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A maintained list of 1,854 legitimate backlink sites: directories, profile creation sites, guest posting sites, launch platforms, registries and marketplaces. 1,532 are free or have a free tier, 44 usually give a dofollow link, and 772 have an estimated DA of 70 or more. Every row shows authority, link type, cost and effort, and links straight to the submit page.
The table is wider than the screen — swipe it sideways for cost, effort and the preparation notes.
| # | Impact (sorted) | Site — sort by this | Est. DA — sort by this | Link | Domain | Type | Cost | Effort — sort by this | Priority | Status | What to prepare | Rules / caveat | Checked | Actions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 65 | REVIEWS.io | 75 | Sometimes dofollow | reviews.io | Review platforms | Free + paid tier | Quick | Medium | Needs checking | Claim your company page and invite real customers to leave reviews. | Incentivised or fake reviews are against policy. | Added 2026-11-01 | Open REVIEWS.io submit page (new tab)REVIEWS.io details |
| 2 | 46 | SoftwareReviews | 65 | Sometimes dofollow | softwarereviews.com | Review platforms | Free | Moderate | Later | Needs checking | Claim your vendor profile and invite verified users to review your software. | Reviews are vetted; vendors cannot edit or remove them. | Added 2026-11-01 | Open SoftwareReviews submit page (new tab)SoftwareReviews details |
| 3 | 46 | The Manifest | 65 | Sometimes dofollow | themanifest.com | Review platforms | Free | Moderate | Later | Needs checking | Service businesses can create a profile, which is shared with Clutch, and collect verified reviews. | Reviews are verified through interviews; only service providers fit. | Added 2026-11-01 | Open The Manifest submit page (new tab)The Manifest details |
| 4 | 46 | Visual Objects | 60 | Sometimes dofollow | visualobjects.com | Review platforms | Free | Moderate | Later | Needs checking | Creative and design agencies can create a profile and add portfolio items. | Shared with the Clutch network; reviews are verified. | Added 2026-11-01 | Open Visual Objects submit page (new tab)Visual Objects details |
| 5 | 45 | Agency Spotter | 55 | Sometimes dofollow | agencyspotter.com | Review platforms | Free + paid tier | Quick | Later | Needs checking | Claim or create an agency profile with services, case studies and website. | Profiles must represent real agencies. | Added 2026-11-01 | Open Agency Spotter submit page (new tab)Agency Spotter details |
| 6 | 43 | AppFutura | 55 | Sometimes dofollow | appfutura.com | Review platforms | Free + paid tier | Moderate | Later | Needs checking | App development firms can create a profile with portfolio and client reviews. | Premium tiers improve ranking; reviews are verified. | Added 2026-11-01 | Open AppFutura submit page (new tab)AppFutura details |
| 7 | 43 | Techreviewer | 50 | Sometimes dofollow | techreviewer.co | Review platforms | Free + paid tier | Moderate | Later | Needs checking | Create a company profile and gather verified client reviews for your dev or IT services. | Reviews are checked; paid plans boost visibility. | Added 2026-11-01 | Open Techreviewer submit page (new tab)Techreviewer details |
Four steps that work for a new site, a SaaS or a side project. No paid link packages, nothing that risks a penalty.
Before submitting anywhere, have a one-line description, a 150-word description, a square logo and two or three screenshots ready. Every form asks for some mix of these.
Start with the free, quick rows: profile creation sites and free directories. They are one form each and build the entity signals search engines use to understand who you are.
Then pick a handful of high DA and dofollow sites that fit your niche, and write proper guest posts or launch posts for them. Ten relevant links beat a hundred random ones.
Note where you submitted and when. Recheck after a month, update stale descriptions, and never pay for bulk link packages: they put the whole site at risk.
Behind the list
Every row here starts as a line in a sheet, gets normalised into one of 16 groups, scored for cost, effort and impact, and written up with the steps to actually submit. The floor below represents that pipeline.
Open the sheet viewAn illustration of the AltF Backlinks floor: opportunities sourced at the back, vetted for cost and effort by the engineering pod, written up for outreach by the design pod, then tracked to placement along a line.
One-shot launches where timing and preparation decide the outcome.
Publications that accept contributed articles. Slow and editorial, but the links are earned.
Fast-growing listings specifically for AI-powered tools.
Extension, plugin and integration stores. Real review processes, real distribution.
Startup listings, beta lists and founder media.
General tool and software catalogues with real search traffic.
B2B review sites. Slow to approve, strong once live.
Package, image and docs hosting that carries real authority.
Showcases judged on craft. A good screenshot matters more than copy.
Write once, link back. Editorial standards vary widely.
Get quoted or distribute a release. Slower, higher ceiling.
Company and local listings. Unglamorous, consistently indexed.
Owned pages you control: company, founder, knowledge-panel entities.
Answer real questions. Never drop a bare link.
Brand surface and referral traffic more than link equity.
Everything that does not fit the buckets above.