Alternatives and competitors

Sites like G2

The 20 closest B2B software reviews alternatives to G2, ranked by what they actually offer, and the 14 technologies behind it.

Looking for an alternative to G2? The closest matches are G2A, Bazaarvoice and Slashdot. We match sites by what they actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Vote on each alternative and leave a short note to help the next person choose.

Neighbours
k = 20
Sites searched
4,032
Vector
384-d
Query
11 ms

01 · Entity

About G2

G2 g2.com

g2.com

Wikidata: American B2B software and services review platform and marketplace

Top 10K · #3,824 English 14 technologies Crawled Nov 6, 2026
Visit G2

Summary by Claude

G2 is a review site and marketplace where users compare business software and services through user-written reviews, ratings and category rankings. It also sells buyer-intent data and marketing products to software vendors.

Who it’s for
B2B software buyers and software vendors
Business model
Vendor subscriptions, advertising and buyer-intent data

02 · Embedding space

Competitor map

Each alternative by how close its vector is to G2’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

similarity × popularity

ZoomInfoSourceForgeeBaySemrushkakaku.comTripadvisorGoogleIndiaMARTSlashdotG2A

03 · Nearest neighbours

Alternatives to G2

Thumbs up if it’s a real alternative to G2, thumbs down if it isn’t.

Only in English

We can’t read g2.com’s homepage (HTTP 403), so it’s compared on what Wikidata and Wikipedia say about it.

  1. 01
    G2A g2a.com Top 10K

    digital marketplace for video game keys

  2. 02
    Bazaarvoice bazaarvoice.com Top 10K English

    Bazaarvoice | The UGC Platform for Authentic Shopper Experiences

    The leading UGC platform for authentic ratings, reviews, visual UGC, and review syndication that powers discovery, shopper trust, and higher ecommerce conversion.

  3. 03
    Slashdot slashdot.org Top 10K English

    Slashdot: News for nerds, stuff that matters, & software

    Slashdot: News for nerds, stuff that matters. Timely news source for technology related news and B2B software reviews & comparisons.

  4. 04
    IndiaMART indiamart.com Top 10K English

    IndiaMART - Indian Manufacturers Suppliers Exporters Directory, India Exporter Manufacturer

    IndiaMART.com is India's largest online marketplace that assists manufacturers, suppliers & exporters to trade with each other at a common, reliable & transparent platform. Largest free online business directory & yellow page with listing of 1,945,000 Indian & International companies. Find here quality products, trade leads, manufacturers, suppliers, exporters & international buyers.

  5. 05
    Google google.com Top 100 German

    Google

    search engine by Google LLC

  6. 06
    Tripadvisor tripadvisor.com Top 1K English

    tripadvisor.com

    American travel website company

  7. 07
    kakaku.com Top 10K Japanese

    価格.com - 「買ってよかった」をすべてのひとに。

    「買ってよかった!」と思えるお買い物は価格.comから! パソコンや家電から、ファッション、食品に至るまで、あらゆる製品・サービスを、販売価格やクチコミ情報、ランキングなどの視点から比較・検討できる、お買い物支援サイトです。

  8. 08
    Gmarket gmarket.co.kr Top 10K

    South Korean e-commerce website

  9. 09
    Semrush semrush.com Top 10K English

    Semrush: Your Unfair Advantage for Growing Brand Visibility

    Semrush is the leading platform to grow and measure brand visibility across AI search, SEO, PPC, social, and more.

  10. 10
    eBay ebay.co.uk Top 1K English

    Error Page | eBay

    American multinational internet corporation that manages eBay.com

  11. 11
    SourceForge sourceforge.net Top 1K English

    Compare B2B Software, Download, & Develop Open Source & Business Software - SourceForge

    SourceForge is the complete software discovery platform. SourceForge is the largest B2B software review and comparison site in the world, and features the largest business software directory, as well as free & fast open source software downloads and development.

  12. 12
    Product Hunt producthunt.com Top 10K English

    product discovery website

  13. 13
    Made-in-China.com made-in-china.com Top 10K English

    Made-in-China.com - Manufacturers, Suppliers & Products in China

    Source quality products Made in China. Find reliable China Suppliers, Manufacturers, Factories, Wholesalers & Exporters on the leading B2B e-commerce website Made-in-China.com.

  14. 14
    ZoomInfo zoominfo.com Top 10K English

    ZoomInfo: The #1 GTM Platform - Sales AI for Lead Generation

    ZoomInfo is the #1 GTM Platform: Marketing and sales AI plus the best B2B data. All-in-one lead generation, prospecting, market intelligence , and ABM software.

  15. 15
    BoardGameGeek boardgamegeek.com Top 10K English

    online database of board games, game designers and game publishers worldwide

  16. 16
    OLX olx.ro Top 10K

    ERROR: The request could not be satisfied

    online marketplace

  17. 17
    CarGurus cargurus.com Top 10K

    Automotive research and shopping website

  18. 18
    Upwork upwork.com Top 10K English

    American freelancing platform

  19. 19
    allrecipes.com Top 10K English

    Simple Page

    food focused online social networking service

  20. 20
    Canva canva.com Top 1K English

    Canva

    online graphic design platform

Ranked by score: the cosine similarity of each site’s vector to g2.com’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones G2 uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What G2 is built with, and what its closest competitors use, from its homepage’s code and its DNS records.

Built with

Security
CDN
Email hosting
DNS hosting
SaaS tools (verified in DNS)
  • Adobe TXT adobe-idp-site-verification=f1a112dc77b5050d8a230b642d15534fa8b2d4315…
  • Apple Business TXT apple-domain-verification=gJ02yBnAnRnMEbcr
  • Atlassian TXT atlassian-domain-verification=9abApD1suD8p9ynXkFVDFCHIBP7RUQcarp0AvbO…
  • DocuSign TXT docusign=e1889277-1bc8-403c-9911-617d9b61bf17
  • Google Search Console TXT google-site-verification=loF7cswBEAX-m23ZYOrDoBGYPo_TZglzQuBLsx6PvgY
  • Meta Business Suite TXT facebook-domain-verification=sgx17fnn1z1jkifx1ly8tvvc29x7x2
  • OpenAI TXT openai-domain-verification=dv-xNmr0G8IjMqSYqK4JzAv8Kag
  • Yandex Webmaster TXT yandex-verification: 44c36297936b9ed9
  • Zoom TXT ZOOM_verify_W4z4GLHoR2Cy7FfESD-nOQ

Stack changes

No changes yet. Each new crawl is compared with the last one, and what G2 adds or drops shows up here.

SimilarSiteSearch

Competitors by meaning, stacks from the source. Data from public homepages and DNS.

About our crawler