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Best SaaS directories: 102 software and B2B review sites

A ranked shortlist for SaaS: the software directories and B2B review sites to start with, why each one is here and what its free route needs.

A SaaS has two kinds of directories to think about. Software and tool directories list products by category and alternatives; they are where someone searching “X alternative” ends up. B2B review sites list vendors and collect reviews; they are where a buyer compares three shortlisted tools. The catalog tags them separately and holds 102 of them together, far more than one product needs in its first month.

The picks join both kinds on one page because a SaaS usually belongs on both. They are ranked by the rules below: the SaaSHub field guide first, then OMR Reviews, whose free profile was confirmed in a real submission, then the sites whose free route asks the least. Review sites with strict vendor requirements sit lower, not because they matter less, but because they need a real customer base and a company email before they list anyone.

How we pick and rank

This page is a shortlist, not the catalog. Every entry is chosen and ordered by the same four rules, and the labels on each pick show how it scored:

  1. Fit comes first. Platforms built for this product type rank above general platforms where it also gets found, and each pick says which of the two it is.
  2. Only platforms with a free or conditional-free route in the dated catalog snapshot, and only those with a public page on this site, so you can check every pick before you rely on it.
  3. Within the same fit, a dated field guide from a real submission ranks first, then the strongest evidence level (confirmed submission, signed-in form, public rules pages), then the fewest conditions on the free route.
  4. Nothing is ranked by domain rating, traffic or backlink promises, and no position is paid for. Link value is checked per product with the evidence method further down.

For this list, “built for this product type” means a software directory, an alternatives site or a B2B review site that lists SaaS products.

The picks

10 picks, ordered by the rules above. The catalog holds 102 platforms of this type; the rest ship in the repository with a playbook each.

  1. SaaSHub

    Software and tool directories

    Why it is here: Software alternatives marketplace with a no-account submit form; the field guide shows a listing that was public while still pending.

    SaaSHub is a software directory that pairs each listing with genuine competing products, asking for a website, tagline, category and contact email.

    • Built for this product type
    • Free route, no conditions
    • Checked on the public rules pages
    • checked September 23, 2026

    Official site ↗Field guide →

  2. OMR Reviews

    B2B software review sites

    Why it is here: German B2B software review site whose free basic profile was confirmed in a real submission, a strong start for DACH buyers.

    OMR Reviews, a B2B software review site, gathers listing suggestions through a form asking for contact details, an employee range, product name and company website.

    • Built for this product type
    • Free route, no conditions
    • Confirmed in a real submission
    • checked September 23, 2026

    Official site ↗Profile →

  3. AlternativeTo

    Software and tool directories

    Why it is here: Crowd-moderated alternatives site: a factual description and an honest list of the products you replace decide how people find you.

    AlternativeTo lets users browse and submit software alternatives, requesting a description, icon, supported platforms and licensing details for each product.

    • Built for this product type
    • Free route, no conditions
    • Checked on the public rules pages
    • checked September 24, 2026

    Official site ↗Profile →

  4. G2

    B2B software review sites

    Why it is here: B2B review platform with a free basic profile for business software, reached through a sign-in and an automated URL check.

    G2 runs a peer-review platform for business software, requiring vendors to sign in, verify the product URL and submit logo, screenshots and admin contact details.

    • Built for this product type
    • Free route with 2 conditions
    • Checked on the public rules pages
    • checked September 24, 2026

    Official site ↗Profile →

  5. SoftwareSuggest

    B2B software review sites

    Why it is here: Free vendor listing for packaged B2B software through a two-stage form; moderation is manual, so allow time before it appears.

    SoftwareSuggest is a two-stage vendor form covering contact details, company size, customer count, headquarters and category for businesses listing software.

    • Built for this product type
    • Free route with 3 conditions
    • Checked on the public rules pages
    • checked September 24, 2026

    Official site ↗Profile →

  6. Capterra

    B2B software review sites

    Why it is here: Buyer-facing B2B software directory; new vendor listings now start from the G2 add-product form, with Capterra as an option there.

    Capterra lists business software for buyers and pulls new vendor entries through the G2 Digital Markets portal, where companies submit a product name, website and business email.

    • Built for this product type
    • Free route with 4 conditions
    • Checked on the public rules pages
    • checked September 24, 2026

    Official site ↗Profile →

  7. SaaS Browser

    Software and tool directories

    Why it is here: A large searchable SaaS database: search for an existing record and claim it before you add a new one.

    SaaS Browser is a searchable database of SaaS products where members add a new entry or claim an existing record with core company facts.

    • Built for this product type
    • Free route with 4 conditions
    • Checked on the public rules pages
    • checked September 23, 2026

    Official site ↗Profile →

  8. SaaSworthy

    B2B software review sites

    Why it is here: SaaS-only discovery and review site; a free standard listing starts with an inquiry and ends with a detailed, manually reviewed profile.

    SaaSworthy asks vendors to complete a multi-tab software profile with logo, screenshots and pricing evidence, starting from an initial contact inquiry.

    • Built for this product type
    • Free route with 4 conditions
    • Checked on the public rules pages
    • checked September 23, 2026

    Official site ↗Profile →

  9. SourceForge

    B2B software review sites

    Why it is here: Request-based listing for business software: the SourceForge team creates the entry from your request, so send complete company facts.

    SourceForge hosts a software directory where a vendor request form collects a submitter name, company, website, software name, logo, description and category.

    • Built for this product type
    • Free route with 4 conditions
    • Checked on the public rules pages
    • checked September 24, 2026

    Official site ↗Profile →

  10. TrustRadius

    B2B software review sites

    Why it is here: The pick for established B2B products: vendors need a work email on the company domain and a real customer base.

    TrustRadius is a peer-review platform where vendors claim a company profile, verify by email and supply a company name, homepage and LinkedIn company URL.

    • Built for this product type
    • Free route with 5 conditions
    • Checked on the public rules pages
    • checked September 24, 2026

    Official site ↗Profile →

Catalog snapshot as of October 7, 2026; routes and conditions are rechecked in the session before anything is submitted.

How to use this list

Start with the alternative-style sites at the top: they reward an accurate list of real competitors, and their free queues are long, so submit them first. Then work down to the review sites, which reward a complete vendor profile and, later, genuine customer reviews you never fabricate. Several review sites share one vendor network and form, so keep the tracker open to avoid filing the same product twice. Small batches, recorded states, follow-ups in the next session.

What “free route” and “live” mean

On review sites the “free route” is usually a basic vendor profile, with upgrades sold hard; the agent declines them and records deferred_paid when the free form is gone. The labels on each pick show how many conditions the free route has in the snapshot, and the session rechecks them. “Live” means the public profile or listing page exists without an approval label; a profile only logged-in editors can see is not live.

Evidence before you submit

For SaaS directories the evidence question is usually not indexing, since most are indexed, but the link: many route the product link through a redirect or add rel hints on unverified profiles. Record the anchor, its href, its rel tokens and the final destination for three listings like yours, dated, before you count anything as a backlink. We publish none of those observations here because they are per product and per template.

Directory backlinks: what we can prove →

Other lists

Every pick above has a playbook

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