test App (https://github.com/readium/r2-testapp-kotlin). For example:
-
-1. Open book X
-2. Go to chapter Y
-3. Click on link Z
-4. See error
--->
-
-### Environment
-
-<!-- Fill in the following information -->
-
-#### Readium versions
-
-<!-- Remove unused modules -->
-
-* `r2-shared-kotlin`:
-* `r2-streamer-kotlin`:
-* `r2-navigator-kotlin`:
-* `r2-opds-kotlin`:
-* `r2-lcp-kotlin`:
-
-#### Development environment
-
-* OS: <!-- e.g. macOS 10.3 -->
-* IDE: <!-- e.g. Android Studio 4.1.3 -->
-
-#### Testing device
-
-* Android version:
-* Model: <!-- e.g. Pixel 3a -->
-* Is it an emulator? Yes or No
-
-### Additional context
-
-* Are you willing to fix the problem and contribute a pull request? Yes or No <!-- Help can be provided to guide you through the project -->
-
-<!--
-Share additional code showing how you use Readium, if relevant.
-
-Output logs are useful as well.
-
-If you already went through the codebase to find the bug, you can explain your findings here.
--->
diff --git a/readium/streamer/.github/ISSUE_TEMPLATE/bug_report.md b/readium/streamer/.github/ISSUE_TEMPLATE/bug_report.md
deleted file mode 100644
index 36894ebd50..0000000000
--- a/readium/streamer/.github/ISSUE_TEMPLATE/bug_report.md
+++ /dev/null
@@ -1,76 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
-title: ''
-labels: ''
-assignees: ''
-
----
-
-## Bug Report
-
-<!--
-IMPORTANT: Your issue might be closed if we are not able to reproduce the problem. Please take the time to describe how to reproduce it and give as much details as possible. The more effort you put in, the more chance of finding a solution.
--->
-
-### What happened?
-
-<!--
-A clear and concise description of what the bug is.
-
-If you can, drag and drop screenshots or a screencast to show the problem, they are super helpful to avoid misunderstandings.
--->
-
-### Expected behavior
-
-<!-- Tell us what you think should happen. -->
-
-### How to reproduce?
-
-<!--
-If you can, drag and drop the publication used to reproduce the problem, after zipping it.
-
-Then, explain the steps to reproduce the problem from the Test App (https://github.com/readium/r2-testapp-kotlin). For example:
-
-1. Open book X
-2. Go to chapter Y
-3. Click on link Z
-4. See error
--->
-
-### Environment
-
-<!-- Fill in the following information -->
-
-#### Readium versions
-
-<!-- Remove unused modules -->
-
-* `r2-shared-kotlin`:
-* `r2-streamer-kotlin`:
-* `r2-navigator-kotlin`:
-* `r2-opds-kotlin`:
-* `r2-lcp-kotlin`:
-
-#### Development environment
-
-* OS: <!-- e.g. macOS 10.3 -->
-* IDE: <!-- e.g. Android Studio 4.1.3 -->
-
-#### Testing device
-
-* Android version:
-* Model: <!-- e.g. Pixel 3a -->
-* Is it an emulator? Yes or No
-
-### Additional context
-
-* Are you willing to fix the problem and contribute a pull request? Yes or No <!-- Help can be provided to guide you through the project -->
-
-<!--
-Share additional code showing how you use Readium, if relevant.
-
-Output logs are useful as well.
-
-If you already went through the codebase to find the bug, you can explain your findings here.
--->
diff --git a/readium/streamer/.github/workflows/build.yml b/readium/streamer/.github/workflows/build.yml
deleted file mode 100644
index ef2361cc70..0000000000
--- a/readium/streamer/.github/workflows/build.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-name: r2-streamer-kotlin
-
-on:
-  push:
-    branches: [ develop ]
-  pull_request:
-    branches: [ develop ]
-
-jobs:
-  build:
-    name: Build and test
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-      - name: Set up JDK 11
-        uses: actions/setup-java@v2
-        with:
-          java-version: '11'
-          distribution: 'adopt'
-      - name: Build
-        run: ./gradlew clean build -x test
-      - name: Test
-        run: ./gradlew test --continue
diff --git a/test-app/.github/workflows/build.yml b/test-app/.github/workflows/build.yml
index 8f38dcdc2d..bf2104fc49 100644
--- a/test-app/.github/workflows/build.yml
+++ b/test-app/.github/workflows/build.yml
@@ -14,6 +14,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+        with:
+          lfs: 'true'
       - name: Set up JDK 11
         uses: actions/setup-java@v2
         with: