diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..2ab56d5
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,20 @@
+version: 2
+updates:
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    groups:
+      dev-dependencies:
+        patterns:
+          - "pytest*"
+          - "flake8*"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    groups:
+      all:
+        patterns:
+          - "*"
diff --git a/.github/workflows/draft-release.yml b/.github/workflows/draft-release.yml
new file mode 100644
index 0000000..136a0d1
--- /dev/null
+++ b/.github/workflows/draft-release.yml
@@ -0,0 +1,34 @@
+name: Draft Release
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Draft Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install poetry
+        run: pipx install poetry
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.8
+          cache: "poetry"
+          cache-dependency-path: poetry.lock
+
+      - name: Build project
+        run: |
+          poetry build
+          echo "version=$(poetry version --short)" >> "$GITHUB_ENV"
+
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: dist/*
+          tag_name: ${{ env.version }}
+          draft: true
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..c169c5a
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,60 @@
+name: Tests
+
+on:
+  push:
+    branches: [ "main" ]
+    paths:
+      - 'pyproject.toml'
+      - 'poetry.lock'
+      - '**.py'
+      - '.github/workflows/tests.yml'
+    
+  pull_request:
+    branches: [ "main" ]
+    paths:
+      - 'pyproject.toml'
+      - 'poetry.lock'
+      - '**.py'
+      - '.github/workflows/tests.yml'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Install poetry
+      run: pipx install poetry
+    
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+        cache: "poetry"
+        cache-dependency-path: poetry.lock
+
+    - name: Install dependencies
+      run: poetry install
+
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        poetry run flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        poetry run flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+
+    - name: Test with pytest
+      run: poetry run pytest --cov=./
+
+    - name: Upload coverage data to coveralls.io
+      run: |
+        pip install coveralls
+        coveralls --service=github
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..68bc17f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,160 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 0000000..0b4bfda
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Insolor
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..a16073b
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+# Alternative Encodings
diff --git a/alternative_encodings/__init__.py b/alternative_encodings/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/alternative_encodings/common.py b/alternative_encodings/common.py
new file mode 100644
index 0000000..547b7c1
--- /dev/null
+++ b/alternative_encodings/common.py
@@ -0,0 +1,42 @@
+import codecs
+
+
+def get_codec(encoding_table, decoding_table):
+    class Codec(codecs.Codec):
+        def encode(self, input, errors="strict"):
+            return codecs.charmap_encode(input, errors, encoding_table)
+
+        def decode(self, input, errors="strict"):
+            return codecs.charmap_decode(input, errors, decoding_table)
+    
+    return Codec
+
+
+def get_incremental_encoder(encoding_table):
+    class IncrementalEncoder(codecs.IncrementalEncoder):
+        def encode(self, input, final=False):
+            return codecs.charmap_encode(input, self.errors, encoding_table)[0]
+    
+    return IncrementalEncoder
+
+
+def get_incremental_decoder(decoding_table):
+    class IncrementalDecoder(codecs.IncrementalDecoder):
+        def decode(self, input, final=False):
+            return codecs.charmap_decode(input, self.errors, decoding_table)[0]
+    
+    return IncrementalDecoder
+
+
+def get_stream_writer(codec):
+    class StreamWriter(codec, codecs.StreamWriter):
+        pass
+    
+    return StreamWriter
+
+
+def get_stream_reader(codec):
+    class StreamReader(codec, codecs.StreamReader):
+        pass
+
+    return StreamReader
diff --git a/alternative_encodings/viscii.py b/alternative_encodings/viscii.py
new file mode 100644
index 0000000..1e2434e
--- /dev/null
+++ b/alternative_encodings/viscii.py
@@ -0,0 +1,74 @@
+import codecs
+from functools import lru_cache
+
+from .common import get_codec, get_incremental_encoder, get_incremental_decoder, get_stream_writer, get_stream_reader
+
+# Decoding Table
+
+decoding_table = (
+    "\x00\x01Ẳ\x03\x04ẴẪ\x07\x08\t\n\x0b\x0c\r\x0e\x0f"
+    "\x10\x11\x12\x13Ỷ\x15\x16\x17\x18Ỹ\x1a\x1b\x1c\x1dỴ\x1f"
+    " !\"#$%&'()*+,-./"
+    "0123456789:;<=>?"
