Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
Cyberduck is a libre FTP, SFTP, WebDAV, Amazon S3, Backblaze B2, Microsoft Azure & OneDrive and OpenStack Swift file transfer client for Mac and Windows.
This package is a sample kit of Client Side Web Parts built on the SharePoint Framework SPFx. You can find here different kind of high visual web parts as carousel, images galleries, animations, map, editors, etc.
SPServices is a jQuery library which abstracts SharePoint's Web Services and makes them easier to use. It also includes functions which use the various Web Service operations to provide more useful (and cool) capabilities. It works entirely client side and requires no server install.
SharepointPlus ($SP) is a JavaScript library which offers some extended features for SharePoint entirely on client side (requires no server install). $SP will simplify your interactions with Sharepoint.
The SharePoint Client Browser (SPCB) uses the CSOM to connect to a remote SharePoint site collection and shows the site structure with related properties and values.