150 Free Directories to Submit Your SaaS to for SEO and AI Indexing
Launching a SaaS product is one thing. Getting it discovered is another.
Paid ads work but they stop the moment you stop paying. Content marketing works but takes months to compound. Directory submissions are the often-overlooked third lever: free, permanent backlinks from high-authority domains that improve your SEO profile and get your product indexed by AI recommendation engines.
We compiled this list when launching IceCubes. Every directory on this list is free to submit to. We have organized them by impact tier so you can prioritize the ones that matter most.
How to Use This List
Tag your links. Add ?utm_source=directory-name&utm_medium=listing to every URL you submit. This lets you see which directories actually drive signups versus which ones are purely backlinks.
Start with Tier 1. These carry the most domain authority and buyer traffic. A listing on G2 or Capterra does more for credibility than fifty niche directories combined.
Write different descriptions for different audiences. Your Capterra listing should speak to SMB buyers evaluating software. Your Product Hunt listing should speak to early adopters who want to try something new. Your Hacker News post should lead with the technical architecture.
Do not submit everywhere on the same day. Spread submissions over 2 to 4 weeks. Search engines treat a sudden spike of backlinks from low-authority domains as suspicious.
Tier 1: High-Traffic, High-Authority Platforms
These carry the most SEO weight. Submit here first.
| # | Directory | Best For |
|---|---|---|
| 1 | Product Hunt | Launch buzz, early adopters |
| 2 | G2 | Enterprise buyer trust |
| 3 | Capterra | SMB software buyers |
| 4 | Trustpilot | Review credibility |
| 5 | SourceForge | Dev and tech audience |
| 6 | AlternativeTo | Comparison traffic |
| 7 | Futurepedia | AI-focused discovery |
| 8 | There's An AI For That | AI tool seekers |
| 9 | Crunchbase | Investor and press visibility |
| 10 | SaaSHub | SaaS comparison buyers |
Why these matter: G2, Capterra, and Trustpilot regularly appear on the first page of Google for "[category] software" queries. A listing with even a handful of reviews can drive qualified traffic for years.
Tier 2: AI-Specific Directories
If your product uses AI, these are your highest-intent audience. People browsing AI directories are actively looking for tools to adopt.
Tier 3: Launch and Startup Platforms
Built for early-stage visibility and launch momentum. Many have active communities of founders, early adopters, and angel investors.
| # | Directory | Notes |
|---|---|---|
| 71 | BetaList | Pre-launch signups |
| 72 | BetaPage | Beta tester reach |
| 73 | Startupbase | Founder visibility |
| 74 | Startup Stash | Curated startup tools |
| 75 | F6S | Accelerator network |
| 76 | Startup Buffer | Early stage launch |
| 77 | Launched | Launch announcements |
| 78 | PitchWall | Pitch and discovery |
| 79 | Cool Startups | Startup showcase |
| 80 | All Top Startups | Entrepreneur resources |
| 81 | Startup Lift | Feedback and exposure |
| 82 | Demos.co | Product demo showcase |
| 83 | BuildVoyage | Micro-SaaS community |
| 84 | IndieProducts.io | Indie makers |
| 85 | SideProjectors | Side project hub |
| 86 | PeerPush | Build-in-public |
| 87 | Startuplist.in | Backlinks for startups |
| 88 | Best of Web | Startup discovery |
| 89 | Hacker News (Show HN) | Dev and tech builders |
| 90 | Indie Hackers | Bootstrapped founders |
Tier 4: B2B SaaS Review and Comparison Sites
Where enterprise and SMB buyers go to validate purchasing decisions. Reviews on these sites directly influence buying behavior.
| # | Directory | Notes |
|---|---|---|
| 91 | GetApp | SMB buyers |
| 92 | Software Advice | Category comparison |
| 93 | TrustRadius | Verified B2B reviews |
| 94 | Crozdesk | Awards and rankings |
| 95 | SaaSworthy | SaaSworthy Score metric |
| 96 | SaaS Genius | Use-case discovery |
| 97 | Serchen | Long-tail SaaS search |
| 98 | GoodFirms | Top SaaS rankings |
| 99 | Clutch.co | B2B reviews |
| 100 | Software Suggest | Global software buyers |
| 101 | StackShare | Developer tool stacks |
| 102 | Techjury | Reviews and insights |
| 103 | GetLatka | Revenue transparency |
| 104 | Tracxn | Investor and analyst lens |
| 105 | SaaS Mag | Press and editorial |
| 106 | ConfettiSaaS | Curated discovery |
| 107 | PlatformsDirectory | Cross-platform tools |
| 108 | Software Select | Category comparisons |
| 109 | Open SaaS Directory | Open source SaaS |
| 110 | AppRadar | App marketing tools |
Tier 5: Developer and Technical Directories
Best for tools with API integrations, developer workflows, or technical audiences.
