head to head · open source
zvec vs infinispan
zvec has 16,181 GitHub stars, 1,017 forks, 56 open issues and last shipped 2 days ago. infinispan has 1,359 stars, 657 forks, 336 open issues and last shipped 2 days ago. zvec leads on adoption by 1,091% (16,181 vs 1,359 stars). zvec is written in C++ under Apache-2.0; infinispan is written in Java under Apache-2.0. zvec has attracted 6% as many forks as stars, infinispan 48%. infinispan was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (search-engine, semantic-search), so they are genuine substitutes rather than adjacent tools.
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
| zvec | infinispan | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 1.4K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | C++ | Java |
| Last push | 2026-11-03 | 2026-11-03 |
| Forks | ⑂ 1.0K | ⑂ 657 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick zvec if
- You weight community size — 16K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick infinispan if
- You want the infinispan 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 infinispan fits your workflow better
About zvec
English 中文 🚀 Quickstart 🏠 Home 📚 Docs 📊 Benchmarks 🔎 DeepWiki 🎮 Discord 🐦 X (Twitter) Zvec is an open source, in process vector database — lightweight, lightning fast, and designed to embed directly into applications. Battle tested within Alibaba Group, it delivers production grade, low latency and scalable similarity search with minimal setup. [!Important] 🚀 v0.7.0 (August 24, 2026) zvec grep ( zg ) : Local first workspace search that unifies ripgrep, BM25, and vector search behind one CLI — built for humans and AI agents. ReMe integration : zvec is now a file store backend in ReMe, the memory…
About infinispan
⭐ If you use Infinispan, consider starring this repo, it helps the project grow and reach more developers! ⭐ Infinispan, In Memory Distributed Database Infinispan is an open source in memory database that offers flexible deployment options and robust capabilities for storing, managing, and processing data. Infinispan provides a key/value data store that can hold all types of data, from Java objects to plain text. Infinispan distributes your data across elastically scalable clusters to guarantee high availability and fault tolerance, whether you use Infinispan as a volatile cache or a persistent data store…
read the full infinispan overview →
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Frequently asked questions
Is zvec or infinispan more popular?
zvec has 16,181 GitHub stars and infinispan has 1,359. zvec has the larger community by that measure.
Are zvec and infinispan free?
Both are open source. zvec is licensed under Apache-2.0 and infinispan under Apache-2.0. Neither carries a licence fee.
What is the difference between zvec and infinispan?
zvec is written in C++ and infinispan 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, zvec or infinispan?
Choose zvec if you want the larger community (16,181 stars) or its Apache-2.0 licence terms. Choose infinispan if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.