Communitywalk is a public directory that still takes your website URL.
Directories with a public submission form
These sites take a URL through a form rather than a public profile or a guest article.
1010 destinations
Couchsurfing is a classifieds board: you post an ad and include your website URL.
Course Net is a classifieds board: you post an ad and include your website URL.
Coursehorse is a classifieds board: you post an ad and include your website URL.
Craigslist is a classifieds board: you post an ad and include your website URL.
Cv Library is a classifieds board: you post an ad and include your website URL.
Cylex is a classifieds board: you post an ad and include your website URL.
Cylex is a public directory that still takes your website URL.
Daft is a classifieds board: you post an ad and include your website URL.
Dealnews is a classifieds board: you post an ad and include your website URL.
Decluttr is a classifieds board: you post an ad and include your website URL.
Depop is a classifieds board: you post an ad and include your website URL.
Designrush is a classifieds board: you post an ad and include your website URL.
Dice is a classifieds board: you post an ad and include your website URL.
Dnb is a public directory that still takes your website URL.
Domain is a classifieds board: you post an ad and include your website URL.
Donedeal is a classifieds board: you post an ad and include your website URL.
Ebay Kleinanzeigen is a classifieds board: you post an ad and include your website URL.
Ebay is a classifieds board: you post an ad and include your website URL.
Ebusinesspages is a public directory that still takes your website URL.
Ec21 is a classifieds board: you post an ad and include your website URL.
Edmunds is a classifieds board: you post an ad and include your website URL.
Educba is a classifieds board: you post an ad and include your website URL.
Etsy is a classifieds board: you post an ad and include your website URL.
When a submission form is the right door
A form is the usual path for product directories: you send a URL, a short description, and often a logo. Approval is not automatic, and the link can be dofollow or nofollow.