Graph database for .NET

Question

I've been designing an application, based on .NET/Mono framework, which should make an heavy use of the shortest-path in a graph theories and I would like to use a native solution to traverse the nodes of the graph, instead of implementing surrogate solutions which would be hardly maintainable and would massively affect performances.

I've found an application which would be perfect for my scope: neo4j.

Unfortunately, this application is purely written in Java code and it's not portable to .NET, because of the massive differences between the two architectures.

Is anyone out there knows if is it there any port of neo4j or a similar solution for .NET?

What kind of "massive difference" have stopped you? I've ported many algorithms from Java to C#. Free tools exists which do great amount of mechanical work for this task. — BartoszKP, Sep 20 '13 at 12:48
You can easily host a neo4j database and access it using it's Cypher syntax in your code to query the database. Also there is a nice implementation for .NET which might have not been available at '09: http://www.neo4j.org/develop/dotnet Also compared to the JAVA version, the queries in .NET are simply beautiful <3 — Highmastdon, Dec 12 '13 at 00:13
nothing pleases me more than watching the SO trolls close a question and watch it receive plenty of upvotes, and lots of good answers and feedback :) — AaronHS, Apr 13 '16 at 01:02

score 7 · Answer 1 · answered Jun 23 '13 at 23:30

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I'm surprised no one has mentioned Fallen-8, which is like the "Neo4J" for the .NET platform (open source too).

answered Jun 23 '13 at 23:30

knocte

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As of December 2016, the project's latest commit is done in June 1, 2015, so we can say it's not maintained for now. – Joel Handwell Dec 13 '16 at 17:00

score 6 · Answer 2 · answered Jun 23 '13 at 16:21

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BrightstarDB from Codeplex. BrightstarDB is an open source, fast, embeddable, and scalable NoSQL database for the .NET platform with code-first data model generation.

answered Jun 23 '13 at 16:21

GMzo

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score 6 · Answer 3 · answered Jun 05 '10 at 09:23

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Since Neo4j started to get REST support things have evolved a bit, there's now two different .Net REST clients in the works:

answered Jun 05 '10 at 09:23

nawroth

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lubos hasko · Answer 4 · 2009-05-03T04:00:03.827

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There is db4o database engine.

edited May 03 '09 at 04:00

answered May 03 '09 at 01:36

lubos hasko

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unfortunately the size is unknown, since it's not a finite group, but it should be increased constantly: possibly the number of nodes could float to some millions and having such structure in memory would be having TB of RAM available, which we don't. – Antonello May 03 '09 at 01:41
what about db4o? it has also all properties of graph database. – lubos hasko May 03 '09 at 03:59
I'd be interested in the solution, but I haven't found any reference to the this functionality of db4o: can you point me out? – Antonello May 03 '09 at 11:37
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Well, db4o is object-oriented database so you can traverse the nodes (objects) by following references. It would work but it might not be very fast for huge amount of traversing as every node (object) has to be deserialized into memory before you can access it. I think neo4j is more scalable as it allows to spread workload on more machines. db4o doesn't. – lubos hasko May 03 '09 at 13:21

Pranav Shah · Accepted Answer · 2015-01-20T15:22:52.643

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Microsoft is also working on one - Trinity

Edit 1:
I just recently came across this repository. I haven't looked at the code or used it yet, but it has .NET interfaces for:

BluePrints
Rexster
Pipes

These utilities can be used to connect with multiple Graph Databases including neo4j and OrientDB. For more information also look at TinkerPop.

edited Jan 20 '15 at 15:22

answered Mar 30 '11 at 18:35

Pranav Shah

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All the projects mentioned are not developed for .NET and were even deleted from github. Trinity is Microsoft internal project as well. – Jeff Atwood May 29 '12 at 06:39
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downvoting because of Jeff's comment, if you read this, do it as well, as it's not a useful answer – knocte Sep 20 '13 at 10:52
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I am sorry the code on github does not exist anymore. It did when I initially posted in 2011. In the mean time look at [Sparksee](http://www.sparsity-technologies.com/). – Pranav Shah Feb 26 '14 at 23:03
@JeffAtwood: Any chance that we see Trinity "in the wild" (ie. outside of MS) in near time? – JensG Jan 17 '15 at 11:07
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the Trinity link now links to http://www.graphengine.io/ and mentions a VS extension. – AlignedDev Sep 14 '15 at 14:36

score 4 · Answer 6 · answered Nov 08 '12 at 13:41

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DEX high performance graph database has a dedicated .Net API so it may be of help to integrate it with your architecture. You can downlad it here

answered Nov 08 '12 at 13:41

damaris

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score 4 · Answer 7 · answered Aug 09 '15 at 00:17

