Lite Feedback 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
Liveupx.com publishes a catalog of startups and software that founders can still join.
Makerlist.io publishes a catalog of startups and software that founders can still join.
Marketing Tools List publishes a catalog of startups and software that founders can still join.
Marvin publishes a catalog of startups and software that founders can still join.
Meta Explorer publishes a catalog of startups and software that founders can still join.
Modalcast publishes a catalog of startups and software that founders can still join.
Most Popular AI Tools is a catalog of AI products: you can list a tool there, and people browse what already exists.
NeonRev publishes a catalog of startups and software that founders can still join.
NextJet publishes a catalog of startups and software that founders can still join.
NextJSDirectory publishes a catalog of startups and software that founders can still join.
NoCode List publishes a catalog of startups and software that founders can still join.
Open SaaS Directory publishes a catalog of startups and software that founders can still join.
Outblog publishes a catalog of startups and software that founders can still join.
Picasso publishes a catalog of startups and software that founders can still join.
Pika publishes a catalog of startups and software that founders can still join.
Pirsch Analytics publishes a catalog of startups and software that founders can still join.
PoopUp publishes a catalog of startups and software that founders can still join.
Pulsetic publishes a catalog of startups and software that founders can still join.
QRCode.ing publishes a catalog of startups and software that founders can still join.
Quicklisting publishes a catalog of startups and software that founders can still join.
Rank on Bing publishes a catalog of startups and software that founders can still join.
Rapid Launch publishes a catalog of startups and software that founders can still join.
ReferralAPI 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.