diff --git a/.codespellrc b/.codespellrc
index 1e85aefda8..45c5dc4237 100644
--- a/.codespellrc
+++ b/.codespellrc
@@ -1,4 +1,4 @@
 [codespell]
 # skipping auto generated folders
-skip = ./.tox,./.mypy_cache,./docs/_build,./target,*/LICENSE,./venv
+skip = ./.tox,./.mypy_cache,./docs/_build,./target,*/LICENSE,./venv,*-requirements*.txt
 ignore-words-list = ot
diff --git a/.github/workflows/lint_1.yml b/.github/workflows/lint_1.yml
new file mode 100644
index 0000000000..4465107bcf
--- /dev/null
+++ b/.github/workflows/lint_1.yml
@@ -0,0 +1,41 @@
+name: lint 1
+
+on:
+  push:
+    branches-ignore:
+    - 'release/*'
+  pull_request:
+env:
+  CORE_REPO_SHA: 955c92e91b5cd4bcfb43c39efcef086b040471d2
+
+jobs:
+  test-1:
+    env:
+      RUN_MATRIX_COMBINATION: ${{ matrix.python-version }}-${{ matrix.package }}-${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false  # ensures the entire test matrix is run, even if one permutation fails
+      matrix:
+        package:
+          - "resource/opentelemetry-resource-detector-container"
+          - "sdk-extension/opentelemetry-sdk-extension-aws"
+        os: [ubuntu-20.04]
+    steps:
+      - name: Checkout Contrib Repo @ SHA - ${{ github.sha }}
+        uses: actions/checkout@v4
+      - name: Set up Python ${{ env[matrix.python-version] }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+      - name: Install tox
+        run: pip install tox
+      - name: Cache tox environment
+        # Preserves .tox directory between runs for faster installs
+        uses: actions/cache@v4
+        with:
+          path: |
+            .tox
+            ~/.cache/pip
+          key: v7-build-tox-cache-${{ env.RUN_MATRIX_COMBINATION }}-${{ hashFiles('tox.ini', 'gen-requirements.txt', 'dev-requirements.txt') }}
+      - name: run tox
+        run: tox -c ${{ matrix.package }}/tox.ini -e lint
diff --git a/.github/workflows/spellcheck_1.yml b/.github/workflows/spellcheck_1.yml
new file mode 100644
index 0000000000..7767625752
--- /dev/null
+++ b/.github/workflows/spellcheck_1.yml
@@ -0,0 +1,41 @@
+name: spellcheck 1
+
+on:
+  push:
+    branches-ignore:
+    - 'release/*'
+  pull_request:
+env:
+  CORE_REPO_SHA: 955c92e91b5cd4bcfb43c39efcef086b040471d2
+
+jobs:
+  test-1:
+    env:
+      RUN_MATRIX_COMBINATION: ${{ matrix.python-version }}-${{ matrix.package }}-${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false  # ensures the entire test matrix is run, even if one permutation fails
+      matrix:
+        package:
+          - "resource/opentelemetry-resource-detector-container"
+          - "sdk-extension/opentelemetry-sdk-extension-aws"
+        os: [ubuntu-20.04]
+    steps:
+      - name: Checkout Contrib Repo @ SHA - ${{ github.sha }}
+        uses: actions/checkout@v4
+      - name: Set up Python ${{ env[matrix.python-version] }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+      - name: Install tox
+        run: pip install tox
+      - name: Cache tox environment
+        # Preserves .tox directory between runs for faster installs
+        uses: actions/cache@v4
+        with:
+          path: |
+            .tox
+            ~/.cache/pip
+          key: v7-build-tox-cache-${{ env.RUN_MATRIX_COMBINATION }}-${{ hashFiles('tox.ini', 'gen-requirements.txt', 'dev-requirements.txt') }}
+      - name: run tox
+        run: tox -c ${{ matrix.package }}/tox.ini -e spellcheck
diff --git a/.github/workflows/test_1.yml b/.github/workflows/test_1.yml
new file mode 100644
index 0000000000..e5c6f6edf9
--- /dev/null
+++ b/.github/workflows/test_1.yml
@@ -0,0 +1,52 @@
+name: test 1
+
+on:
+  push:
+    branches-ignore:
+    - 'release/*'
+  pull_request:
+env:
+  CORE_REPO_SHA: 955c92e91b5cd4bcfb43c39efcef086b040471d2
+
+jobs:
+  test-1:
+    env:
+      py38: 3.8
+      py39: 3.9
+      py310: "3.10"
+      py311: "3.11"
+      pypy3: pypy-3.8
+      RUN_MATRIX_COMBINATION: ${{ matrix.python-version }}-${{ matrix.package }}-${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false  # ensures the entire test matrix is run, even if one permutation fails
+      matrix:
+        python-version: [py38, py39, py310, py311, pypy3]
+        package:
+          - "resource/opentelemetry-resource-detector-container"
+          - "sdk-extension/opentelemetry-sdk-extension-aws"
+        os: [ubuntu-20.04]
+        exclude:
+          - python-version: py311
