Source: https://seerepo.com/compare/dgtlmoon/changedetection.io/vs/malwaredllc/byob
Markdown source: https://seerepo.com/compare/dgtlmoon/changedetection.io/vs/malwaredllc/byob.md
Description: changedetection.io and byob share 5 technologies: Flask, werkzeug, flask-login, wtforms, and flask-wtf. Both are written in Python.

# changedetection.io vs byob

changedetection.io and byob share 5 technologies: Flask, werkzeug, flask-login, wtforms, and flask-wtf. Both are written in Python.

- [dgtlmoon/changedetection.io](https://seerepo.com/r/dgtlmoon/changedetection.io): Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring— MCP included! all for free or enjoy our SaaS plan!
- [malwaredllc/byob](https://seerepo.com/r/malwaredllc/byob): An open-source post-exploitation framework for students, researchers and developers.

## What they share and what sets them apart

- In common: Flask, werkzeug, flask-login, wtforms, flask-wtf
- Only in changedetection.io: flask-cors, flask-restful, cryptography, authlib, litellm, rank-bm25, linkify-it-py, jinja2, puremagic, feedgen, beautifulsoup4, lxml, openpyxl, extruct, feedparser, inscriptis, segno, panzi-json-logic, referencing, Pydantic, jsonschema, mcp-types, openapi-core, validators, loguru, psutil
- Only in byob: SQLAlchemy, flask-sqlalchemy, flask-session, opencv-python, flask-mail, prismjs

## Side by side

| | changedetection.io | byob |
|---|---|---|
| Size | 109,075 lines written, 268 code files | 357,232 lines written, 516 code files |
| Who writes it | 3.3% of its commits signed by AI. With Claude Code and GitHub Copilot | 0% of its commits signed by AI |
| Activity | Last push November 14, 2026, 2,697 commits, 35,806 stars | Last push October 18, 2026, 625 commits, 9,520 stars |
| Tests | 221 test files. 34.7% of its code files have a test that imports them | 28 test files. 2.1% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, changedetection.io or byob?

byob, with 357,232 lines written; changedetection.io has 109,075.

The proof: [malwaredllc/byob's code at commit b494690](https://github.com/malwaredllc/byob/tree/b4946908b8a3691f75a7e15ffe6883ef509afc91)

### Which has more GitHub stars, changedetection.io or byob?

changedetection.io, with 35,806 stars; byob has 9,520.

The proof: [dgtlmoon/changedetection.io on GitHub](https://github.com/dgtlmoon/changedetection.io)

### Which has more tests, changedetection.io or byob?

changedetection.io, with 221 test files; byob has 28.

The proof: [dgtlmoon/changedetection.io's code at commit 900a120](https://github.com/dgtlmoon/changedetection.io/tree/900a12032a8e15b2cfcbb8a7dc0f7a1d60f39bf3)

### Which was updated more recently, changedetection.io or byob?

changedetection.io: its last push was on November 14, 2026, and byob's on October 18, 2026.

The proof: [dgtlmoon/changedetection.io's commits on GitHub](https://github.com/dgtlmoon/changedetection.io/commits)

### Which has more commits signed by AI, changedetection.io or byob?

changedetection.io: an AI signed 3.3% of its commits, with Claude Code and GitHub Copilot.

The proof: [the commits each tool signed in dgtlmoon/changedetection.io](https://seerepo.com/r/dgtlmoon/changedetection.io/ai)

## Sources

- dgtlmoon/changedetection.io: Read on November 14, 2026, at commit 900a120 (https://github.com/dgtlmoon/changedetection.io/tree/900a12032a8e15b2cfcbb8a7dc0f7a1d60f39bf3)
- malwaredllc/byob: Read on November 15, 2026, at commit b494690 (https://github.com/malwaredllc/byob/tree/b4946908b8a3691f75a7e15ffe6883ef509afc91)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.