排名前50的开源Web爬虫
| 项目名 | 开发语言 | 平台 |
| Heritrix | Java | Linux |
| Nutch | Java | Cross-platform |
| Scrapy | Python | Cross-platform |
| DataparkSearch | C++ | Cross-platform |
| GNU Wget | C | Linux |
| GRUB | C#, C, Python, Perl | Cross-platform |
| ht://Dig | C++ | Unix |
| HTTrack | C/C++ | Cross-platform |
| ICDL Crawler | C++ | Cross-platform |
| mnoGoSearch | C | Windows |
| Norconex HTTP Collector | Java | Cross-platform |
| Open Source Server | C/C++, Java PHP | Cross-platform |
| PHP-Crawler | PHP | Cross-platform |
| YaCy | Java | Cross-platform |
| WebSPHINX | Java | Cross-platform |
| WebLech | Java | Cross-platform |
| Arale | Java | Cross-platform |
| JSpider | Java | Cross-platform |
| HyperSpider | Java | Cross-platform |
| Arachnid | Java | Cross-platform |
| Spindle | Java | Cross-platform |
| Spider | Java | Cross-platform |
| LARM | Java | Cross-platform |
| Metis | Java | Cross-platform |
| SimpleSpider | Java | Cross-platform |
| Grunk | Java | Cross-platform |
| CAPEK | Java | Cross-platform |
| Aperture | Java | Cross-platform |
| Smart and Simple Web Crawler | Java | Cross-platform |
| Web Harvest | Java | Cross-platform |
| Aspseek | C++ | Linux |
| Bixo | Java | Cross-platform |
| crawler4j | Java | Cross-platform |
| Ebot | Erland | Linux |
| Hounder | Java | Cross-platform |
| Hyper Estraier | C/C++ | Cross-platform |
| OpenWebSpider | C#, PHP | Cross-platform |
| Pavuk | C | Lunix |
| Sphider | PHP | Cross-platform |
| Xapian | C++ | Cross-platform |
| Arachnode.net | C# | Windows |
| Crawwwler | C++ | Java |
| Distributed Web Crawler | C, Java, Python | Cross-platform |
| iCrawler | Java | Cross-platform |
| pycreep | Java | Cross-platform |
| Opese | C++ | Linux |
| Andjing | Java | |
| Ccrawler | C# | Windows |
| WebEater | Java | Cross-platform |
| JoBo | Java | Cross-platform |
