diff --git a/_build/create-release.sh b/.build/create-release.sh
similarity index 78%
rename from _build/create-release.sh
rename to .build/create-release.sh
index d9f21d6..152825e 100755
--- a/_build/create-release.sh
+++ b/.build/create-release.sh
@@ -2,13 +2,7 @@
 set -e
 
 . "$(dirname "$0")/tools/functions/parse-version.sh.inc"
-export PATH="$(dirname "$0")/tools:$PATH"
-
-DEPLOYMENT_ID="${TRAVIS_TAG//\//_}"
-DEPLOYMENT_DIR="$TRAVIS_BUILD_DIR/_build/release-$DEPLOYMENT_ID.git"
-
-[ -n "$RELEASE_REPO_SLUG" ] || export RELEASE_REPO_SLUG="$TRAVIS_REPO_SLUG"
-[ -n "$RELEASE_REPO_BRANCH" ] || export RELEASE_REPO_BRANCH="master"
+export PATH="$PICO_TOOLS_DIR:$PATH"
 
 # parameters
 ARCHIVE="$1"    # release archive file name
@@ -19,15 +13,15 @@ if [ -z "$ARCHIVE" ]; then
 fi
 
 # parse version
-if ! parse_version "$TRAVIS_TAG"; then
-    echo "Unable to create release archive: Invalid version '$TRAVIS_TAG'" >&2
+if ! parse_version "$PROJECT_REPO_TAG"; then
+    echo "Unable to create release archive: Invalid version '$PROJECT_REPO_TAG'" >&2
     exit 1
 fi
 
 # clone repo
-github-clone.sh "$DEPLOYMENT_DIR" "https://github.com/$RELEASE_REPO_SLUG.git" "$RELEASE_REPO_BRANCH"
+github-clone.sh "$PICO_BUILD_DIR" "https://github.com/$RELEASE_REPO_SLUG.git" "$RELEASE_REPO_BRANCH"
 
-cd "$DEPLOYMENT_DIR"
+cd "$PICO_BUILD_DIR"
 
 # force Pico version
 echo "Updating composer dependencies..."
diff --git a/.build/deploy-branch.sh b/.build/deploy-branch.sh
new file mode 100755
index 0000000..3917aa1
--- /dev/null
+++ b/.build/deploy-branch.sh
@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+set -e
+
+export PATH="$PICO_TOOLS_DIR:$PATH"
+
+# get current Pico milestone
+VERSION="$(php -r "require_once('$PICO_PROJECT_DIR/lib/Pico.php'); echo Pico::VERSION;")"
+MILESTONE="Pico$([[ "$VERSION" =~ ^([0-9]+\.[0-9]+)\. ]] && echo " ${BASH_REMATCH[1]}")"
+
+echo "Deploying $PROJECT_REPO_BRANCH branch ($MILESTONE)..."
+echo
+
+# clone repo
+github-clone.sh "$PICO_DEPLOY_DIR" "https://github.com/$DEPLOY_REPO_SLUG.git" "$DEPLOY_REPO_BRANCH"
+
+cd "$PICO_DEPLOY_DIR"
+
+# setup repo
+github-setup.sh
+
+# generate phpDocs
+generate-phpdoc.sh \
+    "$PICO_PROJECT_DIR/.phpdoc.xml" \
+    "$PICO_DEPLOY_DIR/phpDoc/$PICO_DEPLOYMENT.cache" "$PICO_DEPLOY_DIR/phpDoc/$PICO_DEPLOYMENT" \
+    "$MILESTONE API Documentation ($PROJECT_REPO_BRANCH branch)"
+
+if [ -z "$(git status --porcelain "$PICO_DEPLOY_DIR/phpDoc/$PICO_DEPLOYMENT.cache")" ]; then
+    # nothing to do
+    exit 0
+fi
+
+# update phpDoc list
+update-phpdoc-list.sh \
+    "$PICO_DEPLOY_DIR/_data/phpDoc.yml" \
+    "$PICO_DEPLOYMENT" "branch" "<code>$PROJECT_REPO_BRANCH</code> branch" "$(date +%s)"
+
+# commit phpDocs
+github-commit.sh \
+    "Update phpDocumentor class docs for $PROJECT_REPO_BRANCH branch @ $PROJECT_REPO_COMMIT" \
+    "$PICO_DEPLOY_DIR/phpDoc/$PICO_DEPLOYMENT.cache" "$PICO_DEPLOY_DIR/phpDoc/$PICO_DEPLOYMENT" \
+    "$PICO_DEPLOY_DIR/_data/phpDoc.yml"
+
+# deploy phpDocs
+github-deploy.sh "$PROJECT_REPO_SLUG" "heads/$PROJECT_REPO_BRANCH" "$PROJECT_REPO_COMMIT"
diff --git a/_build/deploy-release.sh b/.build/deploy-release.sh
similarity index 57%
rename from _build/deploy-release.sh
rename to .build/deploy-release.sh
index 48f3209..d2a61a1 100755
--- a/_build/deploy-release.sh
+++ b/.build/deploy-release.sh
@@ -32,17 +32,11 @@ if [ "$DEPLOY_FULL" != "true" ]; then
 fi
 
