head to head · open source
wiki vs nebula
wiki has 28,937 GitHub stars, 3,314 forks, 182 open issues and last shipped yesterday. nebula has 12,395 stars, 1,330 forks, 678 open issues and last shipped 10 days ago. wiki leads on adoption by 133% (28,937 vs 12,395 stars). wiki is written in Vue under AGPL-3.0; nebula is written in C++ under Apache-2.0. wiki has attracted 11% as many forks as stars, nebula 11%. wiki 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
| wiki | nebula | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 12K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Vue | C++ |
| Last push | 2026-09-17 | 2026-09-08 |
| Forks | ⑂ 3.3K | ⑂ 1.3K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick wiki if
- You weight community size — 29K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Vue
- You value the larger contributor base for long-term maintenance
pick nebula if
- You want the nebula feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C++
- You evaluated both and nebula fits your workflow better
About wiki
Wiki.js is a modern, lightweight wiki application built on NodeJS and distributed as open source under the AGPL 3.0 licence, aimed at teams and organisations that want to publish and maintain their own documentation and knowledge base rather than renting a hosted one.
About nebula
NebulaGraph is an open source, distributed graph database written in C++ and released under the Apache 2.0 license. It lives in the graph database ecosystem and appears in the CNCF Database Landscape. The project describes itself as symmetrically distributed, with storage and computing separated into distinct layers, horizontal scalability across nodes, strong data consistency enforced through the RAFT protocol, an OpenCypher compatible query language, role based access control, and a set of graph analytics algorithms. It has been developed for roughly eight years and carries 12,387 stars, 1,330 forks, and 678 op…
read the full nebula overview →
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Frequently asked questions
Is wiki or nebula more popular?
wiki has 28,937 GitHub stars and nebula has 12,395. wiki has the larger community by that measure.
Are wiki and nebula free?
Both are open source. wiki is licensed under AGPL-3.0 and nebula under Apache-2.0. Neither carries a licence fee.
What is the difference between wiki and nebula?
wiki is written in Vue and nebula in C++. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, wiki or nebula?
Choose wiki if you want the larger community (28,937 stars) or its AGPL-3.0 licence terms. Choose nebula if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.