+    "@ABCDEFGHIJKLMNO"
+    "PQRSTUVWXYZ[\\]^_"
+    "`abcdefghijklmno"
+    "pqrstuvwxyz{|}~\x7f"
+    "ẠẮẰẶẤẦẨẬẼẸẾỀỂỄỆỐ"
+    "ỒỔỖỘỢỚỜỞỊỎỌỈỦŨỤỲ"
+    "Õắằặấầẩậẽẹếềểễệố"
+    "ồổỗỠƠộờởịỰỨỪỬơớƯ"
+    "ÀÁÂÃẢĂẳẵÈÉÊẺÌÍĨỳ"
+    "ĐứÒÓÔạỷừửÙÚỹỵÝỡư"
+    "àáâãảăữẫèéêẻìíĩỉ"
+    "đựòóôõỏọụùúũủýợỮ"
+)
+
+# Encoding table
+encoding_table = codecs.charmap_build(decoding_table)
+
+# Codec APIs
+Codec = get_codec(encoding_table=encoding_table, decoding_table=decoding_table)
+
+IncrementalEncoder = get_incremental_encoder(encoding_table=encoding_table)
+
+IncrementalDecoder = get_incremental_decoder(decoding_table=decoding_table)
+
+StreamWriter = get_stream_writer(Codec)
+
+StreamReader = get_stream_reader(Codec)
+
+# encodings module API
+
+
+@lru_cache()
+def getregentry():
+    return codecs.CodecInfo(
+        name="viscii",
+        encode=Codec().encode,
+        decode=Codec().decode,
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamreader=StreamReader,
+        streamwriter=StreamWriter,
+    )
+
+
+def search_function(encoding):
+    entry = getregentry()
+
+    if entry.name == encoding:
+        return entry
+
+    return None
+
+
+def register():
+    codecs.register(search_function)
+
+
+def unregister():
+    try:
+        codecs.unregister(search_function)
+    except AttributeError:
+        pass
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..855da62
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,235 @@
+# This file is automatically @generated by Poetry 1.7.0 and should not be changed by hand.
+
+[[package]]
+name = "colorama"
+version = "0.4.6"
+description = "Cross-platform colored terminal text."
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
+files = [
+    {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
+    {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
+]
+
+[[package]]
+name = "coverage"
+version = "7.3.2"
+description = "Code coverage measurement for Python"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "coverage-7.3.2-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:d872145f3a3231a5f20fd48500274d7df222e291d90baa2026cc5152b7ce86bf"},
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+[package.extras]
+toml = ["tomli"]
+
+[[package]]
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+description = "Backport of PEP 654 (exception groups)"
+optional = false
+python-versions = ">=3.7"
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+[[package]]
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+description = "the modular source code checker: pep8 pyflakes and co"
+optional = false
+python-versions = ">=3.8.1"
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+description = "Python style guide checker"
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+
+[package.extras]
+testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.7.2)", "requests", "setuptools", "xmlschema"]
+
+[[package]]
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+description = "Pytest plugin for measuring coverage."
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+python-versions = ">=3.7"
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+
+[package.dependencies]
+coverage = {version = ">=5.2.1", extras = ["toml"]}
+pytest = ">=4.6"
+
+[package.extras]
+testing = ["fields", "hunter", "process-tests", "pytest-xdist", "six", "virtualenv"]
+
+[[package]]
+name = "tomli"
+version = "2.0.1"
+description = "A lil' TOML parser"
+optional = false
+python-versions = ">=3.7"
+files = [
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+    {file = "tomli-2.0.1.tar.gz", hash = "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"},
+]
+
+[metadata]
+lock-version = "2.0"
+python-versions = "^3.8"
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diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..5a1e69d
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,19 @@
+[tool.poetry]
+name = "alternative-encodings"
+version = "0.1.0"
+description = ""
+authors = ["insolor <insolor@gmail.com>"]
+license = "MIT"
+readme = "README.md"
+
+[tool.poetry.dependencies]
+python = "^3.8"
+
+[tool.poetry.group.dev.dependencies]
+pytest = "^7.4.3"
+pytest-cov = "^4.1.0"
+flake8 = { version = "^6.1.0", python = "^3.8.1"}
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
diff --git a/tests/test_viscii.py b/tests/test_viscii.py
new file mode 100644
index 0000000..5a4ae37
--- /dev/null
+++ b/tests/test_viscii.py
@@ -0,0 +1,35 @@
+import codecs
+
+import pytest
+import alternative_encodings.viscii as viscii
+from utils import codec
+
+
+@pytest.fixture(scope="module", autouse=True)
+def register_codec():
+    with codec(viscii):
+        yield
+
+
+source_data = (
+    "ẠẮẰẶẤẦẨẬẼẸẾỀỂỄỆỐ"
+    "ỒỔỖỘỢỚỜỞỊỎỌỈỦŨỤỲ"
+    "Õắằặấầẩậẽẹếềểễệố"
+    "ồổỗỠƠộờởịỰỨỪỬơớƯ"
+    "ÀÁÂÃẢĂẳẵÈÉÊẺÌÍĨỳ"
+    "ĐứÒÓÔạỷừửÙÚỹỵÝỡư"
+    "àáâãảăữẫèéêẻìíĩỉ"
+    "đựòóôõỏọụùúũủýợỮ"
+    "ẲẴẪỶỸỴ"
+)
+
+
+encoded = bytes(range(0x80, 0x100)) + b"\x02\x05\x06\x14\x19\x1e"
+
+
+def test_viscii_encode():
+    assert codecs.encode(source_data, "viscii") == encoded
+
+
+def test_viscii_decode():
+    assert codecs.decode(encoded, "viscii") == source_data
diff --git a/tests/utils.py b/tests/utils.py
new file mode 100644
index 0000000..9a18e12
--- /dev/null
+++ b/tests/utils.py
@@ -0,0 +1,16 @@
+import contextlib
+from typing import Protocol
+
+
+class CodecModule(Protocol):
+    def register(): ...
+    def unregister(): ...
+
+
+@contextlib.contextmanager
+def codec(codec: CodecModule):
+    try:
+        codec.register()
+        yield
+    finally:
+        codec.unregister()