head to head · open source
changedetection.io vs single-file-cli
changedetection.io has 34,312 GitHub stars, 2,064 forks, 385 open issues and last shipped today. single-file-cli has 1,615 stars, 146 forks, 49 open issues and last shipped yesterday. changedetection.io leads on adoption by 2,025% (34,312 vs 1,615 stars). changedetection.io is written in Python under Apache-2.0; single-file-cli is written in JavaScript under AGPL-3.0. changedetection.io has attracted 6% as many forks as stars, single-file-cli 9%. changedetection.io was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| changedetection.io | single-file-cli | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 1.6K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | JavaScript |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 2.1K | ⑂ 146 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick changedetection.io if
- You weight community size — 34K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick single-file-cli if
- You want the single-file-cli feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and single-file-cli fits your workflow better
About changedetection.io
changedetection.io is an open source website change detection and web page monitoring tool written in Python and released under the Apache 2.0 license. It watches URLs, detects when their content changes, and sends alerts through channels such as Discord, Email, Slack, Telegram, and Webhook. The project lives in the Data & Analytics / Data Extraction & Web Scraping ecosystem, carries more than 34,000 stars and 2,000 forks on GitHub, and has been developed for roughly six years. It is designed to be self hosted, and the same codebase also backs a hosted subscription service offered by the maintainers.…
read the full changedetection.io overview →
About single-file-cli
SingleFile CLI (Command Line Interface) Introduction SingleFile can be launched from the command line by running it into a (headless) browser. It runs through Deno as a standalone script injected into the web page via the Chrome DevTools Protocol, or via WebDriver BiDi when using Firefox, instead of being embedded into a WebExtension. Installation SingleFile can be run without installing it, just download the executable file and save it in the directory of your choice here: Make sure Chrome or a Chromium based browser is installed in the default folder. Otherwise you might need to set the browser executable path …
read the full single-file-cli overview →
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Frequently asked questions
Is changedetection.io or single-file-cli more popular?
changedetection.io has 34,312 GitHub stars and single-file-cli has 1,615. changedetection.io has the larger community by that measure.
Are changedetection.io and single-file-cli free?
Both are open source. changedetection.io is licensed under Apache-2.0 and single-file-cli under AGPL-3.0. Neither carries a licence fee.
What is the difference between changedetection.io and single-file-cli?
changedetection.io is written in Python and single-file-cli in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, changedetection.io or single-file-cli?
Choose changedetection.io if you want the larger community (34,312 stars) or its Apache-2.0 licence terms. Choose single-file-cli if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.