head to head · open source
JumpServer vs cas
JumpServer has 31,886 GitHub stars, 5,809 forks, 97 open issues and last shipped yesterday. cas has 11,394 stars, 3,955 forks, 17 open issues and last shipped yesterday. JumpServer leads on adoption by 180% (31,886 vs 11,394 stars). JumpServer is written in Python under GPL-3.0; cas is written in Java under Apache-2.0. JumpServer has attracted 18% as many forks as stars, cas 35%. JumpServer was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| JumpServer | cas | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 11K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Python | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 5.8K | ⑂ 4.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick JumpServer if
- You weight community size — 32K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick cas if
- You want the cas feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and cas fits your workflow better
About JumpServer
An open source PAM platform (Bastion Host) [![][license shield]][license link] [![][docs shield]][docs link] [![][deepwiki shield]][deepwiki link] [![][discord shield]][discord link] [![][docker shield]][docker link] [![][github release shield]][github release link] [![][github stars shield]][github stars link] English · 中文(简体) · 中文(繁體) · 日本語 · Português (Brasil) · Español · Русский · 한국어 What is JumpServer? JumpServer is an open source Privileged Access Management (PAM) platform that provides DevOps and IT teams with on demand and secure access to SSH, RDP, Kubernetes, Database and RemoteApp endpoints through a…
read the full JumpServer overview →
About cas
Central Authentication Service (CAS) [ ][casslack] [ ][cassupport] Introduction Welcome to the home of the [Central Authentication Service project][apereocas], more commonly referred to as CAS. CAS is an enterprise multilingual identity provider and single sign on solution for the web and attempts to be a comprehensive platform for your authentication and authorization needs. CAS is an open and well documented authentication protocol. The primary implementation of the protocol is an open source Java server component by the same name hosted here, with support for a plethora of additional authentication protocols…
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Frequently asked questions
Is JumpServer or cas more popular?
JumpServer has 31,886 GitHub stars and cas has 11,394. JumpServer has the larger community by that measure.
Are JumpServer and cas free?
Both are open source. JumpServer is licensed under GPL-3.0 and cas under Apache-2.0. Neither carries a licence fee.
What is the difference between JumpServer and cas?
JumpServer is written in Python and cas in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, JumpServer or cas?
Choose JumpServer if you want the larger community (31,886 stars) or its GPL-3.0 licence terms. Choose cas if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.