 . "$(dirname "$0")/tools/functions/parse-version.sh.inc"
-export PATH="$(dirname "$0")/tools:$PATH"
-
-DEPLOYMENT_ID="${TRAVIS_TAG//\//_}"
-DEPLOYMENT_DIR="$TRAVIS_BUILD_DIR/_build/deploy-$DEPLOYMENT_ID.git"
-
-[ -n "$DEPLOY_REPO_SLUG" ] || export DEPLOY_REPO_SLUG="$TRAVIS_REPO_SLUG"
-[ -n "$DEPLOY_REPO_BRANCH" ] || export DEPLOY_REPO_BRANCH="gh-pages"
+export PATH="$PICO_TOOLS_DIR:$PATH"
 
 # parse version
-if ! parse_version "$TRAVIS_TAG"; then
-    echo "Invalid version '$TRAVIS_TAG'; aborting..." >&2
+if ! parse_version "$PROJECT_REPO_TAG"; then
+    echo "Invalid version '$PROJECT_REPO_TAG'; aborting..." >&2
     exit 1
 fi
 
@@ -53,9 +47,9 @@ printf 'VERSION_ID="%s"\n' "$VERSION_ID"
 echo
 
 # clone repo
-github-clone.sh "$DEPLOYMENT_DIR" "https://github.com/$DEPLOY_REPO_SLUG.git" "$DEPLOY_REPO_BRANCH"
+github-clone.sh "$PICO_DEPLOY_DIR" "https://github.com/$DEPLOY_REPO_SLUG.git" "$DEPLOY_REPO_BRANCH"
 
-cd "$DEPLOYMENT_DIR"
+cd "$PICO_DEPLOY_DIR"
 
 # setup repo
 github-setup.sh
@@ -64,20 +58,20 @@ github-setup.sh
 if [ "$DEPLOY_PHPDOC_RELEASES" == "true" ]; then
     # generate phpDocs
     generate-phpdoc.sh \
-        "$TRAVIS_BUILD_DIR/.phpdoc.xml" \
-        "-" "$DEPLOYMENT_DIR/phpDoc/$DEPLOYMENT_ID" \
-        "Pico $VERSION_MILESTONE API Documentation ($TRAVIS_TAG)"
+        "$PICO_PROJECT_DIR/.phpdoc.xml" \
+        "-" "$PICO_DEPLOY_DIR/phpDoc/$PICO_DEPLOYMENT" \
+        "Pico $VERSION_MILESTONE API Documentation (v$VERSION_FULL)"
 
-    if [ -n "$(git status --porcelain "$DEPLOYMENT_DIR/phpDoc/$DEPLOYMENT_ID")" ]; then
+    if [ -n "$(git status --porcelain "$PICO_DEPLOY_DIR/phpDoc/$PICO_DEPLOYMENT")" ]; then
         # update phpDoc list
         update-phpdoc-list.sh \
-            "$DEPLOYMENT_DIR/_data/phpDoc.yml" \
-            "$TRAVIS_TAG" "version" "Pico ${TRAVIS_TAG#v}" "$(date +%s)"
+            "$PICO_DEPLOY_DIR/_data/phpDoc.yml" \
+            "$PICO_DEPLOYMENT" "version" "Pico $VERSION_FULL" "$(date +%s)"
 
         # commit phpDocs
         github-commit.sh \
-            "Update phpDocumentor class docs for $TRAVIS_TAG" \
-            "$DEPLOYMENT_DIR/phpDoc/$DEPLOYMENT_ID" "$DEPLOYMENT_DIR/_data/phpDoc.yml"
+            "Update phpDocumentor class docs for v$VERSION_FULL" \
+            "$PICO_DEPLOY_DIR/phpDoc/$PICO_DEPLOYMENT" "$PICO_DEPLOY_DIR/_data/phpDoc.yml"
     fi
 fi
 