+            package: "prometheus-remote-write"
+          - python-version: pypy3
+            package: "prometheus-remote-write"
+    steps:
+      - name: Checkout Contrib Repo @ SHA - ${{ github.sha }}
+        uses: actions/checkout@v4
+      - name: Set up Python ${{ env[matrix.python-version] }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ env[matrix.python-version] }}
+      - name: Install tox
+        run: pip install tox
+      - name: Cache tox environment
+        # Preserves .tox directory between runs for faster installs
+        uses: actions/cache@v4
+        with:
+          path: |
+            .tox
+            ~/.cache/pip
+          key: v7-build-tox-cache-${{ env.RUN_MATRIX_COMBINATION }}-${{ hashFiles('tox.ini', 'gen-requirements.txt', 'dev-requirements.txt') }}
+      - name: run tox
+        run: tox -c ${{ matrix.package }}/tox.ini -e test-${{ matrix.python-version }} -- -ra
diff --git a/.gitignore b/.gitignore
index c359e13727..01e4e3750a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,13 +27,14 @@ venv*/
 # Installer logs
 pip-log.txt
 
-# Unit test / coverage reports
+# Unit test / coverage, benchmark reports
 coverage.xml
 .coverage
 .nox
 .tox
 .cache
 htmlcov
+benchmark.json
 
 # Translations
 *.mo
diff --git a/.isort.cfg b/.isort.cfg
index afe42d3d41..472b99add6 100644
--- a/.isort.cfg
+++ b/.isort.cfg
@@ -14,6 +14,6 @@ profile=black
 ; docs: https://github.com/timothycrosley/isort#multi-line-output-modes
 multi_line_output=3
 skip=target
-skip_glob=**/gen/*,.venv*/*,venv*/*,.tox/*
+skip_glob=**/gen/*,.venv*/*,venv*/*,.tox/*,**/.tox/*
 known_first_party=opentelemetry
 known_third_party=psutil,pytest,redis,redis_opentracing
diff --git a/coverage-requirements.txt b/coverage-requirements.txt
new file mode 100644
index 0000000000..45ecafb133
--- /dev/null
+++ b/coverage-requirements.txt
@@ -0,0 +1,2 @@
+coverage==7.5.1
+pytest-cov==5.0.0
diff --git a/lint-requirements.txt b/lint-requirements.txt
new file mode 100644
index 0000000000..99790daa3f
--- /dev/null
+++ b/lint-requirements.txt
@@ -0,0 +1,20 @@
+astroid==3.1.0
+black==24.4.2
+click==8.1.7
+Deprecated==1.2.14
+dill==0.3.8
+flake8==7.0.0
+importlib-metadata==7.0.0
+isort==5.13.2
+mccabe==0.7.0
+mypy-extensions==1.0.0
+packaging==24.0
+pathspec==0.12.1
+platformdirs==4.2.1
+pycodestyle==2.11.1
+pyflakes==3.2.0
+pylint==3.1.0
+tomlkit==0.12.4
+typing_extensions==4.11.0
+wrapt==1.16.0
+zipp==3.18.1
diff --git a/resource/opentelemetry-resource-detector-container/test-requirements.txt b/resource/opentelemetry-resource-detector-container/test-requirements.txt
index 07dd186f30..1dfe2f07c6 100644
--- a/resource/opentelemetry-resource-detector-container/test-requirements.txt
+++ b/resource/opentelemetry-resource-detector-container/test-requirements.txt
@@ -10,4 +10,3 @@ tomli==2.0.1
 typing_extensions==4.10.0
 wrapt==1.16.0
 zipp==3.17.0
--e resource/opentelemetry-resource-detector-container
diff --git a/resource/opentelemetry-resource-detector-container/tox.ini b/resource/opentelemetry-resource-detector-container/tox.ini
new file mode 100644
index 0000000000..8c2ad54efd
--- /dev/null
+++ b/resource/opentelemetry-resource-detector-container/tox.ini
@@ -0,0 +1,48 @@
+[tox]
+isolated_build = True
+skipsdist = True
+skip_missing_interpreters = True
+envlist =
+    test-py3{8,9,10,11}
+    test-pypy3
+    lint
+    coverage
+    spellcheck
+
+[testenv]
+setenv =
+  ; override CORE_REPO_SHA via env variable when testing other branches/commits than main
+  ; i.e: CORE_REPO_SHA=dde62cebffe519c35875af6d06fae053b3be65ec tox -e <env to test>
+  CORE_REPO_SHA={env:CORE_REPO_SHA:main}
+  CORE_REPO=git+https://github.com/open-telemetry/opentelemetry-python.git@{env:CORE_REPO_SHA}
+
+commands_pre =
+  test,lint,coverage: pip install opentelemetry-api@{env:CORE_REPO}\#egg=opentelemetry-api&subdirectory=opentelemetry-api
+  test,lint,coverage: pip install opentelemetry-semantic-conventions@{env:CORE_REPO}\#egg=opentelemetry-semantic-conventions&subdirectory=opentelemetry-semantic-conventions
+  test,lint,coverage: pip install opentelemetry-sdk@{env:CORE_REPO}\#egg=opentelemetry-sdk&subdirectory=opentelemetry-sdk
+  test,lint,coverage: pip install opentelemetry-test-utils@{env:CORE_REPO}\#egg=opentelemetry-test-utils&subdirectory=tests/opentelemetry-test-utils
+  test,lint,coverage: pip install -e .
