Directory index · researched October 2026
Altern
altern.aiAltern is a directory for AI tools. We went through its submission pages in October 2026: what it costs, the link you get, who gets in and how to submit.
How much does Altern cost?
Listing on Altern is free, with paid options from $29.
No payment or backlink requirement is stated. The free listing includes a name, link, description, and categories, with standard human review, usually within a few days.
- Directory listing
- Standard review time
- Featured badge on listing
- Priority placement in category and list pages
- Inclusion in the next community newsletter
Extras they sell
- Featured Listing 49 USD
- Adds a featured badge, priority placement in category and list pages, and inclusion in the next community newsletter.
- Homepage featured spot / live leaderboard visibility
- The page says popular and paid listings can climb the live leaderboard or land a featured homepage spot; no separate price or guaranteed placement is stated.
Does Altern give a dofollow backlink?
Altern links to your site with a dofollow link, the kind Google may count toward your site's authority.
Its Ahrefs Domain Rating is 42.
Who gets into Altern, and how fast?
Altern picks only a few of the products submitted.
How many people see your product depends on votes.
Most submissions are reviewed by a human within a few days.
How much traffic does Altern get?
Similarweb ranks altern.ai #817,153 in the world by traffic.
What Altern says about its audience: No Altern audience or traffic total was found on the homepage or submit page. A search overlay states “2,584 AIs indexed” (catalog size). The inspected Activepieces listing shows “Monthly traffic 217,859,” which is a product metric, not Altern audience.
How do you submit to Altern?
You submit to Altern through a form, after creating an account. Sign-up options: GitHub and Google.
What the form asks for
- Easy mode (described on the submit page; form not reached): name (required status not observable)
- Easy mode (described on the submit page; form not reached): website (required status not observable)
- Full mode additions (described on the submit page; individual order and required status not observable): categories, genera, screenshots, structured data, alternative tools
Similar to Altern
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Official MCP Registry
Directory
registry.modelcontextprotocol.io
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Free | Everyone gets inEvery product that fits gets listed | Listing onlyA listing page, little promotion | DR 91Ahrefs Domain Rating: a 0–100 score based on the sites that link here. It doesn't measure traffic. | n/aTrafficNo data: Similarweb only ranks whole domains, not registry.modelcontextprotocol.io | DofollowThey link to your product with a dofollow link, which helps SEO | |
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Slashdot
Directory
slashdot.org
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Free | FeaturedShown to their audience: homepage, newsletter or social | DR 87Ahrefs Domain Rating: a 0–100 score based on the sites that link here. It doesn't measure traffic. | TrafficSimilarweb global rank #26,554 | NofollowThey link to your product, but nofollow | ||
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Startupfa.me
Directory
startupfa.me
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Freeor $19+Paid options from $19 | ReviewedSubmissions are reviewed first; most get in | FeaturedShown to their audience: homepage, newsletter or social | DR 85Ahrefs Domain Rating: a 0–100 score based on the sites that link here. It doesn't measure traffic.This DR may misleadFree listing requires a link back to them. Ahrefs counts those links in DR; Google treats required links as link spam and likely ignores them. So this DR may overstate how much Google values the site. | TrafficSimilarweb global rank #537,284 | DofollowThey link to your product with a dofollow link, which helps SEO | |
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twelve.tools
Directory
twelve.tools
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Freeor $25.20+Paid options from $25.20 | SelectiveOnly a few submissions are picked | FeaturedShown to their audience: homepage, newsletter or social | DR 84Ahrefs Domain Rating: a 0–100 score based on the sites that link here. It doesn't measure traffic.This DR may misleadFree listing requires a link back to them. Ahrefs counts those links in DR; Google treats required links as link spam and likely ignores them. So this DR may overstate how much Google values the site. | TrafficSimilarweb global rank #577,136 | DofollowThey link to your product with a dofollow link, which helps SEO | |
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Findly.tools
Directory
findly.tools
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Freeor $29+Paid options from $29 | SelectiveOnly a few submissions are picked | Listing onlyA listing page, little promotion | DR 82Ahrefs Domain Rating: a 0–100 score based on the sites that link here. It doesn't measure traffic.This DR may misleadFree listing requires a link back to them. Ahrefs counts those links in DR; Google treats required links as link spam and likely ignores them. So this DR may overstate how much Google values the site. | TrafficSimilarweb global rank #7,685,432 | DofollowThey link to your product with a dofollow link, which helps SEO | |
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Dodo Payments Index
Directory
index.dodopayments.com
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Free | ReviewedSubmissions are reviewed first; most get in | FeaturedShown to their audience: homepage, newsletter or social | DR 82Ahrefs Domain Rating: a 0–100 score based on the sites that link here. It doesn't measure traffic. | n/aTrafficNo data: Similarweb only ranks whole domains, not index.dodopayments.com | NofollowThey link to your product, but nofollow |
Researched 29 October 2026 from Altern's own pages. Prices and terms change, so check before you pay. Something out of date? Report a correction.