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IdentityServer VS VoidAuth

Compare IdentityServer VS VoidAuth and see what are their differences

IdentityServer

An open-source, standards-compliant, and flexible OpenID Connect and OAuth 2.x framework for ASP.NET Core

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
VA
VoidAuth

Single Sign-On for Your Self-Hosted Universe ๐Ÿˆโ€โฌ›๐Ÿ”’

Rating
0 reviews
Alternatives Is it good?
BusinessLOG SOC
A centralized log management and SIEM platform built for compliance, auditing, anomaly detection, and infrastructure visibility. sponsored

Which is more popular?

Based on our record, IdentityServer seems to be more popular. It has been mentioned 7 times since March 2021.

social mentions
7 vs 0
Identity Provider popularity
54% vs 46%
alternatives listed
50 vs 37

Base details

Website, pricing, platforms and company facts side by side.

IdentityServer
VA
VoidAuth
Website duendesoftware.com voidauth.app
Pricing
Open source
โ€”
Listed in
Identity Provider Identity And Access Management SSO Network & Admin +1
Identity And Access Management Identity Provider SSO Authentication +1

Features and specs

What each product offers, as listed by its team.

IdentityServer 6 features
VA
VoidAuth 5 features
  • Open Source Foundation
    IdentityServer is built on an open-source foundation. It has been widely used and developed by a community, ensuring transparency, reliability, and continuous improvements.
  • Comprehensive Protocol Support
    It supports industry standards such as OpenID Connect and OAuth 2.0, which are essential for authentication and authorization processes.
  • Customizability
    IdentityServer offers high levels of customizability, allowing developers to tailor authentication and authorization features to specific application needs.
  • Enterprise-Ready
    Designed to handle complex enterprise scenarios with robust performance and scalability options suitable for large-scale applications.
  • Strong Security Features
    Includes several security mechanisms to protect sensitive data, such as secure token storage and advanced encryption options.
  • Comprehensive Documentation
    Provides extensive documentation and resources, helping developers to implement and troubleshoot the server effectively in their systems.

Possible disadvantages

  • Licensing Cost
    Since its transition from IdentityServer4 to a non-OSS model under Duende Software, organizations need to purchase a license for commercial use, impacting budget-conscious projects.
  • Complexity
    Can be complex to set up and configure properly, especially for teams that are new to security protocols like OAuth and OpenID Connect.
  • Maintenance Overhead
    Requires ongoing maintenance and updates to ensure security and compatibility with evolving protocols, which can be resource-intensive.
  • Potential Overhead for Small Projects
    May be overkill for smaller projects or teams that do not require robust authentication systems, where simpler solutions might suffice.
  • Community vs. Commercial Transition
    The switch from a community-driven open-source project to a commercial product may alienate previous users who relied on its open-source nature.
  • Ease of Use
    VoidAuth offers a user-friendly interface that simplifies the authentication process for users, making it accessible even for those with limited technical expertise.
  • Security Features
    VoidAuth incorporates robust security measures, such as multi-factor authentication and encryption, to ensure sensitive data is well-protected.
  • Integration Capabilities
    VoidAuth provides easy integration with multiple platforms and services, allowing for seamless implementation into existing systems.
  • Customization Options
    The platform offers various customization options to tailor the authentication process to meet specific business needs.
  • Scalability
    VoidAuth is capable of supporting a growing number of users and increasing authentication demands as a business expands.

Possible disadvantages

  • Learning Curve
    While user-friendly, some advanced features may require time and training to fully understand and utilize effectively.
  • Cost
    The pricing model of VoidAuth may be expensive for small businesses or startups with limited budgets.
  • Dependency on Internet Connection
    As a cloud-based service, VoidAuth requires a stable internet connection, which could be a drawback in areas with unreliable connectivity.
  • Limited Offline Functionality
    The platform's offline functionality may be restricted, necessitating internet access for most features and operations.
  • Potential Integration Challenges
    Some users might experience difficulties integrating VoidAuth with highly customized or legacy systems.

Analysis

An editorial look at what each product does well and who it suits.

IdentityServer
VA
VoidAuth

No analysis of IdentityServer yet.

Overall verdict

  • VoidAuth appears to be a solid self-hosted authentication solution for those seeking to consolidate identity and access management, though as with any self-hosted tool, its value depends on your technical comfort and specific needs.

Why this product is good

  • Self-hosted authentication gives you full control over your identity data and reduces reliance on third-party providers
  • Consolidating login and access management can simplify securing multiple applications behind a single sign-on
  • Open or self-hostable auth solutions often integrate well with reverse proxies and homelab setups
  • Can improve security posture by centralizing authentication policies and reducing password sprawl

Recommended for

  • Homelab enthusiasts and self-hosters who want to secure their own services
  • Small teams or developers needing centralized single sign-on for internal apps
  • Privacy-conscious users who prefer to keep authentication data on their own infrastructure
  • Technically comfortable administrators willing to manage and maintain a self-hosted service

Videos

Walkthroughs and reviews on video.

IdentityServer 2 videos + Add
VA
VoidAuth 0 videos + Add

Federated Identity: An intro to OAuth2, Open Id Connect & Duende IdentityServer 5 | Anthony Nguyen

More videos

  • - There's an IdentityServer in my API project - Anders Abel

No VoidAuth videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0โ€“100% relative to the other.

Score bands 0โ€“20 21โ€“40 41โ€“50 51โ€“60 61โ€“100
IdentityServer
VA
VoidAuth
54% 54%
Identity Provider
46% 46%
50% 50%
Identity And Access Management
50% 50%
45% 45%
SSO
55% 55%
100% 100%
Network & Admin
0% 0%

User comments

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

IdentityServer no reviews yet
VA
VoidAuth no reviews yet

We have no reviews of VoidAuth yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

IdentityServer 7 mentions
VA
VoidAuth 0 mentions
  • Identity server 4
    Its deprecated in favor of Duende Identityserver which introduced a license model. Source: almost 3 years ago
  • How does cookie based authentication work?
    Tokens usually have a lifetime and they are separate from the user's authentication principals like username and password. Unless you are rolling your own form of token provider (not something that would be recommended) the token... Source: almost 4 years ago
  • ImageSharp leaving the .NET Foundation due to licensing change
    I think Duende (Identity Server) handled the situation pretty well. https://duendesoftware.com/products/identityserver > Standard License Pricing. - Source: Hacker News / almost 4 years ago

View more

Tracking VoidAuth since Jan 2026.

Alternatives to IdentityServer and VoidAuth

When comparing IdentityServer and VoidAuth, you can also consider the following products.

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