| # | Directory |
|---|---|
| 111 | AI For Developers |
| 112 | BuiltWith |
| 113 | MakerPad |
| 114 | NoCode List |
| 115 | Simple.ink |
| 116 | StackSocial |
| 117 | AppSumo |
| 118 | PitchGround |
| 119 | Dealify |
| 120 | Toolkitly |
Tier 6: Community and Niche Platforms
Smaller but highly targeted. Strong signal-to-noise ratio.
| # | Directory | Notes |
|---|---|---|
| 121 | Reddit r/SaaS | Community-driven |
| 122 | Reddit r/artificial | AI discussion |
| 123 | Reddit r/startups | Founder community |
| 124 | SaaSPromo | Targeted SaaS campaigns |
| 125 | Land-book | Landing page showcase |
| 126 | Techdirectory.io | Tech tool discovery |
| 127 | Startup Tools List | Curated startup tools |
| 128 | AI Tools Guide | General AI discovery |
Tier 7: International and Multilingual Directories
If your product supports multiple languages, list it in these non-English directories to capture international search traffic.
| # | Directory | Language |
|---|---|---|
| 129 | AI Sites Net | Chinese |
| 130 | JoinAI | Spanish and Portuguese |
| 131 | AI Tool Hub DE | German |
| 132 | Outils AI | French |
| 133 | Herramientas IA | Spanish |
| 134 | YPT AI | Japanese |
Tier 8: Additional AI Directories
| # | Directory | # | Directory |
|---|---|---|---|
| 135 | AI Tools Now | 143 | ToolDirectory.ai |
| 136 | Future AI Tools | 144 | AI New Tools |
| 137 | Gojiberry AI | 145 | AI Tool Tracker |
| 138 | AI Library | 146 | Awesome AI Tools (GitHub) |
| 139 | Top AI Tools | 147 | AI Tools HQ |
| 140 | Browse AI | 148 | Lead Wave AI |
Submission Strategy That Actually Works
Week 1: High-authority foundations
Submit to all 10 Tier 1 directories. These take the longest to process and carry the most weight. Write a unique description for each. G2 and Capterra listings should be polished and complete, with screenshots, feature lists, and pricing information.
Week 2: AI and startup directories
Work through Tiers 2 and 3. Most of these have simple submission forms. Batch them into groups of 10 to 15 per day. Use a spreadsheet to track which ones you have submitted to, when, and whether the listing is live.
Week 3: B2B review sites and developer directories
Submit to Tiers 4 and 5. These audiences are further down the purchase funnel. Your descriptions here should emphasize specific capabilities, integrations, and pricing.
Week 4: Community, international, and remaining directories
Complete Tiers 6 through 8. Post to Reddit communities with a genuine "Show HN" or "I built this" angle, not a marketing pitch. Community platforms penalize overt self-promotion.
Ongoing: Collect reviews
The single most impactful thing you can do after listing is collect authentic reviews on G2, Capterra, and TrustRadius. Five genuine reviews on G2 do more for conversion than listings on a hundred niche directories.
What We Learned Launching IceCubes
When we launched IceCubes, we submitted to most of the directories on this list. Here is what we found:
Tier 1 drove the most traffic. G2, Capterra, Product Hunt, and AlternativeTo consistently sent qualified visitors. These are not "set and forget" listings. Updating them with new screenshots, features, and reviews keeps them ranking.
AI directories drove the most curiosity. Traffic from Futurepedia, There's An AI For That, and Toolify was high-volume but lower-intent. Good for brand awareness and backlinks, less reliable for direct conversions.
Reddit drove the deepest engagement. A single well-written post on r/SaaS or r/startups generated more meaningful conversations than dozens of directory listings combined. But it requires genuine participation in the community, not drive-by posting.
UTM tagging was essential. Without UTM parameters, we would have attributed all directory traffic to "direct" or "organic" and had no idea which listings were worth maintaining.
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