Prefundia publishes a catalog of startups and software that founders can still join.
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
SaaSpo publishes a catalog of startups and software that founders can still join.
Startup Buffer publishes a catalog of startups and software that founders can still join.
Inside publishes a catalog of startups and software that founders can still join.
Valuer is a catalog of AI products: you can list a tool there, and people browse what already exists.
Awesome Tools publishes a catalog of startups and software that founders can still join.
Micro SaaS Examples publishes a catalog of startups and software that founders can still join.
IndieHub publishes a catalog of startups and software that founders can still join.
Cuspera e27 publishes a catalog of startups and software that founders can still join.
Landing Folio publishes a catalog of startups and software that founders can still join.
Lets Venture publishes a catalog of startups and software that founders can still join.
Spoke publishes a catalog of startups and software that founders can still join.
Thing Testing publishes a catalog of startups and software that founders can still join.
Akita SaaS Directory publishes a catalog of startups and software that founders can still join.
Bulletin publishes a catalog of startups and software that founders can still join.
CTRL ALT publishes a catalog of startups and software that founders can still join.
Dev Pages publishes a catalog of startups and software that founders can still join.
SaaSBaba publishes a catalog of startups and software that founders can still join.
Web Tools Weekly publishes a catalog of startups and software that founders can still join.
AI Tool Details is a catalog of AI products: you can list a tool there, and people browse what already exists.
AI Navbar is a catalog of AI products: you can list a tool there, and people browse what already exists.
Expify is a catalog of AI products: you can list a tool there, and people browse what already exists.
Saaspa.ge publishes a catalog of startups and software that founders can still join.
SpotSaaS publishes a catalog of startups and software that founders can still join.
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.