@@ -86,37 +80,37 @@ if [ "$VERSION_STABILITY" == "stable" ]; then
     # update version badge
     if [ "$DEPLOY_VERSION_BADGE" == "true" ]; then
         generate-badge.sh \
-            "$DEPLOYMENT_DIR/badges/pico-version.svg" \
-            "release" "$TRAVIS_TAG" "blue"
+            "$PICO_DEPLOY_DIR/badges/pico-version.svg" \
+            "release" "$VERSION_FULL" "blue"
 
         # commit version badge
         github-commit.sh \
-            "Update version badge for $TRAVIS_TAG" \
-            "$DEPLOYMENT_DIR/badges/pico-version.svg"
+            "Update version badge for v$VERSION_FULL" \
+            "$PICO_DEPLOY_DIR/badges/pico-version.svg"
     fi
 
     # update version file
     if [ "$DEPLOY_VERSION_FILE" == "true" ]; then
         update-version-file.sh \
-            "$DEPLOYMENT_DIR/_data/version.yml" \
+            "$PICO_DEPLOY_DIR/_data/version.yml" \
             "$VERSION_FULL"
 
         # commit version file
         github-commit.sh \
-            "Update version file for $TRAVIS_TAG" \
-            "$DEPLOYMENT_DIR/_data/version.yml"
+            "Update version file for v$VERSION_FULL" \
+            "$PICO_DEPLOY_DIR/_data/version.yml"
     fi
 
     # update cloc statistics
     if [ "$DEPLOY_CLOC_STATS" == "true" ]; then
-        update-cloc-stats.sh "$DEPLOYMENT_DIR/_data/cloc.yml"
+        update-cloc-stats.sh "$PICO_DEPLOY_DIR/_data/cloc.yml"
 
         # commit cloc statistics
         github-commit.sh \
-            "Update cloc statistics for $TRAVIS_TAG" \
-            "$DEPLOYMENT_DIR/_data/cloc.yml"
+            "Update cloc statistics for v$VERSION_FULL" \
+            "$PICO_DEPLOY_DIR/_data/cloc.yml"
     fi
 fi
 
 # deploy
-github-deploy.sh "$TRAVIS_REPO_SLUG" "tags/$TRAVIS_TAG" "$TRAVIS_COMMIT"
+github-deploy.sh "$PROJECT_REPO_SLUG" "tags/$PROJECT_REPO_TAG" "$PROJECT_REPO_COMMIT"
diff --git a/_build/deploy.sh b/.build/deploy.sh
similarity index 76%
rename from _build/deploy.sh
rename to .build/deploy.sh
index 3d5e4b5..0ef0c10 100755
--- a/_build/deploy.sh
+++ b/.build/deploy.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-if [ -n "$TRAVIS_TAG" ]; then
+if [ -n "$PROJECT_REPO_TAG" ]; then
     exec "$(dirname "$0")/deploy-release.sh"
 else
     exec "$(dirname "$0")/deploy-branch.sh"
diff --git a/_build/install.sh b/.build/install.sh
similarity index 74%
rename from _build/install.sh
rename to .build/install.sh
index dee3ee5..713f521 100755
--- a/_build/install.sh
+++ b/.build/install.sh
@@ -21,19 +21,19 @@ if [ -n "$GITHUB_OAUTH_TOKEN" ]; then
 fi
 
 # set COMPOSER_ROOT_VERSION when necessary
-if [ -z "$COMPOSER_ROOT_VERSION" ] && [ -z "$TRAVIS_TAG" ] && [ "$TRAVIS_PULL_REQUEST" == "false" ]; then
+if [ -z "$COMPOSER_ROOT_VERSION" ] && [ -n "$PROJECT_REPO_BRANCH" ]; then
     PICO_VERSION_PATTERN="$(php -r "
-        \$json = json_decode(file_get_contents('$TRAVIS_BUILD_DIR/composer.json'), true);
+        \$json = json_decode(file_get_contents('$PICO_PROJECT_DIR/composer.json'), true);
         if (\$json !== null) {
-            if (isset(\$json['extra']['branch-alias']['dev-$TRAVIS_BRANCH'])) {
-                echo 'dev-$TRAVIS_BRANCH';
+            if (isset(\$json['extra']['branch-alias']['dev-$PROJECT_REPO_BRANCH'])) {
+                echo 'dev-$PROJECT_REPO_BRANCH';
             }
         }
     ")"
 
