diff --git a/.github/workflows/blobby.yml b/.github/workflows/blobby.yml
new file mode 100644
index 00000000..fd4e69ef
--- /dev/null
+++ b/.github/workflows/blobby.yml
@@ -0,0 +1,33 @@
+name: blobby
+
+on:
+  pull_request:
+      paths:
+        - "blobby/**"
+        - "Cargo.*"
+  push:
+    branches: master
+
+defaults:
+  run:
+    working-directory: blobby
+
+env:
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: "-Dwarnings"
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.36.0 # MSRV
+          - stable
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: ${{ matrix.rust }}
+    - run: cargo test --release
diff --git a/.github/workflows/block-buffer.yml b/.github/workflows/block-buffer.yml
new file mode 100644
index 00000000..18352170
--- /dev/null
+++ b/.github/workflows/block-buffer.yml
@@ -0,0 +1,55 @@
+name: block-buffer
+
+on:
+  pull_request:
+      paths:
+        - "block-buffer/**"
+        - "Cargo.*"
+  push:
+    branches: master
+
+defaults:
+  run:
+    working-directory: block-buffer
+
+env:
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: "-Dwarnings"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+        target:
+          - thumbv7em-none-eabi
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.target }}
+          override: true
+      - run: cargo build --release --target ${{ matrix.target }}
+      - run: cargo build --features block-padding --release --target ${{ matrix.target }}
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: ${{ matrix.rust }}
+    - run: cargo test --release
+    - run: cargo test --features block-padding --release
+    - run: cargo test --all-features --release
diff --git a/.github/workflows/block-padding.yml b/.github/workflows/block-padding.yml
new file mode 100644
index 00000000..2e215344
--- /dev/null
+++ b/.github/workflows/block-padding.yml
@@ -0,0 +1,52 @@
+name: block-padding
+
+on:
+  pull_request:
+      paths:
+        - "block-padding/**"
+        - "Cargo.*"
+  push:
+    branches: master
+
+defaults:
+  run:
+    working-directory: block-padding
+
+env:
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: "-Dwarnings"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+        target:
+          - thumbv7em-none-eabi
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.target }}
+          override: true
+      - run: cargo build --release --target ${{ matrix.target }}
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: ${{ matrix.rust }}
+    - run: cargo test --release
diff --git a/.github/workflows/cpuid-bool.yml b/.github/workflows/cpuid-bool.yml
new file mode 100644
index 00000000..c9d11fb9
--- /dev/null
+++ b/.github/workflows/cpuid-bool.yml
@@ -0,0 +1,33 @@
+name: cpuid-bool
+
+on:
+  pull_request:
+      paths:
+        - "cpuid-bool/**"
+        - "Cargo.*"
+  push:
+    branches: master
+
+defaults:
+  run:
+    working-directory: cpuid-bool
+
+env:
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: "-Dwarnings"
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.32.0 # MSRV
+          - stable
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: ${{ matrix.rust }}
+    - run: cargo test --release
diff --git a/.github/workflows/dbl.yml b/.github/workflows/dbl.yml
new file mode 100644
index 00000000..5ee7eebe
--- /dev/null
+++ b/.github/workflows/dbl.yml
@@ -0,0 +1,52 @@
+name: dbl
+
+on:
+  pull_request:
+      paths:
+        - "dbl/**"
+        - "Cargo.*"
+  push:
+    branches: master
+
+defaults:
+  run:
+    working-directory: dbl
+
+env:
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: "-Dwarnings"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+        target:
+          - thumbv7em-none-eabi
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.target }}
+          override: true
+      - run: cargo build --release --target ${{ matrix.target }}
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: ${{ matrix.rust }}
+    - run: cargo test --release
diff --git a/.github/workflows/hex-literal.yml b/.github/workflows/hex-literal.yml
new file mode 100644
index 00000000..5d61be0a
--- /dev/null
+++ b/.github/workflows/hex-literal.yml
@@ -0,0 +1,52 @@
+name: hex-literal
+
+on:
+  pull_request:
+      paths:
+        - "hex-literal/**"
+        - "Cargo.*"
+  push:
+    branches: master
+
+defaults:
+  run:
+    working-directory: hex-literal
+
+env:
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: "-Dwarnings"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.31.0 # MSRV
+          - stable
+        target:
+          - thumbv7em-none-eabi
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.target }}
+          override: true
+      - run: cargo build --release --target ${{ matrix.target }}
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.31.0 # MSRV
+          - stable
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: ${{ matrix.rust }}
+    - run: cargo test --release
diff --git a/.github/workflows/opaque-debug.yml b/.github/workflows/opaque-debug.yml
new file mode 100644
index 00000000..a7cf16d4
--- /dev/null
+++ b/.github/workflows/opaque-debug.yml
@@ -0,0 +1,52 @@
+name: opaque-debug
+
+on:
+  pull_request:
+      paths:
+        - "opaque-debug/**"
+        - "Cargo.*"
+  push:
+    branches: master
+
+defaults:
+  run:
+    working-directory: opaque-debug
+
+env:
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: "-Dwarnings"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.31.0 # MSRV
+          - stable
+        target:
+          - thumbv7em-none-eabi
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.target }}
+          override: true
+      - run: cargo build --release --target ${{ matrix.target }}
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.31.0 # MSRV
+          - stable
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: ${{ matrix.rust }}
+    - run: cargo test --release
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index d6b95fda..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,10 +0,0 @@
-language: rust
-rust:
-  - stable
-  - beta
-  - nightly
-matrix:
-  allow_failures:
-    - rust: nightly
-script: cargo test --verbose --all
-
diff --git a/.workspace.rs b/.workspace.rs
deleted file mode 100644
index e69de29b..00000000