--- title: "casdoor vs paig" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/casdoor-casdoor-vs-privacera-paig" tools: ["casdoor-casdoor", "privacera-paig"] --- # casdoor vs paig *GraphCanon updated Jul 15, 2026* ## Verdict Pick casdoor when casdoor is primarily Go; paig is CSS; pick paig when paig is primarily CSS; casdoor is Go. [casdoor](https://casdoor.ai) reports 14k GitHub stars, 1.7k forks, and 100 open issues, last pushed Jul 10, 2026. [paig](https://paig.ai) has 213 stars, 220 forks, and 57 open issues, last pushed Aug 5, 2025. Figures are from public GitHub metadata via [casdoor's repository](https://github.com/casdoor/casdoor) and [paig's repository](https://github.com/privacera/paig). | | [casdoor](/tools/casdoor-casdoor.md) | [paig](/tools/privacera-paig.md) | | --- | --- | --- | | Tagline | An open-source Agent-first Identity and Access Management (IAM) / LLM MCP & agent gateway and auth server | PAIG (Pronounced similar to paige or payj) is an open-source project designed to protect Generative AI (GenAI) applications by ensuring security, safety, and observability. | | Stars | 13,923 | 213 | | Forks | 1,734 | 220 | | Open issues | 100 | 57 | | Language | Go | CSS | | Adopt for | Casdoor is an open-source solution for identity and access management (IAM), with robust agent-first capabilities that integrate with various authentication protocols including OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuth | - | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | Apache-2.0 | | Categories | AI Agents, Evaluation & Observability | Evaluation & Observability | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [casdoor](/tools/casdoor-casdoor.md) | [paig](/tools/privacera-paig.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Slowing (36%) | | Days since push | 0d | 343d | | Open issues (now) | 100 | 57 | | Full report | [trust report](/tools/casdoor-casdoor/trust.md) | [trust report](/tools/privacera-paig/trust.md) | ## Decision facts: casdoor - **Adopt for:** Casdoor is an open-source solution for identity and access management (IAM), with robust agent-first capabilities that integrate with various authentication protocols including OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuth ## Choose when ### Choose casdoor if… - casdoor is primarily Go; paig is CSS. - Tags unique to casdoor: agent, agi, ai-gateway, auth. - Also covers AI Agents. - casdoor ships Docker support for self-hosted deployment. - When you require a comprehensive IAM tool that supports multiple authentication methods such as OAuth, OIDC, SAML, CAS, LDAP, and more. ### Choose paig if… - paig is primarily CSS; casdoor is Go. - Tags unique to paig: compliance, css, genai, guardrails. - Leaner open-issue backlog (57). ## When NOT to use casdoor - If your project requires proprietary technology exclusivity and cannot utilize open-source tools like Casdoor licensed under Apache-2.0. - When the depth of integration with specific authentication methods (e.g., some advanced SAML configurations) is critical, and you find that other competitors offer more specialized or better-detailed/ - +customizable versions of support for those methods. - If your environment strictly requires closed-source components for security reasons, thus Casdoor would not be a suitable choice due to its open nature. ## When NOT to use paig - Last GitHub push was 344 days ago (slowing maintenance, Aug 5, 2025). Validate activity before betting a new project on paig. - Evaluation & Observability: Defer heavyweight eval infra only until you have real traffic - never skip it once users depend on answers. ## Common questions ### What is the difference between casdoor and paig? casdoor: An open-source Agent-first Identity and Access Management (IAM) / LLM MCP & agent gateway and auth server. paig: PAIG (Pronounced similar to paige or payj) is an open-source project designed to protect Generative AI (GenAI) applications by ensuring security, safety, and observability.. See the comparison table for live GitHub stats and shared categories. ### When should I choose casdoor over paig? Choose casdoor over paig when casdoor is primarily Go; paig is CSS; Tags unique to casdoor: agent, agi, ai-gateway, auth; Also covers AI Agents; casdoor ships Docker support for self-hosted deployment; When you require a comprehensive IAM tool that supports multiple authentication methods such as OAuth, OIDC, SAML, CAS, LDAP, and more. ### When should I choose paig over casdoor? Choose paig over casdoor when paig is primarily CSS; casdoor is Go; Tags unique to paig: compliance, css, genai, guardrails; Leaner open-issue backlog (57). ### When should I avoid casdoor? If your project requires proprietary technology exclusivity and cannot utilize open-source tools like Casdoor licensed under Apache-2.0. When the depth of integration with specific authentication methods (e.g., some advanced SAML configurations) is critical, and you find that other competitors offer more specialized or better-detailed/ +customizable versions of support for those methods. If your environment strictly requires closed-source components for security reasons, thus Casdoor would not be a suitable choice due to its open nature. ### When should I avoid paig? Last GitHub push was 344 days ago (slowing maintenance, Aug 5, 2025). Validate activity before betting a new project on paig. Evaluation & Observability: Defer heavyweight eval infra only until you have real traffic - never skip it once users depend on answers. ### Is casdoor or paig more popular on GitHub? casdoor has more GitHub stars (13,923 vs 213). Stars measure visibility, not whether either tool fits your constraints. ### Are casdoor and paig open source? Yes - both are open-source projects on GitHub (casdoor: Apache-2.0, paig: Apache-2.0). ### Where can I find alternatives to casdoor or paig? GraphCanon lists graph-backed alternatives at [casdoor alternatives](/tools/casdoor-casdoor/alternatives) and [paig alternatives](/tools/privacera-paig/alternatives) ([casdoor markdown twin](/tools/casdoor-casdoor/alternatives.md), [paig markdown twin](/tools/privacera-paig/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/casdoor-casdoor-vs-privacera-paig.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, casdoor or paig? casdoor: Very active. paig: Slowing. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for casdoor and paig? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [casdoor trust report](/tools/casdoor-casdoor/trust); [paig trust report](/tools/privacera-paig/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=casdoor-casdoor`](/api/graphcanon/graph?tool=casdoor-casdoor) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_