head to head · open source
changedetection.io vs DotnetSpider
changedetection.io has 35,461 GitHub stars, 2,194 forks, 385 open issues and last shipped yesterday. DotnetSpider has 4,142 stars, 1,047 forks, 6 open issues and last shipped 7 months ago. changedetection.io leads on adoption by 756% (35,461 vs 4,142 stars). changedetection.io is written in Python under Apache-2.0; DotnetSpider is written in C# under MIT. changedetection.io has attracted 6% as many forks as stars, DotnetSpider 25%. 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 | DotnetSpider | |
|---|---|---|
| GitHub stars | ★ 35K | ★ 4.1K |
| License | Apache-2.0 | MIT |
| Written in | Python | C# |
| Last push | 2026-11-02 | 2026-04-03 |
| Forks | ⑂ 2.2K | ⑂ 1.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick changedetection.io if
- You weight community size — 35K 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 DotnetSpider if
- You want the DotnetSpider feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and DotnetSpider fits your workflow better
About changedetection.io
Detect Website Changes Automatically — Monitor Web Page Changes in Real Time Monitor websites for updates — get notified via Discord, Email, Slack, Telegram, Webhook and many more. Detect web page content changes and get instant alerts. Ideal for monitoring price changes, content edits, conditional changes and more. [![Release Version][release shield]][release link] [![Docker Pulls][docker pulls]][docker link] [![License][license shield]](LICENSE.md) Get started with website page change monitoring straight away. Don't have time? Try our $8.99/month subscription, use our proxies and support! , half the price of…
read the full changedetection.io overview →
About DotnetSpider
DotnetSpider 免责申明：本框架是为了帮助开发人员简化开发流程、提高开发效率，请勿使用此框架做任何违法国家法律的事情，使用者所做任何事情也与本框架的作者无关。 DotnetSpider, a .NET Standard web crawling library. It is a lightweight, efficient, and fast high level web crawling & scraping framework. If you want to get the latest beta packages, you should add the myget feed: DESIGN DEVELOP ENVIROMENT 1. Visual Studio 2017 (15.3 or later) or Jetbrains Rider 2. .NET Core 2.2 or later 3. Docker 4. MySql docker run name mysql d p 3306:3306 restart always e MYSQL ROOT PASSWORD=1qazZAQ! mysql:5.7 5. Redis (option) docker run name redis d p 6379:6379 restart always redis 6. SqlServer docker run…
read the full DotnetSpider overview →
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Frequently asked questions
Is changedetection.io or DotnetSpider more popular?
changedetection.io has 35,461 GitHub stars and DotnetSpider has 4,142. changedetection.io has the larger community by that measure.
Are changedetection.io and DotnetSpider free?
Both are open source. changedetection.io is licensed under Apache-2.0 and DotnetSpider under MIT. Neither carries a licence fee.
What is the difference between changedetection.io and DotnetSpider?
changedetection.io is written in Python and DotnetSpider in C#. 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 DotnetSpider?
Choose changedetection.io if you want the larger community (35,461 stars) or its Apache-2.0 licence terms. Choose DotnetSpider if its feature set, stack or MIT licence fits better. Both are self-hostable.