A single Python file plus a one-page README — no framework, no account, no license server.
Sample data and a runnable demo, so you can see the output before you read the code.
Source included. Runs offline on Python 3.9+. Most tools use the standard library only.
How to run it
unzip all-tools-bundle.zip && cd all-tools-bundle
pip install -r requirements.txt # only if the README lists one
python all-tools-bundle.py demo/input.csv -o out.csv
One-time payment, no subscription, no seat count. If the file will not run on your machine, reply to the order and it gets fixed or refunded.