
Best Open Source Identity Providers (CIAM and SSO) in 2026
A fair comparison of eight open source identity providers for single sign-on and customer login in 2026: Keycloak, Authgear, Authentik, Zitadel, Ory, Authelia, SuperTokens and Logto. Licences, protocols, passkeys, hosting and who each one suits.

Keycloak Pricing: What It Really Costs to Run Keycloak
Keycloak is free to download, but not free to run. A simple cost model you can fill in, an illustrative worked example, and how support, Red Hat build of Keycloak, third-party hosting and a vendor-run private cloud change the numbers.

Keycloak vs Auth0 (and Authgear): Which Should You Choose in 2026?
Keycloak or Auth0? A fair comparison of the open-source identity server and the hosted customer identity platform: licences, hosting, pricing, protocols, customisation, support and data sovereignty, with Authgear as a third option.

Keycloak vs Okta (and Authgear): Self-Hosted vs SaaS Identity
Keycloak or Okta? A fair comparison of the open-source identity server you run yourself and the SaaS identity platform: licences, hosting, pricing, workforce and customer identity, protocols, support and data sovereignty, with Authgear as a third option.

Keycloak vs Zitadel (and Authgear): Open Source Identity Compared
Keycloak and Zitadel are two of the strongest open source identity providers, but they differ on licence, architecture, multi-tenancy and hosting. Here is how they compare in 2026, and where Authgear fits as a third option.

Managed Keycloak vs a Private Cloud: What You Actually Get
The Keycloak project doesn't run a cloud service. Here is what you get from each route instead: running it yourself, a third-party Keycloak host, Red Hat build of Keycloak, or a vendor-run private cloud, compared on upgrades, support, region and exit.

Sovereign Cloud and the CLOUD Act: What They Mean for Login Data
What the US CLOUD Act lets US authorities request, what "sovereign cloud" really means, and the three ways to run your login system if you are in the UK or EU. With a checklist of questions for any auth vendor.

UK Data Sovereignty for Login and Identity Data (2026 Guide)
What UK data sovereignty means for your login system: where user data sits, who runs the system, and whose law applies, from UK GDPR and the Data (Use and Access) Act 2025 to the US CLOUD Act. With a checklist for choosing an auth provider.

2026 年最佳 Twilio 替代方案:SMS 與 OTP 轉換指南
團隊為什麼離開 Twilio、2026 年 SMS 與 OTP 的最佳 Twilio 替代方案(Telnyx、Plivo、Vonage、Sinch、Bird、AWS、Authgear),以及一份轉換時不會讓登入出問題的遷移檢查清單。

2026 最佳 OTP 服務供應商:定價全面比較
2026 年 8 月查證的 10 家 OTP 服務供應商定價:Twilio Verify、Vonage、Plivo、MSG91、Firebase 等。每次驗證實際要花多少錢、哪些需要詢價,以及該如何挑出最適合的一家。

Twilio Verify Pricing & Alternatives (2026)
Twilio Verify charges $0.05 per successful verification on top of channel fees. Here's what it really costs at scale in 2026, when it's worth paying for, and the best alternatives for cutting OTP costs.

WhatsApp API Pricing Explained (2026)
WhatsApp switched to per-message pricing in 2025. Here's how WhatsApp Business API pricing works in 2026 — by message category and country — and what it really costs to send authentication (OTP) messages.

驗證方案:現代應用完整指南
選對驗證方案是 App 最關鍵的技術決策之一。本指南涵蓋主要驗證類型、自建/採購框架,以及主流平台對照。

開源 WebAuthn 與 FIDO2 驗證:通行密鑰優先應用中的 Authgear、Keycloak 與 Hanko
比較主流開源 WebAuthn/FIDO2 方案,加速無密碼策略。評估 Authgear、Keycloak 等平台在安全與應用擴展性上的取捨。

金融與政府組織的自行託管 MFA:地端驗證,擺脫 SaaS 綁定
金融機關與政府單位需要可掌控資料的現代 MFA。自行託管 Authgear 可降低 SaaS 風險,兼顧安全、合規與基礎建設自主性。

什麼是 FIDO2?FIDO 驗證完整指南
FIDO2 是開放標準,讓使用者無需密碼即可登入。說明 FIDO2 是什麼、如何運作、與 FIDO U2F 的比較,以及通行密鑰如何建構於其上。

前線工作者驗證的 Auth0 替代方案
比較適合前線工作者的身分驗證平台,了解如何以手機優先、無密碼與現代 MFA 能力取代傳統以企業 email 為中心的方案。

最佳自託管 SSO 平台比較:Authgear vs Keycloak vs Authentik
比較 2026 年三大自託管 SSO 平台,了解 Authgear、Keycloak、Authentik 在功能、部署彈性與企業落地能力上的差異。

企業應用最佳開源 MFA 解決方案(2026)
比較 2026 年主流開源 MFA 平台,協助企業依合規、整合能力與部署策略選出最適合的方案。

CIAM 的稽核與合規:真正重要的日誌、事件與控制是什麼
了解哪些 CIAM 日誌、事件與安全控制最關鍵,才能支撐稽核與合規。學會如何設計可稽核就緒的 CIAM 系統。

從密碼到 Passkey:給既有使用者的分階段遷移計畫
了解如何以分階段方式,將既有使用者從密碼遷移到 passkey。掌握可規模化、兼顧安全與體驗的無密碼驗證最佳實務。

賦能無桌面勞動力:IT 與 HR 的 IAM 最佳實務
探索如何以 IAM 安全管理無桌面勞動力。了解 IT 與 HR 如何協作,在大規模下同時提升存取效率、安全與生產力。

大規模 IAM:大型前線團隊的成本效益型身分管理
了解如何為大型前線團隊實作具成本效益的 IAM,兼顧安全、效率與自動化。

2026 年頂尖開源 Ping Identity 替代方案:安全且可自託管的選項
探索 2026 年最佳開源 Ping Identity 替代方案。比較功能、部署模式、安全性與適用情境,選出最適合你團隊的身分平台。