Neo4j's open-source version doesn't limit the size of database.
Edit:
Neo4j's open-source version is licensed under AGPLv3, so you can't use it with closed source software products; your first unsupported instance of Neo Basic Server is free of charge though, so if you neither need commercial support nor the full feature set you are good to go for a closed source project as well.
But, good news for you: OrientDB is a java embeddable, fast, transactional (ACID), scalable, lightweight graph-document database, also supports SQL. And it's licensed under Apache 2.0, so OrientDB is free for any use.
发布评论
评论（4）
Neo4j的开源版本不限制数据库的大小。
编辑：
Neo4j 的开源版本已获得 AGPLv3，因此不能与闭源软件产品一起使用；不过，您的第一个Neo Basic Server不受支持的实例是免费的，所以如果您既不需要商业支持，也不需要完整的功能集，您也可以选择闭源项目。
但是，对您来说有个好消息：OrientDB 是一个 Java 可嵌入、快速、事务性 (ACID)、可扩展、轻量级图-文档数据库，还支持SQL。它是在 Apache 2.0 下获得许可的，因此 OrientDB 可以免费供任何使用。
Neo4j's open-source version doesn't limit the size of database.
Edit:
Neo4j's open-source version is licensed under AGPLv3, so you can't use it with closed source software products; your first unsupported instance of Neo Basic Server is free of charge though, so if you neither need commercial support nor the full feature set you are good to go for a closed source project as well.
But, good news for you: OrientDB is a java embeddable, fast, transactional (ACID), scalable, lightweight graph-document database, also supports SQL. And it's licensed under Apache 2.0, so OrientDB is free for any use.
我还建议 OrientDB，但您可以在这里找到更多选择： http://en.wikipedia.org/wiki /Graph_database。
I would also suggest OrientDB, but you can find more choices here: http://en.wikipedia.org/wiki/Graph_database.
正如 Rustam 建议的那样，看看 OrientDB。它采用 Apache 2.0 许可，甚至他们提供的支持（如果您需要）价格也很合理。
另外，对于 C# 选项，请查看此存储库。我还没有查看代码或使用它，但它具有以下 .NET 接口：
这些实用程序可用于连接多个图形数据库，包括 neo4j 和 OrientDB。有关更多信息，请参阅 TikerPop。
As Rustam suggested look at OrientDB. It is under Apache 2.0 licensing and even the support they provide (if you want) is reasonably priced.
Also for the C# option look at this repository. I haven't looked at the code or used it yet, but it has .NET interfaces for:
These utilities can be used to connect with multiple Graph Databases including neo4j and OrientDB. For more information also look at TikerPop.
您还可以查看 Titan/CassandraEmbedded，其中包含 Titan 0.4.1 中的新内存缓存层。 http://thinkaurelius.com/2013/11/24/精品图数据与泰坦/
You can also look into Titan/CassandraEmbedded with the new in-memory cache layer in Titan 0.4.1. http://thinkaurelius.com/2013/11/24/boutique-graph-data-with-titan/