Gelbooru and Danbooru downloader
Check out BooruDownloader's releases page on github where you can download any release of BooruDownloader.
Once you start BooruDownloader, application window will appear.
Danbooru and gelbooru engines differ. If you want to download posts from websites that uses Danbooru engine, you will need to check the Danbooru site checkbox.
Keep original names checkbox makes your downloaded files named as they are named on the website. If you don't check it, your images will have their tags as their name.
Include rating in beginning of a filename checkbox adds a rating in the beginning of a filename. The rating can be either safe, questionable or NSFW depending on picture content.