+
+  test,coverage: pip install -r {toxinidir}/test-requirements.txt
+
+  lint: pip install -r {toxinidir}/../../lint-requirements.txt
+
+  coverage: pip install -r {toxinidir}/../../coverage-requirements.txt
+
+  spellcheck: pip install -r {toxinidir}/../../spellcheck-requirements.txt
+
+commands =
+  test: pytest {toxinidir}/tests {posargs}
+
+  lint: black --diff --check --config {toxinidir}/../../pyproject.toml {toxinidir}
+  lint: isort --diff --check-only --settings-path {toxinidir}/../../.isort.cfg {toxinidir}
+  lint: flake8 --config {toxinidir}/../../.flake8 {toxinidir}
+  lint: pylint --rcfile={toxinidir}/../../.pylintrc {toxinidir}/src/opentelemetry
+  lint: pylint --rcfile={toxinidir}/../../.pylintrc {toxinidir}/tests
+
+  coverage: coverage erase
+  coverage: pytest --cov={toxinidir}/src --cov-append --cov-branch --cov-report='' {toxinidir}/tests
+  coverage: coverage report --show-missing
+  coverage: coverage xml
+
+  spellcheck: codespell --config {toxinidir}/../../.codespellrc {toxinidir}
diff --git a/sdk-extension/opentelemetry-sdk-extension-aws/benchmark-requirements.txt b/sdk-extension/opentelemetry-sdk-extension-aws/benchmark-requirements.txt
new file mode 100644
index 0000000000..44564857ef
--- /dev/null
+++ b/sdk-extension/opentelemetry-sdk-extension-aws/benchmark-requirements.txt
@@ -0,0 +1 @@
+pytest-benchmark==4.0.0
diff --git a/sdk-extension/opentelemetry-sdk-extension-aws/tests/performance/benchmarks/trace/test_benchmark_aws_xray_ids_generator.py b/sdk-extension/opentelemetry-sdk-extension-aws/benchmarks/trace/test_benchmark_aws_xray_ids_generator.py
similarity index 100%
rename from sdk-extension/opentelemetry-sdk-extension-aws/tests/performance/benchmarks/trace/test_benchmark_aws_xray_ids_generator.py
rename to sdk-extension/opentelemetry-sdk-extension-aws/benchmarks/trace/test_benchmark_aws_xray_ids_generator.py
diff --git a/sdk-extension/opentelemetry-sdk-extension-aws/test-requirements.txt b/sdk-extension/opentelemetry-sdk-extension-aws/test-requirements.txt
index 4ed081e748..1dfe2f07c6 100644
--- a/sdk-extension/opentelemetry-sdk-extension-aws/test-requirements.txt
+++ b/sdk-extension/opentelemetry-sdk-extension-aws/test-requirements.txt
@@ -6,9 +6,7 @@ packaging==24.0
 pluggy==1.5.0
 py-cpuinfo==9.0.0
 pytest==7.4.4
-pytest-benchmark==4.0.0
 tomli==2.0.1
 typing_extensions==4.10.0
 wrapt==1.16.0
 zipp==3.17.0
--e sdk-extension/opentelemetry-sdk-extension-aws
diff --git a/sdk-extension/opentelemetry-sdk-extension-aws/tox.ini b/sdk-extension/opentelemetry-sdk-extension-aws/tox.ini
new file mode 100644
index 0000000000..def30c6916
--- /dev/null
+++ b/sdk-extension/opentelemetry-sdk-extension-aws/tox.ini
@@ -0,0 +1,52 @@
+[tox]
+isolated_build = True
+skipsdist = True
+skip_missing_interpreters = True
+envlist =
+    test-py3{8,9,10,11}
+    test-pypy3
+    lint
+    coverage
+    spellcheck
+
+[testenv]
+setenv =
+  ; override CORE_REPO_SHA via env variable when testing other branches/commits than main
+  ; i.e: CORE_REPO_SHA=dde62cebffe519c35875af6d06fae053b3be65ec tox -e <env to test>
+  CORE_REPO_SHA={env:CORE_REPO_SHA:main}
+  CORE_REPO=git+https://github.com/open-telemetry/opentelemetry-python.git@{env:CORE_REPO_SHA}
+
+commands_pre =