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I'm surprised no one has mentioned QuickGraph, a very mature and feature packed graph library for NET. It has multiple graph representations and plenty of algorithms.

http://quickgraph.codeplex.com/

answered Aug 09 '15 at 00:17

robertfriberg

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Pere · Answer 8 · 2013-03-19T10:02:15.293

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Now you can download and test for free the DEX graph database with .NET API released on July 2011 by Sparsity Technologies, at:

http://www.sparsity-technologies.com/dex_downloads

and How to build your 1st graph database with .NET ? Explained at Dzone:

http://architects.dzone.com/articles/how-build-your-first-net-graph

Rgds

edited Mar 19 '13 at 10:02

answered Sep 06 '11 at 08:19

Pere

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score 3 · Answer 9 · answered Jun 03 '11 at 17:23

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Neo4Net on binpress may help.

this is not the same as Neo4Net on CodePlex suggested here by tester

answered Jun 03 '11 at 17:23

Lior Kogan

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The binpress Neo4Net is a dotnet wrapper around Neo4j – Chriseyre2000 Feb 13 '13 at 09:32

score 2 · Answer 10 · answered May 03 '09 at 07:49

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The only thing available right now are bindings for Clojure, JRuby, Jython and Python. However, probably the JRuby REST API to Neo4j, http://github.com/andreasronge/neo4j/tree/2840b4c3d58e0250fdc31b63b11ac941ea944ba6/test/rest, would be the best bet for now.

answered May 03 '09 at 07:49

Peter Neubauer

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There's now two different .Net REST clients [being developed](http://wiki.neo4j.org/content/Main_Page#Language_and_framework_bindings) for the [Neo4j REST server](http://wiki.neo4j.org/content/Getting_Started_REST). – nawroth Jul 06 '10 at 07:24

score 1 · Answer 11 · answered Oct 30 '13 at 13:47

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This is a fairly old question, but as I stumbled upon it I suppose others will too.

There is a client for .Net and Neo4j http://hg.readify.net/neo4jclient/wiki/Home

and an API for Cypher http://mtranter.com/2013/09/21/cypher-net-a-neo4j-cypher-api/

answered Oct 30 '13 at 13:47

tekiegirl

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both links are not valid anymore – Mariusz Jul 21 '22 at 06:04

score 1 · Answer 12 · answered Jun 04 '10 at 15:15

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Found this link on the Neo4j mailing list this morning (I think, I can't seem to find it again):

http://www.thewebsemantic.com/2010/06/03/neo4j-on-net-3-5/

It essentially let's you compile java to .net and then you can just reference the newly created assembly.

Haven't tried it yet but I am planning on it soon.

answered Jun 04 '10 at 15:15

Patrick Lee Scott

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As alternative you could use IKVM.NET to translate the Java-Bytecode to .NET – Gamlor Jul 20 '10 at 23:02

score 0 · Answer 13 · answered Jul 20 '10 at 22:57

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Neo4Net is also under development: http://neo4net.codeplex.com/

answered Jul 20 '10 at 22:57

tester

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score 0 · Answer 14 · answered Oct 30 '10 at 12:37

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The guys at http://www.webling.com are also working on a native .NET graph database to power their Web Apps. I don't think it's released publicly yet, but it looks like it's got momentum.

answered Oct 30 '10 at 12:37

dbadmin

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score 0 · Answer 15 · answered Mar 03 '11 at 21:32

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They have named it CloudGraph and it will be launched at http://www.cloudgraph.com.

answered Mar 03 '11 at 21:32

dbadmin

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looks like this one didn't make it (yet). The beta-release is currently scheduled for Q1 2012, so its a year and half slip currently – BozoJoe Jul 17 '13 at 00:03

score 0 · Answer 16 · answered Jul 20 '11 at 21:21

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Please, look at the new .net version of DEX in www.sparsity-technologies.com .

answered Jul 20 '11 at 21:21

Josep

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Graph database for .NET

16 Answers16

Linked