| Name | Description | Type | Package | Framework |
| Balancer | Interface | net.yacy.crawler | Yacy | |
| Cache | Class | net.yacy.crawler.data | Yacy | |
| CrawlProfile | Class | net.yacy.crawler.data | Yacy | |
| CrawlQueues | Class | net.yacy.crawler.data | Yacy | |
| CrawlStacker | Class | net.yacy.crawler | Yacy | |
| CrawlSwitchboard | Class | net.yacy.crawler | Yacy | |
| FileLoader | Class | net.yacy.crawler.retrieval | Yacy | |
| FTPLoader | Class | net.yacy.crawler.retrieval | Yacy | |
| HarvestProcess | Class | net.yacy.crawler | Yacy | |
| HostBalancer | wrapper for single HostQueue queues; this is a collection of such queues. | Class | net.yacy.crawler | Yacy |
| HostQueue | Class | net.yacy.crawler | Yacy | |
| HTTPLoader | Class | net.yacy.crawler.retrieval | Yacy | |
| ImporterException | Class | net.yacy.crawler.retrieval | Yacy | |
| Latency | Class | net.yacy.crawler.data | Yacy | |
| Latency .Host | Class | net.yacy.crawler.data | Yacy | |
| LegacyBalancer | Class | net.yacy.crawler | Yacy | |
| LegacyBalancer .HostHandles | Class | net.yacy.crawler | Yacy | |
| NoticedURL | Class | net.yacy.crawler.data | Yacy | |
| NoticedURL .StackType | Class | net.yacy.crawler.data | Yacy | |
| Request | Class | net.yacy.crawler.retrieval | Yacy | |
| Response | Class | net.yacy.crawler.retrieval | Yacy | |
| ResultImages | Class | net.yacy.crawler.data | Yacy | |
| ResultImages .OriginEntry | Class | net.yacy.crawler.data | Yacy | |
| ResultURLs | Class | net.yacy.crawler.data | Yacy | |
| ResultURLs .EventOrigin | Class | net.yacy.crawler.data | Yacy | |
| ResultURLs .InitExecEntry | Class | net.yacy.crawler.data | Yacy | |
| RobotsTxt | Class | net.yacy.crawler.robots | Yacy | |
| RobotsTxt .CheckEntry | Class | net.yacy.crawler.robots | Yacy | |
| RobotsTxt .DomSync | Class | net.yacy.crawler.robots | Yacy | |
| RobotsTxtEntry | Class | net.yacy.crawler.robots | Yacy | |
| RobotsTxtParser | Class | net.yacy.crawler.robots | Yacy | |
| RSSLoader | Class | net.yacy.crawler.retrieval | Yacy | |
| SitemapImporter | Class | net.yacy.crawler.retrieval | Yacy | |
| SMBLoader | Class | net.yacy.crawler.retrieval | Yacy | |
| URLRewriterLibrary | Class | net.yacy.crawler.retrieval | Yacy | |