The Indianpreneur 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.
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The Startup Journal publishes a catalog of startups and software that founders can still join.
The Tech Index publishes a catalog of startups and software that founders can still join.
The AI Warehouse is a catalog of AI products: you can list a tool there, and people browse what already exists.
Trendy Startups publishes a catalog of startups and software that founders can still join.
Webwide publishes a catalog of startups and software that founders can still join.
WhatIsAITools publishes a catalog of startups and software that founders can still join.
What's new on the net publishes a catalog of startups and software that founders can still join.
Apps 400 publishes a catalog of startups and software that founders can still join.
Altern AI is a catalog of AI products: you can list a tool there, and people browse what already exists.
Coindoo publishes a catalog of startups and software that founders can still join.
Collaborizm publishes a catalog of startups and software that founders can still join.
IndieHackerStacks publishes a catalog of startups and software that founders can still join.
PressFarm publishes a catalog of startups and software that founders can still join.
Similar Site Search publishes a catalog of startups and software that founders can still join.
TapScape publishes a catalog of startups and software that founders can still join.
TechBoard publishes a catalog of startups and software that founders can still join.
The Fascination publishes a catalog of startups and software that founders can still join.
The Tech Blog publishes a catalog of startups and software that founders can still join.
Your Stack publishes a catalog of startups and software that founders can still join.
BuildVoyage publishes a catalog of startups and software that founders can still join.
madewithbolt publishes a catalog of startups and software that founders can still join.
MarketingDB publishes a catalog of startups and software that founders can still join.
1000.tools 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.