head to head · open source
JumpServer vs cas
JumpServer has 31,566 GitHub stars, 5,792 forks, 97 open issues and last shipped yesterday. cas has 11,366 stars, 3,959 forks, 17 open issues and last shipped yesterday. JumpServer leads on adoption by 178% (31,566 vs 11,366 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 | 2026-09-18 | 2026-09-18 |
| 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
JumpServer is an open source Privileged Access Management (PAM) platform built for DevOps and IT teams. It functions as a bastion host, enabling secure, on demand access to SSH, RDP, Kubernetes, databases, and RemoteApp endpoints via a web browser. The project lives in the Python/Django ecosystem and is licensed under GPL 3.0, with active community contributions and integrations.
read the full JumpServer overview →
About cas
Apereo CAS is the open source Java server that implements the Central Authentication Service protocol and serves as an enterprise identity provider and single sign on platform for the web, aimed at organizations that need one authentication and authorization layer across many applications.
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Frequently asked questions
Is JumpServer or cas more popular?
JumpServer has 31,566 GitHub stars and cas has 11,366. 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 (31,566 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.