+  test,lint,coverage,benchmark: pip install opentelemetry-api@{env:CORE_REPO}\#egg=opentelemetry-api&subdirectory=opentelemetry-api
+  test,lint,coverage,benchmark: pip install opentelemetry-semantic-conventions@{env:CORE_REPO}\#egg=opentelemetry-semantic-conventions&subdirectory=opentelemetry-semantic-conventions
+  test,lint,coverage,benchmark: pip install opentelemetry-sdk@{env:CORE_REPO}\#egg=opentelemetry-sdk&subdirectory=opentelemetry-sdk
+  test,lint,coverage,benchmark: pip install opentelemetry-test-utils@{env:CORE_REPO}\#egg=opentelemetry-test-utils&subdirectory=tests/opentelemetry-test-utils
+  test,lint,coverage,benchmark: pip install -e .
+
+  test,coverage,benchmark: pip install -r {toxinidir}/test-requirements.txt
+
+  lint: pip install -r {toxinidir}/../../lint-requirements.txt
+
+  coverage: pip install -r {toxinidir}/../../coverage-requirements.txt
+
+  spellcheck: pip install -r {toxinidir}/../../spellcheck-requirements.txt
+
+  benchmark: pip install -r {toxinidir}/benchmark-requirements.txt
+
+commands =
+  test: pytest {toxinidir}/tests {posargs}
+
+  lint: black --diff --check --config {toxinidir}/../../pyproject.toml {toxinidir}
+  lint: isort --diff --check-only --settings-path {toxinidir}/../../.isort.cfg {toxinidir}
+  lint: flake8 --config {toxinidir}/../../.flake8 {toxinidir}
+  lint: pylint --rcfile={toxinidir}/../../.pylintrc {toxinidir}/src/opentelemetry
+  lint: pylint --rcfile={toxinidir}/../../.pylintrc {toxinidir}/tests
+
+  coverage: coverage erase
+  coverage: pytest --cov={toxinidir}/src --cov-append --cov-branch --cov-report='' {toxinidir}/tests
+  coverage: coverage report --show-missing
+  coverage: coverage xml
+
+  spellcheck: codespell --config {toxinidir}/../../.codespellrc {toxinidir}
+
+  benchmark: pytest {toxinidir}/benchmarks --benchmark-json=benchmark.json
diff --git a/spellcheck-requirements.txt b/spellcheck-requirements.txt
new file mode 100644
index 0000000000..e0a43e1384
--- /dev/null
+++ b/spellcheck-requirements.txt
@@ -0,0 +1 @@
+codespell==2.2.6
diff --git a/tox.ini b/tox.ini
index 0cd5094cb8..41ba681010 100644
--- a/tox.ini
+++ b/tox.ini
@@ -377,7 +377,6 @@ deps =
   coverage: pytest
   coverage: pytest-cov
 
-  ; FIXME: add coverage testing
   ; FIXME: add mypy testing
 allowlist_externals = sh
 
@@ -778,10 +777,6 @@ commands_pre =
   util-http: pip install -r {toxinidir}/util/opentelemetry-util-http/test-requirements.txt
   util-http: pip install {toxinidir}/util/opentelemetry-util-http
 
-; In order to get a health coverage report,
-; we have to install packages in editable mode.
-  coverage: python {toxinidir}/scripts/eachdist.py install --editable
-
 commands =
   test-distro: pytest {toxinidir}/opentelemetry-distro/tests {posargs}
   lint-distro: black --diff --check --config {toxinidir}/pyproject.toml {toxinidir}/opentelemetry-distro
@@ -1137,8 +1132,6 @@ commands =
   lint-exporter-prometheus-remote-write: flake8 --config {toxinidir}/.flake8 {toxinidir}/exporter/opentelemetry-exporter-prometheus-remote-write
   lint-exporter-prometheus-remote-write: sh -c "cd exporter && pylint --rcfile ../.pylintrc opentelemetry-exporter-prometheus-remote-write"
 
-  coverage: {toxinidir}/scripts/coverage.sh
-
 [testenv:docs]
 deps =
   -c {toxinidir}/dev-requirements.txt