head to head · open source
changedetection.io vs abot
changedetection.io has 34,312 GitHub stars, 2,064 forks, 385 open issues and last shipped today. abot has 2,309 stars, 545 forks, 8 open issues and last shipped 2 months ago. changedetection.io leads on adoption by 1,386% (34,312 vs 2,309 stars). changedetection.io is written in Python under Apache-2.0; abot is written in C# under Apache-2.0. changedetection.io has attracted 6% as many forks as stars, abot 24%. 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 | abot | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 2.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | C# |
| Last push | 2026-09-18 | 2026-07-17 |
| Forks | ⑂ 2.1K | ⑂ 545 |
| 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 abot if
- You want the abot feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C#
- You evaluated both and abot 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 abot
Abot Please star this project!! C web crawler built for speed and flexibility. Abot is an open source C web crawler framework built for speed and flexibility. It takes care of the low level plumbing (multithreading, http requests, scheduling, link parsing, etc..). You just register for events to process the page data. You can also plugin your own implementations of core interfaces to take complete control over the crawl process. Abot Nuget package version = 2.0 targets Dotnet Standard 2.0 and Abot Nuget package version Quick Start Installing Abot Install Abot using Nuget Using Abot Abot Configuration Abot's Abot2…
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Frequently asked questions
Is changedetection.io or abot more popular?
changedetection.io has 34,312 GitHub stars and abot has 2,309. changedetection.io has the larger community by that measure.
Are changedetection.io and abot free?
Both are open source. changedetection.io is licensed under Apache-2.0 and abot under Apache-2.0. Neither carries a licence fee.
What is the difference between changedetection.io and abot?
changedetection.io is written in Python and abot 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 abot?
Choose changedetection.io if you want the larger community (34,312 stars) or its Apache-2.0 licence terms. Choose abot if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.