CategoryUpdated July 2026

Single Sign-On software — full catalog

Browse every single sign-on tool tracked on A2Key. Filter by price, rating and pricing model, or jump to our editorial Best Single Sign-On ranking →

Products tracked
19
Avg rating
4.5/5
Verified reviews
2,280+
Active deals
3
Editor's Picks

Top-rated Single Sign-On for 2026

Best Value
Auth0 logo
Auth0
4.5(500)

A highly extensible identity platform providing secure authentication and authorization for modern applications.

fromContact
Best for Teams
Okta logo
Okta
4.5(500)

A comprehensive cloud-based platform for securing workforce and customer digital identities.

fromContact
19 of 19 products
At a glance

Top Single Sign-On compared side-by-side

Ratings, pricing and reviews for the 5 highest-rated products in this category.

ProductRatingReviewsStarting priceAction
Cursor logo
Cursor
AI-first code editor
4.8
7,320ContactDetails
Auth0 logo
Auth0
A highly extensible identity platform providing secure authentication and authorization for modern applications.
4.5
500ContactDetails
Okta logo
Okta
A comprehensive cloud-based platform for securing workforce and customer digital identities.
4.5
500ContactDetails
Adobe Acrobat Sign logo
Adobe Acrobat Sign
Signatures in the Adobe stack
0.0
0ContactDetails
DocuSign logo
DocuSign
E-signature
0.0
0ContactDetails
Buyer's guide

How to choose the right Single Sign-On

A quick, opinionated framework for narrowing dozens of single sign-on options down to the one that fits your team, budget and roadmap.

1. Define your must-have features

Before comparing single sign-on products, list the two or three workflows you can't compromise on — integrations with your stack, team-size limits, security or compliance requirements. Every top pick below meets baseline needs, but only a couple will nail your specific use case.

2. Weigh sticker price vs. total cost

Advertised starting prices rarely tell the full story. Factor in per-seat scaling, add-ons, integration fees, and support tiers. Our price comparison surfaces the real out-the-door cost across merchants, plus historical trends so you can time the purchase.

3. Validate with real reviews

Filter reviews by company size and industry that match yours — a five-star single sign-on product for a solo creator may be the wrong fit for a 500-person org. We tag verified purchases and highlight recurring pros and cons across hundreds of reviews.

4. Shortlist alternatives before you buy

Every single sign-on product on A2Key ships with a curated alternatives list. Comparing two or three finalists side-by-side surfaces trade-offs — feature parity, pricing, support, roadmap velocity — that a single-product review can miss.

Frequently asked questions

Everything shoppers ask before buying Single Sign-On.

What is Single Sign-On?

Single Sign-On tools.. A2Key tracks 19+ single sign-on products with verified buyer reviews, live price comparison across trusted merchants, and hand-picked deals updated every hour.

How to choose the right single sign-on

  • Compare verified prices from 5+ trusted sellers before you buy.
  • Read real user reviews filtered for verified purchases and active accounts.
  • Check alternatives — we curate the closest competitors for every product.
  • Watch the price history chart to time your purchase around discounts.

Why buy single sign-on through A2Key

Every merchant in our directory is vetted for fraud risk, refund policy and SLA. Activate price alerts to be notified the moment Single Sign-On drops to your target price, or browse today's hand-picked deals for instant savings.