     if [ -z "$PICO_VERSION_PATTERN" ]; then
         PICO_VERSION_PATTERN="$(php -r "
-            require_once('$TRAVIS_BUILD_DIR/lib/Pico.php');
+            require_once('$PICO_PROJECT_DIR/lib/Pico.php');
             echo preg_replace('/\.[0-9]+-dev$/', '.x-dev', Pico::VERSION);
         ")"
     fi
diff --git a/.gitattributes b/.gitattributes
index 0d8d494..447d4c6 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,4 +1,4 @@
-/_build             export-ignore
+/.build             export-ignore
 /assets/.gitignore  export-ignore
 /config/.gitignore  export-ignore
 /content/.gitignore export-ignore
diff --git a/.travis.yml b/.travis.yml
index 9b2f71d..e2c041e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -49,7 +49,10 @@ jobs:
   fast-finish: true
 
 before_install:
-  - export PATH="$TRAVIS_BUILD_DIR/_build:$PATH"
+  - export PATH="$TRAVIS_BUILD_DIR/.build:$PATH"
+  - export PICO_TOOLS_DIR="$HOME/__picocms_tools"
+  - git clone --branch="$TOOLS_REPO_BRANCH" "https://github.com/$TOOLS_REPO_SLUG.git" "$PICO_TOOLS_DIR"
+  - . "$PICO_TOOLS_DIR/init/travis.sh.inc"
 
 install:
   - install.sh
diff --git a/_build/.gitignore b/_build/.gitignore
deleted file mode 100644
index 41c43ff..0000000
--- a/_build/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-# Ignore temporary directories created while building/deploying Pico
-/phpdoc
-/phpdoc.cache
-/deploy-*.git
diff --git a/_build/deploy-branch.sh b/_build/deploy-branch.sh
deleted file mode 100755
index 8301932..0000000
--- a/_build/deploy-branch.sh
+++ /dev/null
@@ -1,50 +0,0 @@
-#!/usr/bin/env bash
-set -e
-
-export PATH="$(dirname "$0")/tools:$PATH"
-
-DEPLOYMENT_ID="${TRAVIS_BRANCH//\//_}"
-DEPLOYMENT_DIR="$TRAVIS_BUILD_DIR/_build/deploy-$DEPLOYMENT_ID.git"
-
-[ -n "$DEPLOY_REPO_SLUG" ] || export DEPLOY_REPO_SLUG="$TRAVIS_REPO_SLUG"
-[ -n "$DEPLOY_REPO_BRANCH" ] || export DEPLOY_REPO_BRANCH="gh-pages"
-
-# get current Pico milestone
-VERSION="$(php -r 'require_once(__DIR__ . "/lib/Pico.php"); echo Pico::VERSION;')"
-MILESTONE="Pico$([[ "$VERSION" =~ ^([0-9]+\.[0-9]+)\. ]] && echo " ${BASH_REMATCH[1]}")"
-
-echo "Deploying $TRAVIS_BRANCH branch ($MILESTONE)..."
-echo
-
-# clone repo
-github-clone.sh "$DEPLOYMENT_DIR" "https://github.com/$DEPLOY_REPO_SLUG.git" "$DEPLOY_REPO_BRANCH"
-
-cd "$DEPLOYMENT_DIR"
-
-# setup repo
-github-setup.sh
-
-# generate phpDocs
-generate-phpdoc.sh \
-    "$TRAVIS_BUILD_DIR/.phpdoc.xml" \
-    "$DEPLOYMENT_DIR/phpDoc/$DEPLOYMENT_ID.cache" "$DEPLOYMENT_DIR/phpDoc/$DEPLOYMENT_ID" \
-    "$MILESTONE API Documentation ($TRAVIS_BRANCH branch)"
-
-if [ -z "$(git status --porcelain "$DEPLOYMENT_DIR/phpDoc/$DEPLOYMENT_ID.cache")" ]; then
-    # nothing to do
-    exit 0
-fi
-
-# update phpDoc list
-update-phpdoc-list.sh \
-    "$DEPLOYMENT_DIR/_data/phpDoc.yml" \
-    "$TRAVIS_BRANCH" "branch" "<code>$TRAVIS_BRANCH</code> branch" "$(date +%s)"
-
-# commit phpDocs
-github-commit.sh \
-    "Update phpDocumentor class docs for $TRAVIS_BRANCH branch @ $TRAVIS_COMMIT" \
-    "$DEPLOYMENT_DIR/phpDoc/$DEPLOYMENT_ID.cache" "$DEPLOYMENT_DIR/phpDoc/$DEPLOYMENT_ID" \
-    "$DEPLOYMENT_DIR/_data/phpDoc.yml"
-
-# deploy phpDocs
-github-deploy.sh "$TRAVIS_REPO_SLUG" "heads/$TRAVIS_BRANCH" "$TRAVIS_COMMIT"